Hu,
Mu,
Rt,
Po,
Al,
Av,
Ba,
Bv,
Ca,
Ch,
ChHa,
Gp,
Ha,
In,
Pm,
Pm,
Rb,
SyHa,
ZeSpecies Glossary
Reactivity: Hu, Mu, Rt, Po, Al, Av, Ba, Bv, Ca, Ch, ChHa, Gp, Ha, In, Pm, Pm, Rb, SyHa, Ze
WB, Simple Western, ELISA, Flow, Func, ICC/IF, IHC, IP, PAGE, WB, ChIP, KD, KO
Applications: WB, Simple Western, ELISA, Flow, Func, ICC/IF, IHC, IP, PAGE, WB, ChIP, KD, KO
Host: Rabbit Polyclonal
Sample Size Available
Sizes: Sample Size Available
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - P53 mediates topotecan-induced autophagy through the activation of sestrin 2 & AMPK in colon cancer cells with wild-type p53.A. HCT116 & LS-174T cells were treated with various concentrations of TPT for 24 h. The levels of P53, sestrin2 & p-AMPK were analysed by immunoblotting. B. HCT116 cells were transfected with p53 or sestrin 2 siRNAs for 24 h, treated with or without 1 µg/mL TPT for an additional 24 h, & the indicated proteins were then analysed by immunoblotting. C. HCT116 cells were transfected with LKB1 or CaMKK beta siRNAs, treated with or without 1 µg/mL TPT for an additional 24 h, & the indicated proteins were detected by immunoblotting. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/23024792), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415334948.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Specific inhibitor SP600125 or siRNA directed JNK blocked ceramide-induced autophagy & up-regulation of LC3 expression. (A) SUNE1 cells were treated with 20 μM ceramide for 24 h in the absence or presence of SP600125 or JNK1/2 siRNA. Lysates were analyzed by immunoblotting. (B) Autophagosome formation was visualized using YFP-LC3 expressing & observed under a confocal microscope. Representative immunofluorescence pictures are shown at the original magnification × 1000. (C) The expression of LC3 mRNA was examined by RT-PCR analysis. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/21943220), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241535643.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Glutamine deprivation induces IL-8 secretion.(a) RT–PCR analysis of LC3, IL-8, CHOP & GADD34 in U2OS cells subjected to glutamine deprivation (−Q) or exposed to TPG (1 μM). (b) Immunoblot analysis of ER stress- & autophagy-related proteins in U2OS cells subjected to glutamine deprivation or TPG treatment. Samples are run in triplicate. (c) Cytokine array analysis of conditioned media from U2OS & A549 cells grown in the presence (+Q) or absence (−Q) of glutamine. (d) IL-8 enzyme-linked immunosorbent assay of conditioned media from U2OS & A549 cells grown in the presence (+Q) or absence (−Q) of glutamine. Error bars in all figures represent s.d. of three biological replicates. Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/ncomms5900), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415395934.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - NDs API improves ATO-based therapy in vivo. HepG2 tumor-bearing nude mice administered intravenously (i.v.) w/ NS (200 μL), NDs (5 mg kg−1), ATO (0.75 mg kg−1), ATO (1.5 mg kg−1), NDs–0.75 mg kg−1 ATO mixture,/NDs–1.5 mg kg−1 ATO mixture daily for 5 consecutive days every week, w/ 13-week cycles c Immunoblots of autophagy-related proteins LC3-II, p62 (left); semi-quantified analysis (n = 3) in tumor tissues from mice after treatment (right). GAPDH used as loading control. Normalized band densities shown below each band. Image collected & cropped by CiteAb from following publication (//pubmed.ncbi.nlm.nih.gov/30341298), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241539454.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - NDs API improves the ATO-based therapy in vivo. HepG2 tumor-bearing nude mice administered intravenously (i.v.) w/ NS (200 μL), NDs (5 mg kg−1), ATO (0.75 mg kg−1), ATO (1.5 mg kg−1), NDs–0.75 mg kg−1 ATO mixture,/NDs–1.5 mg kg−1 ATO mixture daily for 5 consecutive days every week, w/ 13-week cycles. g Immunostaining of LC3 & ATG13 in tumor tissues of NDs–1.5 mg kg−1 ATO-treated mice. Schematic showing (left) & imaging (right) indicate that LC3/Atg13 puncta in periphery & around the blood vessels inside the tumors. Scale bars: 20 μm. Error bars s.d. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/30341298), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415382444.jpg)
![Immunohistochemistry: LC3B Antibody - BSA Free [NB100-2220] - LC3, CRF, & HIF-1 alpha expression. (a) for each antibody the spatial distribution of immunohistochemical staining was the same in cases with spontaneous & induced labor. (b) The analysis of data from optical density values of Western blotting bands shows no differences of LC3-II & HIF-1 alpha expression between groups. On the contrary CRF is higher in spontaneous labor. LC3-II, HIF-1 alpha , & CRF are normalized onto alpha -tubulin. (c) No correlation between LC3-II & CRF expression was found. SP: spontaneous labor; PG: induction with prostaglandin; PO: induction with prostaglandin & oxytocin; OX: induction with oxytocin. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/23956998), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415392554.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - The time-dependent effects of melatonin on the LC3-II & Beclin 1 expression in U87MG (a, b) & A172 (c, d) cells. The cells were treated with 1 mM melatonin for 4, 12, 24 or 36 h. PBS was used as a negative control, & rapamycin (Rap 200 nM) served as a positive control. The levels of LC3-II & Beclin-1 expression were determined by a Western blot analysis. The protein bands for each regimen were quantified by densitometry, & their differences are presented in the graph. The values represent the mean ± S.E.M. for three separate determinations. Statistical significance * at P 10 puncta per cell from three independent experiments is depicted. Bars represent mean±s.d. from three independent experiments (>50 cells per experiment). The statistical significance (P value) was determined by a two-tailed, paired Student’s t-test. *P<0.05. (c) Immunoblot analysis of U2OS cells subjected to glutamine deprivation with or without 400 nM BafA1. Cells were pretreated with BafA1 for 1 h before & during exposure to glutamine-deficient medium. Autophagic activity was monitored by detection of p62 & LC3-II proteins. (d) U2OS mCherry-GFP-LC3 cells were cultured in the presence (+Q) or absence (−Q) of glutamine for 18 h. Red vesicles denote autolysosomes, whereas yellow vesicles represent autophagosomes. Bars indicate numbers of yellow vesicles (autophagosomes) or red vesicles (autolysosomes) per cell±s.d. (e) Images of U2OS mCherry-GFP-LC3 cells cultured for 18 h in the presence (+Q) or absence (−Q) of glutamine. Scale bar, 10 μm. (f) Phagophore formation in mCherry-ULK1. Scale bar, 10 μm. (g) mCherry-ATG5-expressing U2OS cells after 24 h in the presence (+Q) or absence (−Q) of glutamine. Scale bar, 10 μm. Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/ncomms5900), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241554193.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Glucocorticoids promote BCG survival in macrophages by inhibiting autophagy. (a) RAW264.7 cells were pretreated with dexamethasone (DEX) (1 μM) or vehicle control ethanol (mock) for 6 hr & then challenged with M. bovis BCG (MOI 5) or treated with the vehicle control DMSO or rapamycin (4 μM). LC3 level was detected with Western blot analysis. & GAPDH was used as the loading control. Full-length blots are presented in Supplementary Fig. 12. Data are representative of three independent experiments with similar results. (b,c) RAW264.7 cells were treated as described in (a), & viable bacilli were determined by CFU assays at 6 hpi (b). Survival rate was calculated compared with that of mock-treated cells (c). Data are shown as the mean ± SEM of three independent experiments. *p < 0.05. Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/s41598-017-01174-9), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415532059.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - CysC regulates AMPK activity during the induction of autophagy. (a) Immunoblotting analysis of autophagy regulators. N2a cells expressing SOD1 treated with or without CysC (1 μM) for 6 h. The lysates analyzed by immunoblotting using antibodies for phosphorylated AMPK (pAMPK), phosphorylated mTOR (pmTOR), phosphorylated PKCδ (pPKCδ), Myc & beta -actin. (b) Inactivation of AMPK by mutant SOD1 expression. Each relative pAMPK level normalized by beta -actin in (a) is quantified. *P<0.05, **P<0.01 versus mock. (c) Activation of AMPK by CysC treatment. Relative levels of pAMPK for CysC-treated samples normalized by that of PBS-treated control, which is shown as the broken line, in (a) quantified. *P<0.05 versus PBS-treated controls. (d) CysC induced autophagy through the AMPK activation. N2a cells treated with CysC (1 μM), CC (5 μM) or AICA-riboside (AICAR, 5 mM) for 12 h. The lysates analyzed by immunoblotting using antibodies against pAMPK, LC3 & Tubulin (left panel). Quantification of immunoblots was plotted (right panel). (e) The effect of pAMPK activation on neuroprotection by CysC. N2a cells expressing G85R SOD1 mutant treated with CysC (0.2 μM), CC (5 μM) or AICAR (5 mM). Cell viability was measured by the MTS assay. Data expressed as means±S.E.M. from 3 independent experiments. Each experiment was performed in triplicate. *P<0.01 compared to non-treated control, #P<0.01 compared to CysC-treated one. (f) Immunoblotting analysis of pAMPK in SOD1 transgenic mouse spinal cords. The spinal cord lysates from the transgenic mice at indicated ages analyzed for the levels of pAMPK, SOD1 & beta -actin (upper panel). Expression levels of pAMPK normalized by beta -actin (lower panel). All data expressed as means±S.E.M. from 3 independent experiments Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/cddis2014459), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415535189.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Vps34 inhibition blocks autophagy initiation & causes accumulation of ubiquitin-positive & p62-positive structures. a Representative confocal images of cortical neurons treated with vehicle, Bafilomycin A1 (BafA1) at 50 nM, VPS34IN1 at 3 µM or cotreated for 3 h. Arrows highlight LC3 & p62 structures. Right panel, bar graphs denote average object intensity, per cell (mean ± SEM, N = 49-60 cells, from three independent experiments). Scale bar, 10 µm. ***p < 0.001 in one-way ANOVA, Holm–Sidak’s multiple comparisons test. b Representative confocal images of cortical neurons treated as in a & immunostained for LAMP-1, LC3, & p62. Airyscan insets highlight position of LC3 & p62 structures relative to LAMP-1-positive membranes. Scale bar, 10 µm. c Representative confocal images of cultured cortical neurons treated with vehicle or VPS34IN1 at 3 µM for 24 h. Arrows highlight p62 & ubiquitin colocalization. Scale bar, 10 µm Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/s41467-017-02533-w), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415535128.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - ORP1L & VAP-A form cholesterol-dependent ER-AV contact sites(a) MelJuSo cells expressing GFP or GFP-tagged ORP1L mutants were fixed & stained for LC3 & Calnexin. Y477 & D478 in the FFAT motif were mutated to alanines (A) in the ORP1L ydaa mutant. Scale bar, 10 μm. Right: co-immunoprecipitation for ORP1L (mutants) with VAP-A. GFP-ORP1L mutants or GFP were isolated from lysates of HEK293T cells co-overexpressing HA-VAPA using GFP-Trap beads. Western blot filters were probed for isolated GFP-tagged proteins, the associated HA-VAP-A & the input HA-VAP-A, as indicated. (b) Cryo-immuno-EM on HeLa cells expressing HA-LC3 & GFP-ORP1L delta ORD, as detected by HA10 nm & GFP15 nm gold antibodies. Insets show ORP1L labelling in the membrane contact site between ER & autophagosome. The membranes of the ER are depicted in the bottom inset. Scale bar, 50 nm. (c) Three-colour super-resolution image of an autophagosomal vesicle labelled by LC3 (green), ORP1L (blue) & the ER protein VAP-A (red). Scale bar, 500 nm (d) MelJuSo cells cultured either in lipid depleted serum or control medium were fixed & stained for LC3 & ER marker Calnexin. Scale bar, 10 μm. Right panel: Manders coefficient for LC3 localization to the ER was calculated on at least 10 cells over three independent experiments. Bars indicate mean+s.d. Student's t-test statistical analysis (****P<0.0001). Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/27283760), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241554525.jpg)
![Immunohistochemistry: LC3B Antibody - BSA Free [NB100-2220] - OSI induces autophagy through upregulation of MCT1 in CRC cells.a Immunoblotting analysis of MCT1 expression in CRC cells treated with or without 5 μM OSI for 24 h. b Immunoblotting analysis of MCT1 & phosphorylated AMPK in tumor xenografts obtained from vehicle- or OSI-treated mice. (Each protein of interest from each group was electrophoretically transferred onto a PVDF membrane, incubated with indicated primary & secondary antibodies, & developed as a digital image.) c Immunohistochemical analysis of MCT1 expression in tumor xenografts. Scale bar, 50 μm. d Relative intensity of MCT1 staining in (c). e CRC cells were transfected with siScramble or siMCT1 for 24 h, followed by treatment with or without 5 μM OSI for another 24 h. The protein levels of LC3, phosphorylated AMPK, phosphorylated LKB1 & MCT1 were analyzed by immunoblotting. f CRC cells were treated as in (e), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. g The number of LC3 puncta in (f). h CRC cells were transfected with empty vector or Flag-MCT1 plasmid for 48 h, the protein levels of MCT1 & phosphorylated AMPK were analyzed by immunoblotting. i CRC cells were treated as in (h), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. j The number of LC3 puncta in (i). k Immunoblotting analysis of LC3, MCT1 & phosphorylated AMPK levels in CRC cells co-transfected with Flag-MCT1 & DN-AMPK plasmids for 48 h. l CRC cells were treated as in (k), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. m The number of LC3 puncta per cell in (l). Data are presented as mean SEM, Student’s t-test, & are representative of three independent experiments. *P < 0.05; ***P < 0.001 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31409796), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415532016.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Abrogation of autophagy by siRNAs targeting autophagy-related genes in gastric cancer cells induced tumor-intrinsic PD-L1 expression. a Inhibition of autophagy by knockdown of ATG5 in AGS & NCI-n87 gastric cancer cells induced the expression of PD-L1 in the presence & absence of INF-gamma (200 U/mL) as shown by flow cytometry analysis at 48 h post-transfection. b The induction of PD-L1 was confirmed by Western blots at 72 h post-transfection. The knockdown efficacies of ATG5 & ATG7 siRNA were verified. The conversion of LC3B-I to LC3B-II was reduced. Results were averaged & blots were representative of 4 independent experiments. The ratio of PD-L1 MFI minus isotype control was shown as mean ± S.D. relative to Ctrl from 4 independent experiments, *p < 0.05 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/30925913), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241682127.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - OSI induces autophagy through upregulation of MCT1 in CRC cells.a Immunoblotting analysis of MCT1 expression in CRC cells treated with or without 5 μM OSI for 24 h. b Immunoblotting analysis of MCT1 & phosphorylated AMPK in tumor xenografts obtained from vehicle- or OSI-treated mice. (Each protein of interest from each group was electrophoretically transferred onto a PVDF membrane, incubated with indicated primary & secondary antibodies, & developed as a digital image.) c Immunohistochemical analysis of MCT1 expression in tumor xenografts. Scale bar, 50 μm. d Relative intensity of MCT1 staining in (c). e CRC cells were transfected with siScramble or siMCT1 for 24 h, followed by treatment with or without 5 μM OSI for another 24 h. The protein levels of LC3, phosphorylated AMPK, phosphorylated LKB1 & MCT1 were analyzed by immunoblotting. f CRC cells were treated as in (e), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. g The number of LC3 puncta in (f). h CRC cells were transfected with empty vector or Flag-MCT1 plasmid for 48 h, the protein levels of MCT1 & phosphorylated AMPK were analyzed by immunoblotting. i CRC cells were treated as in (h), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. j The number of LC3 puncta in (i). k Immunoblotting analysis of LC3, MCT1 & phosphorylated AMPK levels in CRC cells co-transfected with Flag-MCT1 & DN-AMPK plasmids for 48 h. l CRC cells were treated as in (k), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. m The number of LC3 puncta per cell in (l). Data are presented as mean SEM, Student’s t-test, & are representative of three independent experiments. *P < 0.05; ***P < 0.001 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31409796), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415541982.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Screening of potent NAPIs in HepG2. a Immunoblots for autophagy-related proteins LC3-II, p62 (left); semi-quantified analysis (n = 3) in various nanoparticles treated cells (right). CQ & Rapamycin (Rapa) were used as positive controls for autophagy inhibition & autophagy activation, respectively. Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) was used as the loading control. Normalized band densities were shown below each band. b Fluorescence images of mCherry-GFP-LC3 cells after incubation with CQ or NDs for 48 h (autophagosomes: mCherry+/GFP+ yellow puncta; autolysosomes: mCherry+/GFP) & quantification of the number of LC3 puncta per cell in cells (10 cells per group). Scale bar: 10 μm. c Immunoblots for autophagy-related proteins LC3-II, p62 (left); semi-quantified analysis (n = 3) in CQ, NDs, or CQ–NDs-treated cells (right). &P < 0.05, significantly different from NDs. GAPDH was used as the loading control. Normalized band densities were shown below each band. d Left: Cell viability after incubation with ATO or various NAPIs–ATO mixture for 48 h (n = 3). ##P < 0.01 by t-test, significantly different from ATO. Right: Cell viability after 48 h NDs–ATO treatment with RNAi of autophagy proteins ATG5 & ATG7 (n = 3). e, f Immunoblots for autophagy-related protein LC3-II & autolysosomal process-related protein NUPR1, SNAP25, VAMP8 in NDs-treated cells. g Immunoblots for autolysosomal process-related protein NUPR1 after NDs treatment with RNAi of autophagy proteins ATG5 & ATG7. GAPDH was used as the loading control. Error bars are s.d. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/30341298), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415532088.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Screening of potent NAPIs in HepG2. a Immunoblots for autophagy-related proteins LC3-II, p62 (left); semi-quantified analysis (n = 3) in various nanoparticles treated cells (right). CQ & Rapamycin (Rapa) were used as positive controls for autophagy inhibition & autophagy activation, respectively. Glyceraldehyde 3-phosphate dehydrogenase (GAPDH) was used as the loading control. Normalized band densities were shown below each band. b Fluorescence images of mCherry-GFP-LC3 cells after incubation with CQ or NDs for 48 h (autophagosomes: mCherry+/GFP+ yellow puncta; autolysosomes: mCherry+/GFP) & quantification of the number of LC3 puncta per cell in cells (10 cells per group). Scale bar: 10 μm. c Immunoblots for autophagy-related proteins LC3-II, p62 (left); semi-quantified analysis (n = 3) in CQ, NDs, or CQ–NDs-treated cells (right). &P < 0.05, significantly different from NDs. GAPDH was used as the loading control. Normalized band densities were shown below each band. d Left: Cell viability after incubation with ATO or various NAPIs–ATO mixture for 48 h (n = 3). ##P < 0.01 by t-test, significantly different from ATO. Right: Cell viability after 48 h NDs–ATO treatment with RNAi of autophagy proteins ATG5 & ATG7 (n = 3). e, f Immunoblots for autophagy-related protein LC3-II & autolysosomal process-related protein NUPR1, SNAP25, VAMP8 in NDs-treated cells. g Immunoblots for autolysosomal process-related protein NUPR1 after NDs treatment with RNAi of autophagy proteins ATG5 & ATG7. GAPDH was used as the loading control. Error bars are s.d. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/30341298), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415523913.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - OSI induces autophagy in CRC cells in vitro & in vivo.a Immunoblotting analysis of LC3, Atg5, & p62/SQSTM1 expression in CRC cells treated with indicated concentrations of OSI for 24 h. b The formation of endogenous LC3 puncta in cells treated with DMSO or 5 μM OSI for 24 h. c Total number of endogenous LC3 puncta per cell in (b). d, e LC3 expression in xenograft tissues was examined by IHC. Representative images were provided as indicated in (d) & relative intensity of LC3 staining was quantified in (e). f Immunoblotting analysis of LC3 & p62/SQSTM1 expression in tumor xenografts (Each protein of interest from each group was electrophoretically transferred onto a PVDF membrane, incubated with indicated primary & secondary antibodies, & developed as a digital image.) g Relative intensity of LC3 in (f). h Co-immunoprecipitation analysis of the interaction between Beclin 1 & Bcl-2 in CRC cells treated with or without 5 μM OSI for 24 h. i Immunoblotting analysis of LC3 expression in CRC cells treated with or without 5 μM OSI in the presence or absence of 5 mM 3-MA for 24 h. j CRC cells were treated as in (i), the LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. k, l Immunoblotting analysis of LC3 expression in CRC cells transfected with siScramble, siATG5 (k), or siBECN1 (l) for 24 h, followed by treatment with or without 5 μM OSI for another 24 h. m CRC cells were treated as in (k, l). The LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. Data are presented as mean SEM, Student’s t-test, & are representative of 3 independent experiments. **P < 0.01; ***P < 0.001 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31409796), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415523911.jpg)
![Immunohistochemistry: LC3B Antibody - BSA Free [NB100-2220] - OSI induces autophagy in CRC cells in vitro & in vivo.a Immunoblotting analysis of LC3, Atg5, & p62/SQSTM1 expression in CRC cells treated with indicated concentrations of OSI for 24 h. b The formation of endogenous LC3 puncta in cells treated with DMSO or 5 μM OSI for 24 h. c Total number of endogenous LC3 puncta per cell in (b). d, e LC3 expression in xenograft tissues was examined by IHC. Representative images were provided as indicated in (d) & relative intensity of LC3 staining was quantified in (e). f Immunoblotting analysis of LC3 & p62/SQSTM1 expression in tumor xenografts (Each protein of interest from each group was electrophoretically transferred onto a PVDF membrane, incubated with indicated primary & secondary antibodies, & developed as a digital image.) g Relative intensity of LC3 in (f). h Co-immunoprecipitation analysis of the interaction between Beclin 1 & Bcl-2 in CRC cells treated with or without 5 μM OSI for 24 h. i Immunoblotting analysis of LC3 expression in CRC cells treated with or without 5 μM OSI in the presence or absence of 5 mM 3-MA for 24 h. j CRC cells were treated as in (i), the LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. k, l Immunoblotting analysis of LC3 expression in CRC cells transfected with siScramble, siATG5 (k), or siBECN1 (l) for 24 h, followed by treatment with or without 5 μM OSI for another 24 h. m CRC cells were treated as in (k, l). The LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. Data are presented as mean SEM, Student’s t-test, & are representative of 3 independent experiments. **P < 0.01; ***P < 0.001 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31409796), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241553713.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Growth retardation & shortened lifespan of the mice with deletion of an autophagy-essential gene Atg7 in hematopoietic system. (A) Three genotypes for wild-type, heterozygote, & homozygote for Atg 7 deletion in hematopoietic system with representative images of the mice. The images were taken at age of 10 weeks. (B) PCR Genotyping analysis of the offsprings from Atg7f/f mice crossing Vav-iCre mice to screen Atg7f/f;Vav-iCre mice. The sequences for the primers used in PCR are given in the method section, & their PCR amplified bands representing specific genotypes were indicated in the agarose gel electrophoresis films. (C) Examination of Atg7 expression in wild-type & the Atg7-deleted mice. Upper panel, quantitative PCR analysis of Atg7 transcription normalized to Gapdh transcript in different organs; lower panel, western blotting analysis of autophagy-essential protein ATG7 & lipidation of LC3 in different organs. GAPDH used as a loading control. (D) Growth comparison between wild-type & Atg7-deleted mice. Wild-type mice progressively gain weight before age of 60 weeks (left panel), but Atg7-deleted mice cease weight gain at about age of 6 weeks (right panel). (E) Measurement of lifespan of wild-type & Atg7-deleted mice. (F) Immunohistological examination of heart, liver, lung & thymus from 10 weeks old wild-type & Atg7-deleted mice by HE staining. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31327762), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415535185.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Overexpression of wild-type MAGEA6, but not mutant MAGEA6, suppresses autophagy in PDAC cell lines.(A) Immunoblot analysis of autophagy signaling in HPDE-iKRAS cells expressing GFP (Vec) & MAGEA6 variants. (B) Immunofluorescence staining of LC3B puncta in the transduced HPDE-iKRAS cells. Representative photos (left) & statistical analysis (mean ± standard deviation of counted cells, N=~100 per cohort) are shown. *p=0.002; two-tailed unpaired t-test. (C) Immunoblot analysis of autophagy substrate SQSTM1/p62 in the transduced HPDE-iKRAS cells treated with BafA1 for the indicated time points., Immunoblot analysis of (D) autophagy signaling & (E) SQSTM1/p62 accumulation in wild-type MAGEA6 expressing & (F) autophagy signaling in MAGEA6H305fs* expressing HPDE-iKRAS cells under nutrient-deficient conditions. (G) Immunoblot analysis of autophagy signaling in wild-type MAGEA6 expressing cells under prolonged nutrient-deficient conditions.Immunoblot analysis of autophagy signaling of transduced AsPC-1 & MIA PaCa-2.Immunoblot analysis of the accumulation of autophagy substrate SQSTM/p62 in the transduced HPDE-iKRAS cells under BafA1 for the indicated time points.Immunoblot analysis of autophagy activity in transduced HPDE-iKRAS cells under nutrient-depleted conditions as indicated. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32270762), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415535165.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Inhibition of LRRK2 alters the autophagy/lysosomal pathway in H4 neuroglioma cells. A) LC3-II levels increase upon LRRK2-in1 inhibitor treatment (1 μM, overnight treatment; quantification from 3 independent replicates, the plot shows mean & SD, * indicates significance (p < 0.05)). B) Dose dependent increase in LC3-II upon overnight treatment with LRRK2-in1. C) MTT assay showing no alteration of cell viability upon over night treatment with LRRK2-in1 from 1 to 5 μM. A small toxic effect appeared with the higher dose (10 μM). The plot shows mean & SD, * indicates significance (p < 0.05). D) LRRK2 knockdown cells display reduced response to LRRK2-in1. LRRK2 protein levels are decreased in shRNA stable line compared to wild type cells (right panel), & knockdown of LRRK2 reduces response to 1 μM LRRK2-in1 treatment compared to wild type or scrambled shRNA cells (left panel). E) Western blot analysis of H4 cells treated with DMSO & LRRK2-in1 (5 μM, 2.5 hours treatment) in the presence & absence of 40 nM bafilomycin added at the same time as the inhibitor. Quantification of three replicates is shown in the right hand panel, the plot shows mean & SD, * indicates significance (p < 0.05). F) LRRK2-in1 increases LC3-II levels independent of mTORC1 activity. P70S6K & phoshoThr389-P70S6K; S6 & phosphoSer235/236-S6 levels are shown in control, starvation & amino-acid stimulated conditions. LRRK2-in1 (1 μM over night) treatment does not alter phosphorylation of P70S6K & S6 in conditions that show increased levels of LC3-II. G) Neutral red staining. The plot shows mean & SEM. * indicates significance (p < 0.05). Image collected & cropped by CiteAb from the following publication (//linkinghub.elsevier.com/retrieve/pii/S0167488913002954), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241553728.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - SQSTM1 recruited ARHGAP5-AS1 for autophagic degradation.a ARHGAP5-AS1 expression in resistant cells after transfecting siNC or SQSTM1 siRNAs was assessed using qRT-PCR. **p < 0.01. b ARHGAP5-AS1 expression in sensitive cells after SQSTM1 overexpression was detected by qRT-PCR. c The interaction of ARHGAP5-AS1 with SQSTM1 in SGC-R cells was analyzed by RIP assay followed with qRT-PCR. IgG was served as the negative control. d RNA pull down assay was performed to verify the binding of SQSTM1 to ARHGAP5-AS1 in SGC7901 or SGC-R cells. beta -actin was served as negative control. NC: no probe. The interaction of ARHGAP5-AS1 with SQSTM1 in SGC-R cells before & after EBSS treatment (4 h) were analyzed using RIP assay (e) & RNA pull down assay (f). g The interaction of various SQSTM1 constructs with ARHGAP5-AS1 were analyzed using RIP assay. h The interaction of various ARHGAP5-AS1 fragments with SQSTM1 was analyzed by RNA pull down assay. i Half-life of ARHGAP5-AS1 in SGC7901 & SGC-R cells with different SQSTM1 expression status were determined by qRT-PCR. The colocalization of ARHGAP5-AS with SQSTM1 (j) & LC3B (k) in SGC-R cells treated as indicated were analyzed by combined FISH & IFC assay (original magnification, ×100). Scale bar: 100 μm (j) & 10 μm (k) Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31097692), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241553716.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Effects of autophagy & caspase inhibitors on survival of neurons after glucose reperfusion (GR).After 3 h GD, neuro2a cells were replaced by 20-Methyladenine (3MA); Bafilomycin A1 (BA1) & z-VAD-FMK (z-VAD) were added at final concentrations of 5 mM, 5 nM & 20 uM, respectively. (A) Cell viability was assessed using the MTT assay after treatment of autophagy & pan-caspase inhibitors. MTT mitochondrial reduction was shown as a relative percentage of the MTT values at the indicated time point (3 h GD/48 h GR) from three independent experiments ± SD (*p<0.05, **p<0.001). (B) Changes in protein levels by inhibitors of autophagy or caspase activation were analyzed by immunoblot. Proteins were blotted with anti-LC3, p62, cleaved-caspase 3 & PARP antibodies. Tubulin was used as loading control. (C) Quantification of immunoblot data in (B). The amount of each protein was normalized against the amount of tubulin. Data represent the mean ± SD (*p<0.05, n = 3). (D) Cells transiently expressing GFP-LC3 (green) were treated with 3MA, BA1 or z-VAD for 48 h of GR after 3h GD. Nuclei were stained with DAPI (blue). Scale bar represents 5 µm. Quantification shown on the right graph represents mean GFP-LC3 puncta per cell (n = 10 cells per condition) from three independent experiments ± SD. The asterisks (*) indicate significant differences in the values.*p<0.05, **p<0.001. Image collected & cropped by CiteAb from the following publication (//dx.plos.org/10.1371/journal.pone.0076466), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241553717.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Exposure of microglia to cART resulted in blockade of autophagosome–lysosome fusion. (A) rPMs were seeded into a 12-well plate followed by tandem fluorescent-tagged MAP1LC3B plasmid. Next, cells were exposed to cART (5 µM each of TDF, FTC, & DTG) for an additional 24 h & observed by confocal imaging. The results showed that cART exposure significantly increased the formation of autophagosomes (yellow puncta). (B) Representative bar graph showing the number of autophagosome (yellow puncta) per cell. (C) Representative bar graph showing the number of autolysosome (red puncta) per cell. (D) rPMs were seeded into 12-well plates followed with cART exposure for 24 h. Cells were then double immunostained with MAP1LC3B & LAMP2 antibody & observed by immunofluorescent microscopy. (E,F) Representative bar graphs showing cART-mediated decreased LAMP2 puncta & decreased colocalization of MAP1LC3B & LAMP2. BAF—autophagosome fusion inhibitor, & rapamycin (RAP—autophagy inducer) were used as controls for autophagy flux. Data is from three independent experiments & is expressed as means ± SEM & were analyzed using one-way ANOVA. *, p < 0.05 vs. control. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31569373), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241683936.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - The cytoprotection of in vitro sIPC is diminished by autophagy inhibitors in RPTC cells. RPTC cells were subjected to: (1) control; (2) CCCP-R; (3) sIPC + CCCP-R in the absence or presence of chloroquine (20 μM) & 3-methyladenine (10 mM). Both inhibitors were used for 1-h pretreatment & during 2-h recovery from prolonged CCCP treatment. Cells were collected for morphological & immunoblot analyses. (a) Representative images of phase contrast & fluorescence microscopy showing cellular & nuclear morphology of apoptosis. Scale bar: 200 μm. (b) Quantification of cell apoptosis. Data are expressed as mean ± SD. *, P < 0.05, significantly different from the control group; #, P < 0.05, significantly different from CCCP-R group. (c) Analysis of apoptosis inhibitory efficiency by sIPC. Data are expressed as mean ± SD. *, P < 0.05, significantly different from the group without inhibitors. (d & e) Immunoblots of LC3B & cleaved CASP3. ACTB was used as a loading control. The molecular mass marker lanes were labelled as kDa. For densitometric analysis of cleaved CASP3, after normalization with ACTB, the protein signals of the control were arbitrarily set as 1, & the signals of other conditions were normalized to the control to calculate fold changes. Data are expressed as mean ± SD. *, P < 0.05, significantly different from the control group; #, P < 0.05, significantly different from CCCP-R group. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31066324), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415541971.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - ORP1L & VAP-A form cholesterol-dependent ER-AV contact sites(a) MelJuSo cells expressing GFP or GFP-tagged ORP1L mutants were fixed & stained for LC3 & Calnexin. Y477 & D478 in the FFAT motif were mutated to alanines (A) in the ORP1L ydaa mutant. Scale bar, 10 μm. Right: co-immunoprecipitation for ORP1L (mutants) with VAP-A. GFP-ORP1L mutants or GFP were isolated from lysates of HEK293T cells co-overexpressing HA-VAPA using GFP-Trap beads. Western blot filters were probed for isolated GFP-tagged proteins, the associated HA-VAP-A & the input HA-VAP-A, as indicated. (b) Cryo-immuno-EM on HeLa cells expressing HA-LC3 & GFP-ORP1L delta ORD, as detected by HA10 nm & GFP15 nm gold antibodies. Insets show ORP1L labelling in the membrane contact site between ER & autophagosome. The membranes of the ER are depicted in the bottom inset. Scale bar, 50 nm. (c) Three-colour super-resolution image of an autophagosomal vesicle labelled by LC3 (green), ORP1L (blue) & the ER protein VAP-A (red). Scale bar, 500 nm (d) MelJuSo cells cultured either in lipid depleted serum or control medium were fixed & stained for LC3 & ER marker Calnexin. Scale bar, 10 μm. Right panel: Manders coefficient for LC3 localization to the ER was calculated on at least 10 cells over three independent experiments. Bars indicate mean+s.d. Student's t-test statistical analysis (****P<0.0001). Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/27283760), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415541949.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Inhibition of LRRK2 alters the autophagy/lysosomal pathway in H4 neuroglioma cells. A) LC3-II levels increase upon LRRK2-in1 inhibitor treatment (1 μM, overnight treatment; quantification from 3 independent replicates, the plot shows mean & SD, * indicates significance (p < 0.05)). B) Dose dependent increase in LC3-II upon overnight treatment with LRRK2-in1. C) MTT assay showing no alteration of cell viability upon over night treatment with LRRK2-in1 from 1 to 5 μM. A small toxic effect appeared with the higher dose (10 μM). The plot shows mean & SD, * indicates significance (p < 0.05). D) LRRK2 knockdown cells display reduced response to LRRK2-in1. LRRK2 protein levels are decreased in shRNA stable line compared to wild type cells (right panel), & knockdown of LRRK2 reduces response to 1 μM LRRK2-in1 treatment compared to wild type or scrambled shRNA cells (left panel). E) Western blot analysis of H4 cells treated with DMSO & LRRK2-in1 (5 μM, 2.5 hours treatment) in the presence & absence of 40 nM bafilomycin added at the same time as the inhibitor. Quantification of three replicates is shown in the right hand panel, the plot shows mean & SD, * indicates significance (p < 0.05). F) LRRK2-in1 increases LC3-II levels independent of mTORC1 activity. P70S6K & phoshoThr389-P70S6K; S6 & phosphoSer235/236-S6 levels are shown in control, starvation & amino-acid stimulated conditions. LRRK2-in1 (1 μM over night) treatment does not alter phosphorylation of P70S6K & S6 in conditions that show increased levels of LC3-II. G) Neutral red staining. The plot shows mean & SEM. * indicates significance (p < 0.05). Image collected & cropped by CiteAb from the following publication (//linkinghub.elsevier.com/retrieve/pii/S0167488913002954), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-3102024165723.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - TFEB overexpression in macrophages induces the autophagy markers LC3 & p62 & restores their co-localization in atherosclerotic aortic roots.(a,b) Representative immunofluorescence images of atherosclerotic aortic roots (2 months' western diet) from control & mφTFEB-TG mice (ApoE-null background) stained with antibodies against TFEB (a), TFEB & MOMA-2 (b; scale bar, 50 μm). (c) Quantification of the average TFEB intensity & co-localization with nuclear marker DAPI (n=4-5 mice per group). (d) Representative immunofluorescence images of atherosclerotic aortic roots from control & mφTFEB-TG mice stained with p62 & LC3 (scale bar, 50 μm). (e) Quantification of the p62 & LC3 average intensity from control & mφTFEB-TG-stained roots (n=13–14 mice per group). (f) Representative pseudocolour image of these p62/LC3 images (green represents co-localization) & graph depicting the increased p62/LC3 correlation seen in a representative mφTFEB-TG as compared to a control lesion (scale bar, 50 μm). (g) Quantification of the p62/LC3 co-localization from control & mφTFEB-TG-stained roots shown (n=13–14 mice per group). (h,i) FACS analysis of aortic macrophages isolated from atherosclerotic aortas of Control or mφTFEB-TG mice (western diet-fed ApoE-KO background, n=3–4 pooled aortas) & stained for either (h) p62 & LC3, or (i) Lamp2 & LC3 antibodies (per cent of macrophages expressing each marker is shown below plots). For all graphs, data are presented as mean±s.e.m. *P<0.05, ***P<0.001, two-tailed unpaired t-test. Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/ncomms15750), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241553207.jpg)
![Immunohistochemistry: LC3B Antibody - BSA Free [NB100-2220] - Keap1 co-localizes with SQSTM1-immunopositive sarcoplasmic aggregates in AVM muscle. a-c. Only focal & minimal co-localization of LC3 (a) & Keap1 immunofluorescence (b) is seen in a representative toxic AVM sample (colchicine-treated subject #31); merged panel is shown in (c) (LC3, red; Keap1, green). d-f. In the same specimen, there is extensive co-localization of SQSTM1 (d) & Keap1 immunofluorescence (e); merged panel is shown in (f) (SQSTM1, red; Keap1, green). g-i. Similar to toxic AVM specimens, essentially no co-localization of LC3 (g) & Keap1 immunofluorescence (h) is seen in a representative IBM muscle biopsy (subject #46); merged panel is shown in (i) (LC3, red; Keap1, green). j-l. In the same specimen, there is extensive co-localization of SQSTM1 (j) & Keap1 immunofluorescence (k); merged panel is shown in (l) (SQSTM1, red; Keap1, green). Scale bar, 25 μm Image collected & cropped by CiteAb from the following publication (//actaneurocomms.biomedcentral.com/articles/10.1186/s40478-016-0384-6), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415535125.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Glucose deprivation (GD) induces neuronal cell death.Time course of cell viability & cell death after GD was estimated by MTT & LDH assays, respectively. Bars depict rates of MTT reduction (A) & LDH release (B) time dependent manner after GD. MTT data represent relative percentages compared with controls (*p<0.05, **p<0.001, n = 3). LDH release from neuro2a cells was calculated as fold increase from the LDH release in controls (*p<0.01, **p<0.001, n = 3). (C) Levels of LC3 & p62 expression, cleaved-caspase 3 & PARP cleavage were determined at indicated times after GD by immunoblot analysis. Tubulin was used as loading control. (D) Quantitative analyses of the immunoblots are shown in (C). The amount of each protein was normalized against the amount of tubulin. Data represent the mean ± SD for each condition (*p<0.05, **p<0.001, n = 3). Image collected & cropped by CiteAb from the following publication (//dx.plos.org/10.1371/journal.pone.0076466), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241552390.jpg)
![Immunohistochemistry: LC3B Antibody - BSA Free [NB100-2220] - OSI induces autophagy through upregulation of MCT1 in CRC cells.a Immunoblotting analysis of MCT1 expression in CRC cells treated with or without 5 μM OSI for 24 h. b Immunoblotting analysis of MCT1 & phosphorylated AMPK in tumor xenografts obtained from vehicle- or OSI-treated mice. (Each protein of interest from each group was electrophoretically transferred onto a PVDF membrane, incubated with indicated primary & secondary antibodies, & developed as a digital image.) c Immunohistochemical analysis of MCT1 expression in tumor xenografts. Scale bar, 50 μm. d Relative intensity of MCT1 staining in (c). e CRC cells were transfected with siScramble or siMCT1 for 24 h, followed by treatment with or without 5 μM OSI for another 24 h. The protein levels of LC3, phosphorylated AMPK, phosphorylated LKB1 & MCT1 were analyzed by immunoblotting. f CRC cells were treated as in (e), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. g The number of LC3 puncta in (f). h CRC cells were transfected with empty vector or Flag-MCT1 plasmid for 48 h, the protein levels of MCT1 & phosphorylated AMPK were analyzed by immunoblotting. i CRC cells were treated as in (h), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. j The number of LC3 puncta in (i). k Immunoblotting analysis of LC3, MCT1 & phosphorylated AMPK levels in CRC cells co-transfected with Flag-MCT1 & DN-AMPK plasmids for 48 h. l CRC cells were treated as in (k), the endogenous LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. m The number of LC3 puncta per cell in (l). Data are presented as mean SEM, Student’s t-test, & are representative of three independent experiments. *P < 0.05; ***P < 0.001 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31409796), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415525226.jpg)
![Immunohistochemistry: LC3B Antibody - BSA Free [NB100-2220] - OSI induces autophagy in CRC cells in vitro & in vivo.a Immunoblotting analysis of LC3, Atg5, & p62/SQSTM1 expression in CRC cells treated with indicated concentrations of OSI for 24 h. b The formation of endogenous LC3 puncta in cells treated with DMSO or 5 μM OSI for 24 h. c Total number of endogenous LC3 puncta per cell in (b). d, e LC3 expression in xenograft tissues was examined by IHC. Representative images were provided as indicated in (d) & relative intensity of LC3 staining was quantified in (e). f Immunoblotting analysis of LC3 & p62/SQSTM1 expression in tumor xenografts (Each protein of interest from each group was electrophoretically transferred onto a PVDF membrane, incubated with indicated primary & secondary antibodies, & developed as a digital image.) g Relative intensity of LC3 in (f). h Co-immunoprecipitation analysis of the interaction between Beclin 1 & Bcl-2 in CRC cells treated with or without 5 μM OSI for 24 h. i Immunoblotting analysis of LC3 expression in CRC cells treated with or without 5 μM OSI in the presence or absence of 5 mM 3-MA for 24 h. j CRC cells were treated as in (i), the LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. k, l Immunoblotting analysis of LC3 expression in CRC cells transfected with siScramble, siATG5 (k), or siBECN1 (l) for 24 h, followed by treatment with or without 5 μM OSI for another 24 h. m CRC cells were treated as in (k, l). The LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. Data are presented as mean SEM, Student’s t-test, & are representative of 3 independent experiments. **P < 0.01; ***P < 0.001 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31409796), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415535133.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Measurement of dysregulated autophagy by fluorescent microscopyOVCAR3 cells were treated with the indicated drugs for 24 hours & then fixed & immunostained for p62 (red) & LC3 (green), with a DAPI costain (blue). Confocal z-stacks were flattened for image analysis to capture all punctate area. A. Doses were: chloroquine (10 μM), nelfinavir (10 μM), rapamycin (10 nM), dasatinib (50 nM), & all were combined for Necramed. B. Similar immunostaining as in (A) Punctae were quantified for size & number per cell by ImageJ with at least 40 cells per condition. LC3 channel was analyzed for autophagosomes, & the p62 channel for sequestosomes. Doses were same as in (A), but with chloroquine & nelfinavir reduced to 5 μM. *p < 0.05, ***p < 0.001 by t-test. All error bars are s.e.m. C. OVCAR3 cells with a virally integrated mCherry-GFP-LC3 construct were studied by live microscopy, for the number of hours indicated following Necramed (doses as in (A)) or control treatment. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/26418751), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-3102024165734.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Rop-DPRL combined with CR inhibits tumor growth. (A) Fluorescent imaging of major organs & tumor. Tumor-bearing mice were injected with cy5-labeled liposome or unlabelled liposome. The tumor & major organs from control or drug-treated mice were excised at 12 h or 24 h. (B) Fluorescent image of tumor sections. Tumor from control or Rop-DPRL treated mice were excised at 12 h. Tumor frozen sections were observed under confocal microscope. Scale bar = 20 µm. (C) Immunofluorescence staining of tumor sections for the autophagosome marker LC3, P62 & LAMP1. (D) Image of representative tumors. (E) Change in tumor volume. (F) Tumor weight. (G) TUNEL staining of tumor sections. Nuclei were stained with Hoechst. Scale bar = 20µm. (H) Body weight changes of mice under different treatments. CR: Calorie restriction. Arrows: Enlarged lysosomes. Data are presented as the mean ± SEM, ** p < 0.01. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32308756), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241555242.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - SsD & SsA inhibit autophagy in HeLa cells. a Structures of SsA, SsC, & SsD. b SsD (15 μM) & SsA (30 μM), but not SsC, significantly increased LC3-II yellow puncta formation but did not significantly affect LC3-II red-only puncta in RFP-GFP-LC3-expressing HeLa cells. Scale bar = 10 μm. Quantification of LC3 yellow puncta/red puncta (%) is presented as the mean ± S.E., n = ~80 cells from 3 independent experiments. c Treatment of HeLa cells with SsD for 6 h induced the accumulation of both LC3-II & SQSTM1 in a dose-dependent manner. d SsD (15 μM) induced the accumulation of both LC3-II & SQSTM1 in HeLa cells in a time-dependent manner. e SsA (30 μM) induced the accumulation of both LC3-II & SQSTM1 in HeLa cells in a time-dependent manner. f Treatment with different concentrations of SsC for 6 h failed to induce the accumulation of either LC3-II or SQSTM1 in HeLa cells. g SsD (15 μM) reversibly inhibited autophagy Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/30820356), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241553736.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - PERK pathway-independent induction of prosurvival autophagy in KG1 LSC-like cells upon G9a inhibition. a, LC3-I/II & p62 expression, analyzed by western blotting, after cell treatment with BIX-01294 (15 μmol/L) in the absence or presence of bafilomycin A1 (BafA1) for 24 h. b, Confocal microscopy images of GFP-LC3-transfected cells after treatment with BIX-01294 (5 μmol/L). c, Apoptotic fractions, measured using flow cytometry, after cell treatment with BIX-01294 (15 μmol/L) in the absence or presence of the autophagy inhibitor 3-MA (5 mmol/L) or BafA1 (2 nmol/L) for 48 h. d, Protein expression, analyzed by western blotting with the indicated antibodies, after treatment of PERK siRNA-transfected & non-transfected cells with BIX-01294 (15 μmol/L) for 48 h. e, Protein expression, analyzed by western blotting with the indicated antibodies, after cell treatment with BIX-01294 (10 μmol/L) in the absence or presence of GSK2606414 (20 μmol/L) for 48 h. f, Protein expression, analyzed by western blotting with the indicated antibodies, after treatment of NRF2 siRNA-transfected & non-transfected cells with BIX-01294 (10 μmol/L) for 48 h. g, Levels of apoptosis, evaluated by flow cytometry, after cell treatment for 48 h with BIX-01294 (10 μmol/L) in the absence or presence of the PERK inhibitor GSK2606414 (10 μmol/L) or the autophagy inhibitor 3-MA (5 mmol/L), or BafA1 (2 nmol/L). h, Levels of apoptosis, evaluated by flow cytometry, after treatment of PERK siRNA- or control siRNA-transfected cells with BIX-01294 (10 μmol/L) in the absence or presence of 3-MA (5 mmol/L) or BafA1 (2 nmol/L) Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32293500), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241682153.jpg)
![Immunohistochemistry: LC3B Antibody - BSA Free [NB100-2220] - OSI induces autophagy in CRC cells in vitro & in vivo.a Immunoblotting analysis of LC3, Atg5, & p62/SQSTM1 expression in CRC cells treated with indicated concentrations of OSI for 24 h. b The formation of endogenous LC3 puncta in cells treated with DMSO or 5 μM OSI for 24 h. c Total number of endogenous LC3 puncta per cell in (b). d, e LC3 expression in xenograft tissues was examined by IHC. Representative images were provided as indicated in (d) & relative intensity of LC3 staining was quantified in (e). f Immunoblotting analysis of LC3 & p62/SQSTM1 expression in tumor xenografts (Each protein of interest from each group was electrophoretically transferred onto a PVDF membrane, incubated with indicated primary & secondary antibodies, & developed as a digital image.) g Relative intensity of LC3 in (f). h Co-immunoprecipitation analysis of the interaction between Beclin 1 & Bcl-2 in CRC cells treated with or without 5 μM OSI for 24 h. i Immunoblotting analysis of LC3 expression in CRC cells treated with or without 5 μM OSI in the presence or absence of 5 mM 3-MA for 24 h. j CRC cells were treated as in (i), the LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. k, l Immunoblotting analysis of LC3 expression in CRC cells transfected with siScramble, siATG5 (k), or siBECN1 (l) for 24 h, followed by treatment with or without 5 μM OSI for another 24 h. m CRC cells were treated as in (k, l). The LC3 puncta were analyzed by immunofluorescence. Scale bar, 10 μm. Data are presented as mean SEM, Student’s t-test, & are representative of 3 independent experiments. **P < 0.01; ***P < 0.001 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31409796), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241555224.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Metabolic profiling & biochemical assay. (A) Relative abundance of the substrates in the glycolytic pathway & TCA cycle in ORP compared to OCL by targeted metabolic profiling. When compared with OCL heart, ORP hearts have significantly lower glucose-6-phosphate & fructose-6-phosphate (both are glycolytic metabolites), & significantly higher a-ketoglutarate, fumarate, malate, & citrate (all are TCA cycle metabolites). *P < 0.05 compared with OCL. See Table S6 for numerical data. (B) A schematic diagram summarizing the changes in metabolism by rapamycin in old heart. (C) Western blots of autophagic markers show no significant change of LC3 II/I, p62, or beclin-1 in cardiac aging. However, OCR has significantly lower p62 than that in OCL. #P < 0.05 compared with OCL. (D) Both CR & RP significantly reduce the age-dependent increase in protein carbonyls (nmol mL−1). #P < 0.05 compared with OCL. (E). Both CR & RP significantly reduce the age-dependent increase in protein ubiquitination.*P < 0.05 compared with YCL & #P < 0.05 compared with OCL. n = 3–8. G6P: glucose 6-phosphate; G1P: glucose 1-phosphate; F6P: fructose 6-phosphate; F1P: fructose 1-phosphate; F16BP: fructose 1,6-bisphosphate; F26BP: fructose 2,6-biphosphate; G3P: glyceraldehyde 3-phosphate; DHAP:dihydroxyacetone phosphate; 2(3)-PGA: 2- or 3-phosphoglycerate; & PEP: phosphoenolpyruvate. Isomers of same molecular weight, that is, G6P versus G1P, F6P versus F1P, & F16BP versus F26BP, were not distinguishable by the LC-MS/MS-based metabolic profiling method. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/24612461), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415535191.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - iNOS level is regulated by autophagy during LPS-stimulated condition. (A) Raw 264.7 cells were treated with LPS (200 ng/mL) for 12 h first, followed by removing the LPS & added CQ (30 µM), SAR (1 µM), Torin (1 µM), Rap (1 µM) for another 12 h. CTRL is blank control group with DMSO treatment. (B) Western blot analysis of iNOS in Raw 264.7 cells under LPS treatment. (C) Western blot analysis of p62 in Raw 264.7 cells under LPS treatment. (D) Raw 264.7 cells were treated LPS (200 ng/mL) for 12 h, then removed LPS added CHX (1 µg/mL) & autophagy related drugs for another 12 h. (E) Level of iNOS in Raw 264.7 cell after CHX treatment. (B–E) Values were analyzed from three individual experiments by GraphPad Prism, each experiment conducted three times. * p < 0.05, ** p < 0.01, *** p < 0.001. Error bars (mean ± SEM). One-way ANOVA with Turkeys as post hoc tests. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31618870), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241682195.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Autophagic pathway regulates inflammasome activation in blood-derived monocytes stimulated with M. leprae. (A–C) Monocytes were purified from healthy donors’ peripheral blood mononuclear cells by 2-h adherence & stimulated with 10 µg/mL M. leprae (ML) in the presence or absence of autophagy regulators for 18 h. Autophagy was triggered with 200 ng/mL rapamycin (RP), & inhibited with 100 µM chloroquine (CQ, autophagic flux blocker) & 10 µM 3-methyladenine (3-MA). (A) Monocytes stimulated with M. leprae, RP, CQ, & 3-MA were fixed & stained with anti-NLRP3 (red), anti-LC3B (green) antibodies & DAPI (blue). Monocytes stimulated with M. leprae increase the number of LC3-II-decorated autophagosomes (puncta) per cell, which is reforced by RP addition, & reverted by 3-MA. Autophagy blocking with CQ & 3-MA was able to increase NLRP3 specks numbers per cell in relation to the well stimulated with M. leprae & RP. Immunofluorescence images were quantified & bars represent the mean values of the number of LC3 puncta & NLRP3 specks per cell ± SEM (n = 3). *(in relation to NS) or #(indicated by the dashes) p < 0.05. Scale bar: 10 µm. (B) Purified mRNAs from monocyte cultures stimulated with M. leprae, the autophagy blocker 3-MA, & RP, as a control of autophagy activation, were analyzed by RT-qPCR for LC3B & IL1B. Bars represent the mean of the fold change values in relation to the non-stimulated controls of three independent experiments with similar results. (C) The IL-1 beta , IL-6, & TNF levels in the monocyte cultures supernatants were assessed by ELISA. Bars represent the fold change values in relation to the non-stimulated controls ± SEM (n = 3). Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/29915584), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241554517.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Melatonin induced LC3 aggregation & conversion. a GFP-LC3 aggregation & conversion in U87MG cells stably expressing an exogenous fusion protein, green fluorescent protein (GFP) & microtubule-associated light chain 3 (LC3) (U87-GFP-LC3), after treatment with DMSO (control), rapamycin (RAP 200 nM), melatonin (MEL 1 mM) or agomelatine (AGO 2 μM) for 24 h (×40); b U87MG cells & c A172 cells treated with DMSO (control), rapamycin (RAP 200 nM), melatonin (MEL 1 mM), agomelatine (AGO 2 μM) & luzindole (LUZ 5 μM/L) for 24 h were fixed & analyzed for endogenous LC3 dots by immunofluorescence using anti-LC3 antibodies (green), DAPI (blue) staining shows the nuclei (×40). d Stable U87-GFP-LC3 cell lines & GFP in vector control. U87MG cells stably expressing an exogenous fusion protein, green fluorescent protein (GFP) & microtubule-associated light chain 3 (LC3) (U87-GFP-LC3) (×40) Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31870319), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241612627.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Autophagy induction by atorvastatin in T24 human bladder cancer cells. (A) Immunocytochemistry for the co-localization of LC3 puncta (green) & Lysotracker (red, demarcation for the lysosome) after atorvastatin treatments (30 μM) for 24 h in T24 cells. Rapamycin treated T24 cells were the positive control of autophagy induction. 4′,6-diamidino-2-phenylindole (DAPI) was used for nucleus staining. Scale bar = 100 μm; (B) High magnification view of immunocytochemistry for the co-localization LC3 puncta (green) & Lysotracker after atorvastatin treatments (30 μM) for 24 h in T24 cells at the single-cell level. Scale bar = 50 μm; (C) Western blot analysis of autophagosome formation markers p62/SQSTM1, LC3-I & LC3-II in untreated (control) & atorvastatin (30 μM) treated T24 cells. Image collected & cropped by CiteAb from the following publication (//www.mdpi.com/1422-0067/15/5/8106), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415541929.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Increased LC3B-positive puncta correlated positively with vascular remodeling during AngII-induced hypertension. (A) Western blot analysis of LC3B-II expression in aortas from sham or AngII-infused mice at different time points after operation. **P < 0.01 vs. the corresponding sham group, Student's t-test. n = 10 mice/group. (B) Representative immunofluorescence staining of LC3B (green) & alpha -SMA (red) in thoracic aorta section. Nuclei were stained with DAPI. Scale bars, 20 µm. (C) Quantification of LC3B puncta. Five random fields (2,500 µm2/filed) were measured in one section. Statistical significance was determined by one-way ANOVA. **P < 0.01 vs. sham, n = 12 sections from six mice per group. (D-G) Structural parameters of mouse aorta from sham & hypertensive mice. WD, wall diameter; LD, lumen diameter; CSA, cross-sectional area. *P < 0.05, **P < 0.01 vs. the corresponding sham group, Student's t-test. n = 10 mice/group. (H) Correlation between changes in LC3B puncta & CSA values. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32226533), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241555241.jpg)
![Immunohistochemistry: LC3B Antibody - BSA Free [NB100-2220] - Representative images of the variation of LC3 staining associated with cavities in SDH activity & mitochondrial COX-1 staining in PAD gastrocnemius muscle sections. First column shows succinate dehydrogenase (SDH) activity (dark fibers are type I, intermediate fibers are type IIa, & light fibers are type IIa/x), second column shows mitochondrial COX-1 protein (green), third column shows LC3 (red) & fourth column shows COX-1 & LC3 merged. Examples of normal fibers with no LC3 staining or COX-1 cavities (rowA), punctate LC3 staining where a COX-1 cavitiy is forming (row B), elevated LC3 staining with low COX-1 staining (rowC), LC3 accumulation in areas lacking COX-1 staining (row D), & LC3 plaque in the center of an SDH/COX1 cavity (COX-1; rowE). Arrows within the same row point to areas of LC3 accumulation in same fiber. Scale bar = 100 µM Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/27687713), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-3102024168218.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Vps34 inhibition blocks autophagy initiation & causes accumulation of ubiquitin-positive & p62-positive structures. a Representative confocal images of cortical neurons treated with vehicle, Bafilomycin A1 (BafA1) at 50 nM, VPS34IN1 at 3 µM or cotreated for 3 h. Arrows highlight LC3 & p62 structures. Right panel, bar graphs denote average object intensity, per cell (mean ± SEM, N = 49-60 cells, from three independent experiments). Scale bar, 10 µm. ***p < 0.001 in one-way ANOVA, Holm–Sidak’s multiple comparisons test. b Representative confocal images of cortical neurons treated as in a & immunostained for LAMP-1, LC3, & p62. Airyscan insets highlight position of LC3 & p62 structures relative to LAMP-1-positive membranes. Scale bar, 10 µm. c Representative confocal images of cultured cortical neurons treated with vehicle or VPS34IN1 at 3 µM for 24 h. Arrows highlight p62 & ubiquitin colocalization. Scale bar, 10 µm Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/s41467-017-02533-w), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-3102024155521.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Mechanistic analysis of autophagic inhibition in ATO-treated HepG2. a The viability of HepG2 & NB4 cells after incubation with ATO at various concentrations for 48 h (n = 3; error bars are s.d.). Upper: Confocal images of NB4 or HepG2 cells after being stained with calcein AM. Scale bars: 10 μm. b The viability of HepG2 & NB4 cells after incubation with CQ, ATO, or CQ–ATO mixture for 48 h (n = 3). ##P < 0.01 by t-test, significantly different from ATO. ns not significant. c Immunoblots of autophagy-related proteins LC3-II, p62 (left); semi-quantified analysis (n = 3) in NDs, ATO, or NDs–ATO mixture-treated cells (right). GAPDH was used as the loading control. Normalized band densities were shown below each band. d Cell viability & Caspase-3 activity after incubation with ATO or NDs–ATO mixture for 48 h (n = 3). ##P < 0.01 by t-test, significantly different from ATO. e Immunostaining of LC3 in NDs, ATO, or NDs–ATO mixture-treated cells (left). Scale bar: 20 μm. TEM images of ATO or NDs–ATO mixture-treated cells (right). Scale bars: 1 μm. Typical structures of autophagosomes induced by ATO & autolysosome containing NDs induced by NDs–ATO mixture are indicated with green or blue arrows, respectively (magnification). Vacuoles inside cells are indicated with red arrows (magnification). Scale bars: 500 nm. Error bars are s.d. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/30341298), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415525276.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Rop-DPRL impairs autophagy. (A) Fluorescent images of GFP-LC3-HeLa cells treated with 1.5 mM ropivacaine for 0-24 h, or starvation for 0-24 h, & stained with 75 nM LysoTracker Red. Scale bar = 5 µm. (B) Western blot & (C) statistical results of P62, immature & mature cathepsin D (CathD), LC3I, LC3II, & beta -actin. HeLa cells were treated with ropivacaine or starvation for 0-24 h. (D) Western blot & (E) statistical results of P62, LC3I, LC3II, & beta -actin. HeLa cells were treated with PBS, CQ (50 µM), ropivacaine, or CQ+Rop for 24 h. (F) Fluorescent images of GFP-LC3-HeLa cells treated with empty liposome or Rop-DPRL for 24 h & stained with 75 nM LysoTracker Red. Scale bar = 5 μm. (G,I, K & M) Western blot & (H,J,L & N) statistical results for P62, LC3I, LC3II & beta -actin. Cells were treated with empty liposome, CQ, Rop-DPRL, starvation or indicated combination for 24 h. Data are presented as the mean ± SEM, *p < 0.05, ** p < 0.01, *** p < 0.001, ns = no significant difference, Rop: ropivacaine, starv: starvation. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32308756), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241682123.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - PERK pathway-independent induction of prosurvival autophagy in KG1 LSC-like cells upon G9a inhibition. a, LC3-I/II & p62 expression, analyzed by western blotting, after cell treatment with BIX-01294 (15 μmol/L) in the absence or presence of bafilomycin A1 (BafA1) for 24 h. b, Confocal microscopy images of GFP-LC3-transfected cells after treatment with BIX-01294 (5 μmol/L). c, Apoptotic fractions, measured using flow cytometry, after cell treatment with BIX-01294 (15 μmol/L) in the absence or presence of the autophagy inhibitor 3-MA (5 mmol/L) or BafA1 (2 nmol/L) for 48 h. d, Protein expression, analyzed by western blotting with the indicated antibodies, after treatment of PERK siRNA-transfected & non-transfected cells with BIX-01294 (15 μmol/L) for 48 h. e, Protein expression, analyzed by western blotting with the indicated antibodies, after cell treatment with BIX-01294 (10 μmol/L) in the absence or presence of GSK2606414 (20 μmol/L) for 48 h. f, Protein expression, analyzed by western blotting with the indicated antibodies, after treatment of NRF2 siRNA-transfected & non-transfected cells with BIX-01294 (10 μmol/L) for 48 h. g, Levels of apoptosis, evaluated by flow cytometry, after cell treatment for 48 h with BIX-01294 (10 μmol/L) in the absence or presence of the PERK inhibitor GSK2606414 (10 μmol/L) or the autophagy inhibitor 3-MA (5 mmol/L), or BafA1 (2 nmol/L). h, Levels of apoptosis, evaluated by flow cytometry, after treatment of PERK siRNA- or control siRNA-transfected cells with BIX-01294 (10 μmol/L) in the absence or presence of 3-MA (5 mmol/L) or BafA1 (2 nmol/L) Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32293500), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415525287.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - TLR4 mediates Hsp70/Hsp90-induced catabolic response in myotubes. a Hsp70 & Hsp90-induced catabolic response in myotubes is dependent on TLR4. C2C12 myoblasts were transfected with siRNA as indicated. After differentiation, myotubes were treated with rHsp70 & rHsp90 & analyzed for catabolic response as described above. b LLC-released EVs induce muscle catabolism in C2C12 myotubes through TLR4. C2C12 myotubes with either TLR2 or TLR4 knockdown were treated with EVs isolated from LCM (AchE 6 mU) & analyzed for catabolic response. c CD9-positive EVs activate TLR4 in reporter cells. EVs isolated from LCM were subjected to immunoprecipitation (IP) using an antibody against CD9 with pre-immune IgG as control. Resulting pellet & supernatant were used to treat TLR4 reporter cell line HEK-Blue hTLR4 for 24 h, & compared with original EVs. TLR4 activation was measured as SEAP activity. Data (n = 3) were analyzed by analysis of variance. * denotes a difference (P < 0.05) Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/s41467-017-00726-x), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415533814.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - cIAP2 & XIAP regulate autophagosome fusion, but not cIAP1.a MEFs expressing mCherry-GFP-LC3b were transfected with siRNA against either cIAP1, cIAP2 or XIAP. Cells were analysed with the microscope & the number of mCherry+, & GFP + puncta/cell were calculated & the ratio of GFP + /mCherry + puncta is indicated. Shown are the means & the error bars represent the SEM of at least three independent experiments. Westerns show efficient knockdown of cIAP1 & XIAP expression. cIAP2 siRNA efficiency was determined by real time PCR as shown in the graph below the westerns. b Wild type & cIAP2−/− XIAP−/− dermal fibroblasts expressing mCherry-GFP-LC3b were treated analysed on the microscope & mCherry+, & GFP + puncta/cell were calculated. The ratio of GFP+/mCherry + puncta is indicated. c Wild type & cIAP2−/− XIAP−/− dermal fibroblasts were left in complete media (CM) or starved for 2 h in EBSS. Cells were lysed & proteins analysed by western blot for XIAP, LC3, & Actin. cIAP2−/− was confirmed by PCR due to lack of effective antibodies for mouse cIAP2 (see supplemental Fig. 2). d Immunofluoresence showing accumulation of LC3 in starved cIAP2−/− XIAP−/− dermal fibroblasts. Wild type & cIAP2−/− XIAP−/− dermal fibroblasts were incubated in complete media or starved in EBSS for 2 h, then fixed & stained for LC3 (green channel) & LAMP2 (red channel). Nuclei are stained blue with Hoechst. Shown in upper panels are overviews. Lower panels show zoomed in regions indicated in the upper panels Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/29743550), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415541921.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Enhanced mTORC2 signaling is sufficient to protect MSC from calcification. Flag-tagged rictor or green fluorescent protein (GFP) as a control were introduced into MSC by lentiviral transfer. Cells were cultured for 21 days under control conditions, with osteoblast induction medium (OM) & vehicle, or OM & 20 nM Rapa as indicated. (A) Western blot analyses of rictor & flag confirming overexpression of rictor due to gene transfer, downstream targets of the two mTOR complexes (mTORC1: pp70-S6KSer389; mTORC2: pAKTSer473), inhibition of autophagy (LC3B II, p62), cellular senescence (p16INK4a), & apoptosis-related proteins (Bcl-2: negative regulator of apoptosis; cleaved caspase 3 (cl casp 3): executioner caspase). Representative western blots from six independent experiments are shown. For densitometric quantification, band intensities were normalized to GAPDH as a loading control. Control (no OM) was set to 1. (B) Lactate dehydrogenase (LDH) activity in cell culture supernatants normalized to total protein concentrations was determined to quantify cell death. Control was set to 1. (C) Alkaline phosphatase (ALP) activity normalized to total protein concentrations was measured after 7 days of incubation. (D) Calcium deposition was quantified with the ortho-cresolphthalein method & normalized to total protein concentrations. Bars represent mean + SEM, *P < 0.05, **P < 0.01, ***P < 0.001. Numbers of independent experiments are indicated at the bottom of each graph. (E) Alizarin red S staining of calcium deposits. Representative experiment out of six, phase contrast microscopy, original magnification x200, scale bar = 100 µm. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31882658), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415523919.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB100-2220] - Autophagy induction by atorvastatin in T24 human bladder cancer cells. (A) Immunocytochemistry for the co-localization of LC3 puncta (green) & Lysotracker (red, demarcation for the lysosome) after atorvastatin treatments (30 μM) for 24 h in T24 cells. Rapamycin treated T24 cells were the positive control of autophagy induction. 4′,6-diamidino-2-phenylindole (DAPI) was used for nucleus staining. Scale bar = 100 μm; (B) High magnification view of immunocytochemistry for the co-localization LC3 puncta (green) & Lysotracker after atorvastatin treatments (30 μM) for 24 h in T24 cells at the single-cell level. Scale bar = 50 μm; (C) Western blot analysis of autophagosome formation markers p62/SQSTM1, LC3-I & LC3-II in untreated (control) & atorvastatin (30 μM) treated T24 cells. Image collected & cropped by CiteAb from the following publication (//www.mdpi.com/1422-0067/15/5/8106), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415532040.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - OSI induces autophagy by activating LKB1/AMPK signaling in CRC cells.a Immunoblotting analysis of AMPK, phosphorylated AMPK (Thr172) & LC3 levels in CRC cells treated with indicated concentration of OSI for 24 h. b Immunohistochemistry analysis of AMPK phosphorylation levels in xenograft tissues. Scale bar, 50 μm. c Relative intensity of phosphorylated AMPK staining in (b). d CRC cells were transfected with siScramble or siAMPK for 24 h & followed by treatment with or without 5 μM for another 24 h. LC3 & phosphorylated AMPK (Thr172) levels were detected by immunoblotting. e CRC cells were transfected with empty vector or DN-AMPK plasmid for 24 h, followed by treatment with or without 5 μM OSI for another 24 h. LC3 & AMPK phosphorylation levels were determined by immunoblotting. f CRC cells were treated as in (d), the endogenous LC3 puncta in CRC cells were assessed by immunofluorescence. Scale bar, 10 μm. g The number of LC3 puncta per cell in (f). h CRC cells were treated as in (e), the endogenous LC3 puncta in CRC cells were assessed by immunofluorescence, Scale bar, 10 μm. i The number of LC3 puncta per cell in (h). j Immunoblotting analysis of phosphorylated LKB1 & phosphorylated CaMKK beta levels in CRC cells treated with or without 5 μM OSI. Data are presented as mean SEM, Student’s t-test, & are representative of three independent experiments. ***P < 0.001 Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31409796), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-310202415532067.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB100-2220] - Cathepsin inhibitors promote neuronal survival after glucose reperfusion (GR).After 3 h GD, neuro2a cells were replaced by 20; pepstatin A (PA, 10 uM), leupeptin (Leu, 10 uM) or both (PA+Leu). (A) Cell viability was assessed using the MTT assay. MTT mitochondrial reduction was shown as a relative percentage of the MTT values at the indicated time point (3 h GD/48 h GR) from three independent experiments ± SD (*p<0.05, **p<0.001). (B) Changes of protein level by cathepsin inhibitors were analyzed by immunoblot analysis. Proteins from cell lysates were fractionated on SDS-PAGE; blots were probed with anti-LC3, anti-p62, anti-cleaved caspase-3, & anti-PARP antibodies. Tubulin was used as loading control. (C) The graphs represent relative band density of each protein shown in (B). The amount of each protein was normalized against the amount of tubulin. Data represent the mean ± SD (*p<0.05, n = 3). Image collected & cropped by CiteAb from the following publication (//dx.plos.org/10.1371/journal.pone.0076466), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb100-2220_rabbit-polyclonal-lc3b-antibody-31020241553712.jpg)
![Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - Ubiquitination of PML in response to As2O3. PML-/- MEFs were transiently transfected with the empty vector (EV) or PMLIII (left panel) or contructs encoding PMLIII, PMLIII-SIM or PMLVI (right panel). Two days later, they were treated with As2O3 for 1 h. The cell extracts were immunoprecipitated with rabbit anti-PML antibody and the immunoprecipitate was analyzed by Western blot using anti-ubiquitin and anti-PML antibodies. Image collected and cropped by CiteAb from the following publication (//doi.org/10.1371/journal.pone.0044949) licensed under a CC-BY license.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Ubi-1-Western-Blot-NB300-130-img0014.jpg "Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - Ubiquitination of PML in response to As2O3. PML-/- MEFs were transiently transfected with the empty vector (EV) or PMLIII (left panel) or contructs encoding PMLIII, PMLIII-SIM or PMLVI (right panel). Two days later, they were treated with As2O3 for 1 h. The cell extracts were immunoprecipitated with rabbit anti-PML antibody and the immunoprecipitate was analyzed by Western blot using anti-ubiquitin and anti-PML antibodies. Image collected and cropped by CiteAb from the following publication (//doi.org/10.1371/journal.pone.0044949) licensed under a CC-BY license.")
![Immunocytochemistry/Immunofluorescence: Ubiquitin Antibody (Ubi-1) [NB300-130] - Study of mutant BRAF protein found within the inclusions. BRAFV600E/ubiquitin double-IF labeling. A nucleus with a large inclusion is shown with positive immunoreactivity for both mutant BRAF (red staining) and ubiquitin (green staining); the merged color yellow (arrow) points out the co-localisation of BRAFV600E and ubiquitin in the same inclusion. Image collected and cropped by CiteAb from the following publication (////doi.org/10.1371/journal.pone.0226199) licensed under a CC-BY license.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Ubi-1-Immunocytochemistry-Immunofluorescence-NB300-130-img0013.jpg)
![Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - Analysis of HEK293 cell lysates using mouse mAb Ubiquitin, dilution 1:1000 (Green). [1] protein standard (Red), [2] cells maintained in normal medium, [3] cells treated with 10uM of proteasome inhibitor lactacystin (Lc) for 16hrs. Lysed cells were electrophoresed on 4-20% SDS-PAGE and transferred to PVDF membranes. The smear detected above the 200kDa standard represent accumulation of ubiquitinated proteins in proteasome inhibitor-Lc treated cells. The prominent band at 8kDa corresponds to monoubiquitin. Rabbit pAb to HSP60, dilution 1:5000 (Red) was used as a loading control.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Ubi-1-Western-Blot-NB300-130-img0012.jpg)
![Immunohistochemistry-Paraffin: Ubiquitin Antibody (Ubi-1) [NB300-130] - FFPE section of cerebral cortex of an Alzheimer patient processed with Ubiquitin antibody using HRP/DAB (Brown) and also stained with haemotoxylin (Blue). A typical flame shaped tangle is seen in a pyramidal neuron in the center and is surrounded by some dystrophic neurites, also strongly ubiquitin positive. Both are commonly seen in cortical and hippocampal Alzheimer brain sections and are typical for this disease, but are rare or absent in healthy brain.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Ubi-1-Immunohistochemistry-Paraffin-NB300-130-img0011.jpg)
![Immunohistochemistry-Paraffin: Ubiquitin Antibody (Ubi-1) [NB300-130] - Staining of Ubiquitin in hippocampal tissue from an Alzheimer patient.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Ubi-1-Immunohistochemistry-Paraffin-NB300-130-img0008.jpg)
![Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - Molecular Analysis of XopD Ub/Ubl Specificity. S. lycopersicum protein extract blotted for total Ub (Ubiquitin; Novus Biologicals) following a 1 hr room temperature treatment with the XopD variants used in (K) at 1 uM final concentration. Image collected and cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/27425412/) licensed under a CC-BY license.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Ubi-1-Western-Blot-NB300-130-img0015.jpg)
![Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - Western blot of Ubiquitin expression on (Lane 1) poly-ubiquitin (lys63 linked), (Lane 2) pure ubiquitin and crude homogenates of adult rat, (Lane 3) cortex, (Lane 4) cerebellum and (Lane 5) brain stem.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Ubi-1-Western-Blot-NB300-130-img0009.jpg)
![Immunohistochemistry-Paraffin: Ubiquitin Antibody (Ubi-1) [NB300-130] - IHC staining of Ubiquitin in human rectal cancer using DAB with hematoxylin counterstain.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Ubi-1-Immunohistochemistry-Paraffin-NB300-130-img0010.jpg)
![Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - In Vivo Applications of Affimers(A) HA-NleL 293 T-Rex cells were induced with 1 μg/mL doxycycline for 12 hr or left untreated. Whole-cell lysate (WCL) blots are shown for actin, HA(-NleL), Ub, & K6 chains. Western blots with the K6 affimer are also shown after Ub enrichment using TUBEs.(B) TUBE-PD of HEK293 cells after 1 hr of MG132 (10 μM) without further treatment (−) or with additional UV (40 J/m2) or CCCP treatment (10 μM for 1 hr) & subsequently blotted with the K6 affimer. Input controls are shown for total Ub & actin & gamma H2AX. The relative signal increase from two experiments is shown below the respective lanes.(C) Expression of WT or catalytically inactive (C431S) Parkin in HeLa Flp-In cells was induced with 0.2 μg/mL doxycycline for 16 hr. Mitochondria were depolarized with O/A for 2 hr. WCL inputs are shown for total Ub, expressed Parkin, TOM20, & actin. The TUBE-PD was also blotted using the K6 affimer & total Ub.(D) Confocal fluorescence microscopy images of cells as in (B) stained with K6 affimer (green), TOM20 (red), & DAPI (blue). Cells & a magnified area are outlined in white. Scale bars correspond to 20 μm.See also Figure S5. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/28943312), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb300-130_mouse-monoclonal-ubiquitin-antibody-ubi-1-imgenex-img-5021-310202416205188.jpg)
![Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - In Vivo Applications of Affimers(A) HA-NleL 293 T-Rex cells were induced with 1 μg/mL doxycycline for 12 hr or left untreated. Whole-cell lysate (WCL) blots are shown for actin, HA(-NleL), Ub, & K6 chains. Western blots with the K6 affimer are also shown after Ub enrichment using TUBEs.(B) TUBE-PD of HEK293 cells after 1 hr of MG132 (10 μM) without further treatment (−) or with additional UV (40 J/m2) or CCCP treatment (10 μM for 1 hr) & subsequently blotted with the K6 affimer. Input controls are shown for total Ub & actin & gamma H2AX. The relative signal increase from two experiments is shown below the respective lanes.(C) Expression of WT or catalytically inactive (C431S) Parkin in HeLa Flp-In cells was induced with 0.2 μg/mL doxycycline for 16 hr. Mitochondria were depolarized with O/A for 2 hr. WCL inputs are shown for total Ub, expressed Parkin, TOM20, & actin. The TUBE-PD was also blotted using the K6 affimer & total Ub.(D) Confocal fluorescence microscopy images of cells as in (B) stained with K6 affimer (green), TOM20 (red), & DAPI (blue). Cells & a magnified area are outlined in white. Scale bars correspond to 20 μm.See also Figure S5. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/28943312), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb300-130_mouse-monoclonal-ubiquitin-antibody-ubi-1-imgenex-img-5021-310202416205134.jpg)
![Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - HUWE1 Assembles K6 Chains In Vitro & In Vivo(A) Table summarizing proteins identified with the corresponding number peptide-spectrum matches (PSMs) in three replicates of DUB-treated K6 affimer pull-downs.(B) In vitro assembly reaction of the HECT E3 HUWE1 with Ub WT, Ub K6R, Ub K11R, & Ub K48R on Coomassie. Arrows indicate K6 diUb.(C) Linkage composition of HUWE1-generated diUb after 1 hr as determined by AQUA MS.(D) AQUA-derived total cellular chain composition of HUWE1−/− HeLa & parental cells after TUBE-based enrichment. Error bars indicate mean ± SD from n = 3. ∗p < 0.05, according to a two-tailed Student’s t test. N.S., not significant.(E) TUBE-PD from a doxycycline-inducible HUWE1 shRNA Ls174T cell line blotted with the K6-specific affimer, with input controls for actin, total Ub, & HUWE1.(F) K6 affimer pull-down in doxycycline-inducible HUWE1 shRNA Ls174T cells blotted against Mfn2. Cells were left untreated or treated with 10 μg/mL MG132 for 4 hr and/or 1 μg/mL doxycycline for 72 hr. Pull-downs were incubated with 250 nM USP21 as indicated, with a K48 blot to show completeness of the deubiquitination reaction. Input controls are shown for Mfn2, actin, & HUWE1.See also Figure S7. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/28943312), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb300-130_mouse-monoclonal-ubiquitin-antibody-ubi-1-imgenex-img-5021-3102024162181.jpg)
![Western Blot: Ubiquitin Antibody (Ubi-1) [NB300-130] - In Vivo Applications of Affimers(A) HA-NleL 293 T-Rex cells were induced with 1 μg/mL doxycycline for 12 hr or left untreated. Whole-cell lysate (WCL) blots are shown for actin, HA(-NleL), Ub, & K6 chains. Western blots with the K6 affimer are also shown after Ub enrichment using TUBEs.(B) TUBE-PD of HEK293 cells after 1 hr of MG132 (10 μM) without further treatment (−) or with additional UV (40 J/m2) or CCCP treatment (10 μM for 1 hr) & subsequently blotted with the K6 affimer. Input controls are shown for total Ub & actin & gamma H2AX. The relative signal increase from two experiments is shown below the respective lanes.(C) Expression of WT or catalytically inactive (C431S) Parkin in HeLa Flp-In cells was induced with 0.2 μg/mL doxycycline for 16 hr. Mitochondria were depolarized with O/A for 2 hr. WCL inputs are shown for total Ub, expressed Parkin, TOM20, & actin. The TUBE-PD was also blotted using the K6 affimer & total Ub.(D) Confocal fluorescence microscopy images of cells as in (B) stained with K6 affimer (green), TOM20 (red), & DAPI (blue). Cells & a magnified area are outlined in white. Scale bars correspond to 20 μm.See also Figure S5. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/28943312), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb300-130_mouse-monoclonal-ubiquitin-antibody-ubi-1-imgenex-img-5021-310202416205121.jpg)
![Western Blot: Ubiquitin Antibody [NB300-129] - Analysis of HEK293 cell lysates using rabbit Ubiquitin antibody, dilution 1:5000 (Green), and mouse beta-Tubulin antibody, dilution 1:10000 (Red) used as a loading control. [1] protein standard (Red), [2] cells maintained in normal medium, [3] cells treated with proteasome inhibitor lactacystin (Lc) at 10uM for 16 hours. Lysed cells were lysed and the lysate subjected to electrophoresis on a 4-20% SDS-PAGE gel, then electrophoretically transferred to PVDF membranes. The smear detected above the 200kDa standard represents accumulations of ubiquitinated proteins in the Lc treated cells. The prominent band at ~8kDa corresponds to monoubiquitin.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Western-Blot-NB300-129-img0009.jpg "Western Blot: Ubiquitin Antibody [NB300-129] - Analysis of HEK293 cell lysates using rabbit Ubiquitin antibody, dilution 1:5000 (Green), and mouse beta-Tubulin antibody, dilution 1:10000 (Red) used as a loading control. [1] protein standard (Red), [2] cells maintained in normal medium, [3] cells treated with proteasome inhibitor lactacystin (Lc) at 10uM for 16 hours. Lysed cells were lysed and the lysate subjected to electrophoresis on a 4-20% SDS-PAGE gel, then electrophoretically transferred to PVDF membranes. The smear detected above the 200kDa standard represents accumulations of ubiquitinated proteins in the Lc treated cells. The prominent band at ~8kDa corresponds to monoubiquitin.")
![Immunocytochemistry/Immunofluorescence: Ubiquitin Antibody [NB300-129] - Analysis of HeLa cells stained with rabbit pAb to ubiquitin, NB300-129, dilution 1:1,000 in red, and costained with chicken pAb to vimentin, dilution 1:10,000, in green. The blue is DAPI staining of nuclear DNA. [A] Control HeLa cells maintained in normal medium, [B] HeLa cells treated with 10uM of the proteasome inhibitor lactacystin (Lc) for 24 hours. Proteasomal inhibition leads to formation of strongly ubiquitin positive cytoplasmic inclusions. Note the diffuse cytoplasmic ubiquitin staining in control cells and well defined ubiquitin positive inclusions in the Lc treated cells.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Immunocytochemistry-Immunofluorescence-NB300-129-img0008.jpg)
![Immunohistochemistry-Paraffin: Ubiquitin Antibody [NB300-129] - IHC staining of Ubiquitin in human rectal cancer using DAB with hematoxylin counterstain.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Immunohistochemistry-Paraffin-NB300-129-img0002.jpg)
![Immunocytochemistry/Immunofluorescence: Ubiquitin Antibody [NB300-129] - Immunofluorescent staining of aggresomes of mouse L-cells treated with lactacysteine, using NB300-129.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-Immunocytochemistry-Immunofluorescence-NB300-129-img0001.jpg)
![Analysis of LC3B in HeLa cells using anti-LC3B antibody (red) [Catalog # NB600-1384]. Nuclei were counterstained with DAPI (blue).](http://images.novusbio.com/fullsize/LC3B-Antibody---BSA-Free-Immunocytochemistry-Immunofluorescence-NB600-1384-img0033.jpg)
![Analysis of LC3B in treated U87-MG (human glioblastoma astrocytoma) lysates using anti- [Catalog # NB600-1384].](http://images.novusbio.com/fullsize/LC3B-Antibody---BSA-Free-Western-Blot-NB600-1384-img0027.jpg)
![Staining of treated U373-MG (human glioblastoma) cells using anti- [Catalog # NB600-1384].](http://images.novusbio.com/fullsize/LC3B-Antibody---BSA-Free-Immunocytochemistry-Immunofluorescence-NB600-1384-img0030.jpg)
![Analysis of U87MG glioma xenografts using anti- [Catalog # NB600-1384]. Image from verified customer review.](http://images.novusbio.com/fullsize/LC3B-Antibody---BSA-Free-Immunohistochemistry-Paraffin-NB600-1384-img0023.jpg)
![Immunocytochemistry/ Immunofluorescence: LC3B Antibody - BSA Free [NB600-1384] - Assesment of functional basal autophagy in vitro(A) Immunoblotting of LC3B & p62 upon pharmacological autophagy inhibition. A dose-dependent increase of LC3B & p62 was observed with increasing concentrations of chloroquine. (B) Immunofluorescence of LC3B & p62 upon pharmacological autophagy inhibition. I. In CC cell lines HT-29 & II. LoVo a dose-dependent increase of LC3B & p62 was observed with increasing concentrations of chloroquine. (C) Electron microscopy of CC cell lines pharmacological autophagy inhibition. I-III. In CC cell line HT-29 a dose-dependent increase of cytoplasmic vesicles was observed with increasing concentrations of CQ. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/28903368), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-310202415384116.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Phosphorylation of AKT & mTOR decreases after treatment with gemcitabine (GCB)A LM7, CCH-OS-D, & K7M3 osteosarcoma cells were treated with 1μM GCB & cell lysates were analyzed by immunoblotting with specific antibodies for AKT, mTOR, p-AKT, & p-mTOR. beta -actin was used as a loading control. Densitometry was performed using ImageJ. B. & C. Following treatment with GCB, lysates were analyzed using the Human Phospho Kinase Antibody Array. The phosphorylation levels of AKT, mTOR, PRAS40, p70S6K, JNK, AMPK, & ERK were evaluated. Densitometry was performed using Image J. Values were graphed as relative fold change. Means ± standard deviation of three independent experiments are shown. Image collected & cropped by CiteAb from the following publication (//www.oncotarget.com/lookup/doi/10.18632/oncotarget.20308), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-310202415304227.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Autophagy decreases during striatal development. (A) Representative Western blot images for LC3B, p62, DARPP32, & actin. Quantification of (B) LC3B-ii relative to actin, (C) LC3B-ii relative to LC3B-i, (D) p62 relative to actin normalized to P120 values. Data analyzed with one-way ANOVA; (B) Age: F(4,21) = 6.526, p = 0.0014; (C) Age: F(4,22) = 3.797, p = 0.0171; (D) Age: F(4,15) = 3.762, p = 0.0260. *p 0.01); (b) FTC-133/TPC-1 cells transfected with HMGB1 shRNA & control shRNA were starved by HBSS for 3 h & then treated with rapamycin (1 μM) for 12 h. Flow cytometry was performed for measuring the ROS level by a DCFH-DA probe in indicated cells. Rap, rapamycin. (n = 3, *P 0.01); (c) FTC-133/TPC-1 cells were transfected with HMGB1 shRNA & control shRNA & then starved by HBSS for 3 h. ATP levels were detected by ATP Assay Kit (n = 3, *P > 0.01); (d) FTC-133/TPC-1 cells were pretreated with NAC (2 mM) & then starved by HBSS for 3 h. LC3-I/II, NIS, p-AMPK, AMPK, p-mTOR, mTOR, p-p70S6K & p70S6K levels were assayed by Western blot; (e) FTC-133/TPC-1 cells transfected with HMGB1 shRNA & control shRNA were starved by HBSS for 3 h & then treated with rapamycin (1 μM) for 12 h. LC3-I/II, NIS, p-mTOR & mTOR levels were assayed by Western blot. Rap, rapamycin Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31331356), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-31020241617143.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Serum starvation induces autophagy & apoptosis in endothelial cells.A Evaluation by Hoechst 33342 & propidium iodide (HO/PI) staining of apoptosis & necrosis in HUVECs exposed to normal medium (N) or serum-starved (SS) for 4 h. P values obtained by unpaired t test. n = 10 for each condition. Scale bar = 25 μm. B Quantification of caspase-3 activity in HUVECs exposed to N or SS HUVECs for 1, 2, 3, & 4 h. P values obtained by one-way ANOVA. n = 4 for each condition. C Immunoblot & densitometric analysis of PARP, LC3, & SQSTM1/p62 in HUVECs exposed to N or SS for 1, 2, or 4 h. beta -actin (ACTB) was used as a loading control. P values obtained by unpaired t test (*P 0.01, **P > 0.01); (d) Dynamic uptaking: FTC-133/TPC-1 cells were transfected with HMGB1 shRNA & control shRNA & starved by HBSS for 3 h. Indicated cells were cultured with 175 KBq 131I for 5, l0, 20, 30, 60, 90 & 120 min. The uptake of 131I in indicated cells was detected by a gamma counter; (e) Radionuclide uptaking: FTC-133/TPC-1 cells were transfected with HMGB1 shRNA & control shRNA in the presence or absence of 3-MA (10 mM) treatment for 1 h & then starved by HBSS for 3 h. After 1-h incubating with 131I, the uptake of 131I in indicated cells was detected by a gamma counter (n = 3, *P 0.01); (f) FTC-133/TPC-1 cells transfected with HMGB1 shRNA & control shRNA were starved by HBSS for 3 h & then treated with rapamycin (1 μM) for 12 h. After 1-h incubating with 131I, the uptake of 131I in indicated cells was detected by a gamma counter. Rap, rapamycin. (n = 3, *P 0.01) Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31331356), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-310202416161815.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - ROS was sufficient for inducing HMGB1 translocation & enhancing autophagy (a) FTC-133/TPC-1 cells were pretreated with the antioxidant (NAC, 2 mM) for 1 h & then starved by HBSS for 3 h. ROS production was assessed by measuring the fluorescent intensity of DCF on a fluorescent plate reader. Incremental production of ROS was expressed as a percentage of control (n = 3, *P 0.01); (b) FTC-133/TPC-1 cells transfected with HMGB1 shRNA & control shRNA were starved by HBSS for 3 h & then treated with rapamycin (1 μM) for 12 h. Flow cytometry was performed for measuring the ROS level by a DCFH-DA probe in indicated cells. Rap, rapamycin. (n = 3, *P 0.01); (c) FTC-133/TPC-1 cells were transfected with HMGB1 shRNA & control shRNA & then starved by HBSS for 3 h. ATP levels were detected by ATP Assay Kit (n = 3, *P > 0.01); (d) FTC-133/TPC-1 cells were pretreated with NAC (2 mM) & then starved by HBSS for 3 h. LC3-I/II, NIS, p-AMPK, AMPK, p-mTOR, mTOR, p-p70S6K & p70S6K levels were assayed by Western blot; (e) FTC-133/TPC-1 cells transfected with HMGB1 shRNA & control shRNA were starved by HBSS for 3 h & then treated with rapamycin (1 μM) for 12 h. LC3-I/II, NIS, p-mTOR & mTOR levels were assayed by Western blot. Rap, rapamycin Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31331356), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-310202416182641.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Fucoxanthin activated autophagy after TBI.(A) Representative images of immunofluorescence for LC3 surrounding the injured cortex. LC3 punctate dots were observed in the cytoplasm by immunofluorescent staining of LC3 (red). Neuron cells & nuclei are labeled with NeuN (green) & DAPI (blue), respectively. Magnification: 40 x. Scale bar: 50 mm. (B) Mice brain tissues were collected 1 day after TBI in different groups, & the expression of LC3, Beclin-1 & p62 was measured by western blot. Fucoxanthin treatment significantly increased the level of LC3-II & Beclin-1 while decreasing the level of p62 after TBI. (C) 3-MA (400 nM) was injected i.c.v. 30 min before TBI. Mice were then subjected to TBI & treatment of fucoxanthin 30 min after TBI. Pretreatment with 3-MA significantly attenuated fucoxanthin-induced activation of autophagy & suppression of apoptosis & oxidative stress in the ipsilateral cortex. Data are presented as mean ± SEM, n = 6 per group; **p 0.01, **P > 0.01); (d) Dynamic uptaking: FTC-133/TPC-1 cells were transfected with HMGB1 shRNA & control shRNA & starved by HBSS for 3 h. Indicated cells were cultured with 175 KBq 131I for 5, l0, 20, 30, 60, 90 & 120 min. The uptake of 131I in indicated cells was detected by a gamma counter; (e) Radionuclide uptaking: FTC-133/TPC-1 cells were transfected with HMGB1 shRNA & control shRNA in the presence or absence of 3-MA (10 mM) treatment for 1 h & then starved by HBSS for 3 h. After 1-h incubating with 131I, the uptake of 131I in indicated cells was detected by a gamma counter (n = 3, *P 0.01); (f) FTC-133/TPC-1 cells transfected with HMGB1 shRNA & control shRNA were starved by HBSS for 3 h & then treated with rapamycin (1 μM) for 12 h. After 1-h incubating with 131I, the uptake of 131I in indicated cells was detected by a gamma counter. Rap, rapamycin. (n = 3, *P 0.01) Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31331356), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-31020241616376.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Metformin treatment increases cisplatin effects; (A) MDA-MB-231 & Ca Ski cells were either left untreated or treated with metformin or cisplatin alone or metformin in combination with cisplatin for 15 days. At the end of the treatment, cells were processed to obtain whole cell lysates. MAP1LC3B, pPRKAA2Thr172, PRKAA2 & CASP3 (cleaved) expression was determined by Western blot. ACTB was used as loading control. Densitometric analysis of the gels was performed as described under Materials & Methods; (B) MDA-MB-231 & Ca Ski cells were either left untreated or treated with metformin or cisplatin alone or metformin in combination with cisplatin for 15 days. Ammonia level in the culture medium was measured as indicated in the Material & Methods section. # Significantly different from treatment with metformin alone. All experiments in this figure were repeated three times. * Significantly different from control untreated cells. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/30646605), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-31020241618938.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Autophagy & the proteasome regulate CagA stability. (A) Wild-type (WT) & autophagy-deficient (Atg5−/−) MEFs were infected with a CagA+ vacA− isogenic mutant strain (MOI 100) for 8 hours using a gentamycin protection assay. The autophagy marker LC3-II was used to confirm that Atg5−/− MEFs are autophagy-deficient. CagA protein levels were measured by Western blotting using beta -actin as loading control. Graph shows fold change of CagA normalized to beta -actin relative to WT MEFs (mean + SEM; n = 4). (B) AGS cells were infected with a CagA+ vacA− isogenic mutant strain (MOI 50) for 19 hours using a gentamycin protection assay. MG132 (5 μM) was added during the 14-hour low-dose gentamycin incubation. DMSO was used as a vehicle control. CagA protein levels were measured by Western blotting using beta -actin as loading control. Graph shows fold change of CagA normalized to beta -actin relative to vehicle control (mean + SEM; n = 6). (C) AGS cells were infected with a CagA+ vacA− isogenic mutant strain (MOI 50) for 24 hours using a gentamycin protection assay. Lactacystin (10 μM) was added during the 19-hour low-dose gentamycin incubation. Water was used as a vehicle control. CagA protein levels were measured by Western blotting using beta -actin as loading control. Graph shows fold change of CagA normalized to beta -actin relative to vehicle control (mean + SEM; n = 5). Relevant gel bands were cropped from the original blots. Dotted line indicates slicing of two regions together from the same blot. Statistical analysis was performed using Student’s t-test. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/30631092), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-310202416173533.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Vps34 activity is required for maintaining LC3B-ii levels at P10 & mTOR inhibition increases p-Beclin-1 & LC3B-ii levels at P28. (A) Representative Western blot images for actin, DARPP32 & LC3B-i & -ii in striatal slices obtained from P10 or P28 mice, treated with SAR405 (1 μM) or vehicle (Veh; DMSO, 0.1%). (B,C) Quantification of LC3B-ii relative to actin, normalized to vehicle condition at each age. (B) P10: unpaired, two-tailed t-test, t11 = 2.985, p = 0.0124; P28: unpaired, two-tailed t-test, t24 = 1.807, p = 0.0922. P10: Veh: n = 6 slices, SAR405 n = 7 slices from 3 to 4 mice/age. (C) P28: Veh: n = 9 slices, Baf n = 7 slices from 3 to 4 mice/age. *p 0.05 versus untreated group). C. Morphological features of NB4 cells that were treated with ATRA (1 μM) or HMGB1 (1 μg/ml) was determined by Wright-Giemsa staining & visualized by light microscopy (100X magnification). D. Differentiation of NB4 cells treated with ATRA (1 μM) or HMGB1 (10 μg/ml) for 6-48 h was examined by NBT reduction & surface CD11b expression in comparison to the control (DMSO) (n=3, *P<0.05 versus ATRA group). E. Expression of PML-RAR alpha , P62 & LC3-I/II in NB4 cells treated with ATRA (1 μM) or HMGB1 (10 μg/ml) for 48 h was assayed by western blotting & co-immunoprecipitation in comparison to control (DMSO). Image collected & cropped by CiteAb from the following publication (//www.oncotarget.com/lookup/doi/10.18632/oncotarget.15432), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-310202416171499.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Zearalenone (ZEN) induced endoplasmic reticulum (ER) stress & autophagy in HepG2 cells. mRNA level & protein expression were determined by quantitative real-time polymerase chain reaction (qRT-PCR) & Western blot analysis, respectively. (A) The protein expression level of GRP78 was measured in cells treated with ZEN for 1 h. (B) The phosphorylation of eIF2 alpha was evaluated in cells treated with ZEN for 2 h. (C) CHOP mRNA levels, (D) Beclin1 mRNA levels, & (E) LC3-II mRNA levels were determined in cells treated with ZEN for 4 h. (F) The protein expression level of LC3-II/LC3-I was examined in cells treated with ZEN for 24 h. Data represent mean ± SEM of three independent experiments. * indicates significant difference vs. the control (** p < 0.01, & *** p < 0.001). Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/31861425), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-310202416154612.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - ATRA induces autophagy in SKBR3 cells. (a) SKBR3 & MDA-MB-453 breast cancer cells were treated either with 0.1 or 1 μM ATRA for 2 & 4 days, respectively. beta -Catenin & LC3B levels were measured by western blotting. GAPDH was used as a loading control. (b) LC3B-II quantification from at least three independent experiments. LC3B-II expression was normalized to GAPDH & to vehicle-treated SKBR3 cells. (c) beta -Catenin staining of SKBR3 & MDA-MB453 cells. Cells were control or ATRA (1 μM) treated for 2 days. beta -Catenin FITC (fluorescein isothiocyanate) & nuclear DAPI (4',6-diamidino-2-phenylindole) staining as analyzed by confocal microscopy are shown. (d) Quantification of endogenous LC3B puncta. LC3B in SKBR3 & MDA-MB453 cells treated with 1 μM ATRA for 2 days. (e) LC3B-II western blotting & quantification of the autophagic activation upon treatment with 1 μM ATRA for 2 days in the presence or absence of BafA for 2 h at 200 nM. LC3B-II levels were normalized to GAPDH & to vehicle-treated SKBR3 cells. Standard deviations for five independent experiments are shown. (f) Long-lived protein degradation assay of SKBR3 & MDA-MB453 cells treated as in (e). Radioactivity was determined by liquid scintillation counting of at least three independent experiments. Absolute proteolysis is shown. (g) Long-lived protein degradation assay of SKBR3 treated as in (e) & including treatment with the macroautophagy-specific inhibitor 3-MA (10 mM). Analysis as in (f). Mann–Whitney U-test: *P<0.05, **P<0.01, ***P<0.001 & ****P<0.0001 Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/cddis2015236), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-31020241616052.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - CA1 Tg mice undergo mitochondrial stress. a WB analysis of extracts from 6-mo Wt & Tg mice CA1 (Wt, n = 6; Tg, n = 7), using antibodies against SIRT3, SOD2 & acetylated SOD2. b WB analysis of extracts from 12-mo Wt & Tg mice hippocampi (Wt, n = 5; Tg, n = 5). Data are presented as mean ± SEM (**P < 0.01; ***P < 0.001). WB analysis of extracts from 6-mo Wt & Tg mice CA1 (Wt, n = 6; Tg, n = 5) (c), & from 12-mo Wt & Tg mice hippocampi (Wt, n = 5; Tg, n = 5) (d) for PINK1 & LC-3. Data are presented as mean ± SEM, *P < 0.05. WB analysis of extracts from 6-mo WT & Tg mice CA1 (WT, n = 5; Tg, n = 6) (e), & from 12-mo WT & Tg mice hippocampi (WT, n = 5; Tg, n = 5) (f) for TFAM. Data are presented as mean ± SEM (*P < 0.05), **P < 0.01). Actin was used as loading control Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32131898), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-31020241616181.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - ATRA induces autophagy in SKBR3 cells. (a) SKBR3 & MDA-MB-453 breast cancer cells were treated either with 0.1 or 1 μM ATRA for 2 & 4 days, respectively. beta -Catenin & LC3B levels were measured by western blotting. GAPDH was used as a loading control. (b) LC3B-II quantification from at least three independent experiments. LC3B-II expression was normalized to GAPDH & to vehicle-treated SKBR3 cells. (c) beta -Catenin staining of SKBR3 & MDA-MB453 cells. Cells were control or ATRA (1 μM) treated for 2 days. beta -Catenin FITC (fluorescein isothiocyanate) & nuclear DAPI (4',6-diamidino-2-phenylindole) staining as analyzed by confocal microscopy are shown. (d) Quantification of endogenous LC3B puncta. LC3B in SKBR3 & MDA-MB453 cells treated with 1 μM ATRA for 2 days. (e) LC3B-II western blotting & quantification of the autophagic activation upon treatment with 1 μM ATRA for 2 days in the presence or absence of BafA for 2 h at 200 nM. LC3B-II levels were normalized to GAPDH & to vehicle-treated SKBR3 cells. Standard deviations for five independent experiments are shown. (f) Long-lived protein degradation assay of SKBR3 & MDA-MB453 cells treated as in (e). Radioactivity was determined by liquid scintillation counting of at least three independent experiments. Absolute proteolysis is shown. (g) Long-lived protein degradation assay of SKBR3 treated as in (e) & including treatment with the macroautophagy-specific inhibitor 3-MA (10 mM). Analysis as in (f). Mann–Whitney U-test: *P<0.05, **P<0.01, ***P<0.001 & ****P<0.0001 Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/cddis2015236), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-310202416182623.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - Bmi‐1 deficiency aggravates cardiac hypertrophy & decreases autophagic flux. (A) Representative micrographs of paraffin‐embedded heart ventricular wall sections of 6‐week‐old Bmi‐1–/– mice & WT mice stained for haematoxylin‐eosin (H&E), wheat germ agglutinin (WGA) & Masson's trichrome (Masson) staining. (B) Heart weight relative to body weight (HW/BW) & heart weight relative to tibia length (HW/TL). (C) The wall thickness of interventricular septum. (D) Myocyte cross‐sectional area from Bmi‐1–/– mice relative to WT mice. (E) Collagenous fibre area from Bmi‐1–/– mice relative to WT mice was counted with anterior wall staining for Masson. (F) Anp, Bnp, beta ‐MHC, c‐TnI & GATA4 mRNA levels in hearts by real‐time RT‐PCR, calculated as ratio to beta ‐actin mRNA & expressed relative to WT. (G) Western blots of cardiac tissue extracts & mouse embryonic cardiomyocytes (MECs) showing ANP, BNP, GATA4, LC3B & p16; beta ‐actin was the loading control. (H) Protein levels relative to beta ‐actin were assessed by densitometric analysis. (I) Representative micrographs of paraffin‐embedded heart sections immunohistochemical staining for ANP, BNP & GATA4. (J) The percentage of cells positive for ANP, BNP, GATA4 or positive area relative to total cells or area. (K) Representative micrographs of fluorescence with autophagy lentivirus transfection, with DAPI for nuclei. (L) Percentage of positive GFP dots or mRFP dots relative to total cells. (M) The number of autophagosomes & autolysosomes per cell. Six mice per group were used for experiments. Cell experiments were performed with three biological repetitions per group. Values are mean ± SEM from six determinations per group, *p < .05, **p < .01, ***p < .001 compared with WT group, unpaired Student's t‐test Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/35390228), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-31020241618262.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - 8-Cl-Ado-induces autophagy. Immunoblot analysis of (A) phospho-ULK (Ser555) levels & (B) LC3B-I lipidation to form LC3B-II in MCF-7 & BT-474 cells treated with 10 μM of 8-Cl-Ado for the indicated times. (C) Fluorescent microscopy of MCF-7 & BT-474 cells transiently transfected with GFP-LC3B & treated with 10 μM of 8-Cl-Ado for 12-hours to assess aggregation of LC3B. (D) Immunoblot analysis of p62 levels in MCF-7 & BT-474 cells treated with 10 μM of 8-Cl-Ado for the indicated times. The normalized ratio of p62 to GAPDH relative to the untreated control is indicated beneath each lane. (E) Fluorescent microscopic imaging of autolysosomes. MCF-7 cells were untreated or treated for 2-days with 8-Cl-Ado or rapamycin. Cells were stained with MDC, blue, to visualize AVO & Syto 61 (DNA), red, for nuclei counterstaining. (F) Representative flow cytometery histograms of AVO stained with acridine orange in MCF-7 cells untreated or treated for 3 days with 50 nM rapamycin or 10 μM 8-Cl-Ado. Baf was added before 30 min prior to staining to neutralize AVO staining. (G) Quantification triplicate experiments of MCF-7 & BT-474 cells treated & analyzed as in E. Image collected & cropped by CiteAb from the following publication (//jhoonline.biomedcentral.com/articles/10.1186/1756-8722-7-23), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-31020241617525.jpg)
![Western Blot: LC3B Antibody - BSA Free [NB600-1384] - PB induces autophagy but blocks autophagosome trafficking & autophagosome-lysosome fusion in Hep3B cells.(A) Hep3B cells, HepG2 cells, & primary mouse hepatocytes treated w/ increasing concentrations of PB (6–2000 μg/mL) for 24 h; viable cells quantified using the MTT assay. Data are presented as mean ± SD from at least 3 independent experiments. Bars = SD. *P < 0.05, **P < 0.01, ***P < 0.001, control versus PB-treated cells. (B) Hep3B cells treated for 6, 24 & 48 h w/ indicated concentrations of PB. Levels of protein expression analysed by WB using antibodies against LC3B, p62/SQSTM1, ATG12, BECN1 & Actin. Images cropped from different blots run under the same experimental conditions. The original blots attached as Supplementary Figure 3A. (C) Hep3B cells transfected w/ GFP-LC3B treated w/ 240 μg/mL PB for 24 h & then observed under a confocal microscope. (D) Hep3B cells treated for 24 h w/ indicated concentrations of PB. Levels of protein expression analysed by WB using antibodies against phosphorylated & total mTOR, 4EBP1, & p70S6K1 as well as actin. Images cropped from different blots run under the same experimental conditions. The original blots attached as Supplementary Figure 3B. (E) Hep3B cells serum-starved overnight, & incubated w/ or w/out PB (240 μg/mL) for 6 h before stimulating w/ 20 ng/mL EGF for 20 min. EGFR protein levels analysed by confocal microscope. (F) Hep3B cells treated PB for 12, 24 or 48 h w/ indicated concentrations. Levels of protein expression analysed by WB using antibodies against EGFR & Actin. Images cropped from different blots run under the same experimental conditions in each panel. The original blots attached as Supplementary Figure 3C. Image collected & cropped by CiteAb from the following publication (//www.nature.com/articles/srep41437), licensed under a CC-BY license. Not internally tested by Novus Biologicals.](http://images.novusbio.com/fullsize/nb600-1384_rabbit-polyclonal-lc3b-antibody-31020241618948.jpg)
![Western Blot: Ubiquitin Antibody (1B4-UB) [NB600-776] - GST-ubiquitin detected with Mouse anti-Ubiquitin.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-1B4-UB-Western-Blot-NB600-776-img0002.jpg "Western Blot: Ubiquitin Antibody (1B4-UB) [NB600-776] - GST-ubiquitin detected with Mouse anti-Ubiquitin.")
![Immunohistochemistry-Paraffin: Ubiquitin Antibody (1B4-UB) [NB600-776] - Staining of human tonsil.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-1B4-UB-Immunohistochemistry-Paraffin-NB600-776-img0003.jpg)
![Immunohistochemistry-Paraffin: Ubiquitin Antibody (1B4-UB) [NB600-776] - Human hypophysis.](http://images.novusbio.com/fullsize/Ubiquitin-Antibody-1B4-UB-Immunohistochemistry-Paraffin-NB600-776-img0001.jpg)