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Recombinant Human IL-6 Protein, CF

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Recombinant Human IL-6 (Catalog # 206-IL/CF) has a molecular weight (MW) of 23.1 kDa as analyzed by SEC-MALS, suggesting that this protein is a monomer.
Recombinant Human IL-6 (Catalog # 206‑IL) stimulates cell proliferation of the T1165.85.2.1 mouse plasmacytoma cell line. The ED50 for this effect is 0.2‑0.8 ng/mL.
1 μg/lane of Recombinant Human IL-6 was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a single band at 21 kDa.
Equivalent bioactivity of GMP (206-GMP), Animal-Free (AFL206), and RUO (Catalog # 206-IL/CF) grades of Recombinant Human IL-6 as measured in cell proliferation assay (orange, green, red, respectively).

Product Details

Summary
Reactivity HuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

Order Details

Recombinant Human IL-6 Protein, CF Summary

Additional Information
A New rhIL-6 is Available! It is catalog # 7270-IL/CF. The new protein has ~2 fold better activity and is HEK293 expressed!
Details of Functionality
Measured in a cell proliferation assay using T1165.85.2.1 mouse plasmacytoma cells. Nordan, R.P. et al. (1987) J. Immunol. 139:813. The ED50 for this effect is 0.2-0.8 ng/mL.
Source
E. coli-derived human IL-6 protein
Pro29-Met212
Accession #
N-terminal Sequence
Pro29
Protein/Peptide Type
Recombinant Proteins
Gene
IL6
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
20.9 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publications using
206-IL/CF in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS and NaCl.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 100-200 μg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human IL-6 Protein, CF

  • B-cell differentiation factor
  • B-cell stimulatory factor 2
  • BSF2
  • BSF-2
  • CDF
  • CTL differentiation factor
  • HSF
  • hybridoma growth factor
  • IFNB2
  • IFN-beta-2
  • IL6
  • IL-6
  • Interferon beta-2
  • interleukin 6 (interferon, beta 2)
  • interleukin BSF-2
  • interleukin-6
  • MGI-2A

Background

Interleukin-6 (IL-6) is a pleiotropic, alpha -helical, 22-28 kDa phosphorylated and variably glycosylated cytokine that plays important roles in the acute phase reaction, inflammation, hematopoiesis, bone metabolism, and cancer progression (1-5). Mature human IL-6 is 183 amino acids (aa) in length and shares 39% aa sequence identity with mouse and rat IL-6 (6). Alternative splicing generates several isoforms with internal deletions, some of which exhibit antagonistic properties (7-10). IL-6 induces signaling through a cell surface heterodimeric receptor complex composed of a ligand binding subunit (IL-6 R alpha) and a signal transducing subunit (gp130). IL-6 binds to IL-6 R alpha , triggering IL-6 R alpha association with gp130 and gp130 dimerization (11). gp130 is also a component of the receptors for CLC, CNTF, CT-1, IL-11, IL-27, LIF, and OSM (12). Soluble forms of IL-6 R alpha are generated by both alternative splicing and proteolytic cleavage (5). In a mechanism known as trans-signaling, complexes of soluble IL-6 and IL-6 R alpha elicit responses from gp130-expressing cells that lack cell surface IL-6 R alpha (5). Trans-signaling enables a wider range of cell types to respond to IL-6, as the expression of gp130 is ubiquitous, while that of IL-6 R alpha is predominantly restricted to hepatocytes, monocytes, and resting lymphocytes (2, 5). Soluble splice forms of gp130 block trans-signaling from IL-6/IL-6 R alpha but not from other cytokines that use gp130 as a co-receptor (5, 13). IL-6, along with TNF-alpha and IL-1, drives the acute inflammatory response and the transition from acute inflammation to either acquired immunity or chronic inflammatory disease (1-5). When dysregulated, it contributes to chronic inflammation in obesity, insulin resistance, inflammatory bowel disease, arthritis, sepsis, and atherosclerosis (1, 2, 5). IL-6 can also function as an anti-inflammatory molecule, as in skeletal muscle where it is secreted in response to exercise (2). In addition, it enhances hematopoietic stem cell proliferation and the differentiation of Th17 cells, memory B cells, and plasma cells (1, 14).
  1. Mansell, A. and B.J. Jenkins (2013) Cytokine Growth Factor Rev. 24:249.
  2. Schuett, H. et al. (2009) Thromb. Haemost. 102:215.
  3. Erta, M. et al. (2012) Int. J. Biol. Sci. 8:1254.
  4. Garbers, C. et al. (2012) Cytokine Growth Factor Rev. 23:85.
  5. Mihara, M. et al. (2012) Clin. Sci. (Lond.) 122:143.
  6. Hirano, T. et al. (1986) Nature 324:73.
  7. Kestler, D.P. et al. (1995) Blood 86:4559.
  8. Kestler, D.P. et al. (1999) Am. J. Hematol. 61:169.
  9. Bihl, M.P. et al. (2002) Am. J. Respir. Cell Mol. Biol. 27:48.
  10. Alberti, L. et al. (2005) Cancer Res. 65:2.
  11. Murakami, M. et al. (1993) Science 260:1808.
  12. Muller-Newen, G. (2003) Sci. STKE 2003:PE40.
  13. Mitsuyama, K. et al. (2006) Clin. Exp. Immunol. 143:125.
  14. Cerutti, A. et al. (1998) J. Immunol. 160:2145.

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206-IL/CF
Species: Hu
Applications: Bioactivity

Publications for IL-6 (206-IL/CF)(351)

We have publications tested in 12 confirmed species: Human, Mouse, Rat, Bovine, Chicken, Hamster, Porcine, Primate - Chlorocebus pygerythrus (Vervet Monkey), Primate - Macaca mulatta (Rhesus Macaque), Primate - Pan troglodytes (Chimpanzee), Rabbit, Transgenic Mouse.

We have publications tested in 13 applications: Bioassay, Cell Culture, Control, Differentiation, ELISA (Standard), ELISA Capture, ELISA Standard, IHC-P, In Vivo, Proximity Ligation Assay (PLA), Spheroid Culture, Stimulation, cell cutlure.


Filter By Application
Bioassay
(299)
Cell Culture
(16)
Control
(1)
Differentiation
(2)
ELISA (Standard)
(15)
ELISA Capture
(1)
ELISA Standard
(4)
IHC-P
(1)
In Vivo
(7)
Proximity Ligation Assay (PLA)
(1)
Spheroid Culture
(1)
Stimulation
(1)
cell cutlure
(1)
All Applications
Filter By Species
Human
(300)
Mouse
(25)
Rat
(4)
Bovine
(2)
Chicken
(1)
Hamster
(1)
Porcine
(1)
Primate - Chlorocebus pygerythrus (Vervet Monkey)
(1)
Primate - Macaca mulatta (Rhesus Macaque)
(6)
Primate - Pan troglodytes (Chimpanzee)
(1)
Rabbit
(1)
Transgenic Mouse
(1)
All Species
Showing Publications 1 - 10 of 351. Show All 351 Publications.
Publications using 206-IL/CF Applications Species
L Feige, T Kozaki, G Dias de Me, V Guillemot, F Larrous, F Ginhoux, H Bourhy Susceptibilities of CNS Cells towards Rabies Virus Infection Is Linked to Cellular Innate Immune Responses Viruses, 2022-12-29;15(1):. 2022-12-29 [PMID: 36680128] (Bioassay, Human) Bioassay Human
Y Fukawa, K Kayamori, M Tsuchiya, T Ikeda IL-1 Generated by Oral Squamous Cell Carcinoma Stimulates Tumor-Induced and RANKL-Induced Osteoclastogenesis: A Possible Mechanism of Bone Resorption Induced by the Infiltration of Oral Squamous Cell Carcinoma International Journal of Molecular Sciences, 2022-12-30;24(1):. 2022-12-30 [PMID: 36614130] (Cell Culture, Mouse) Cell Culture Mouse
MS Ågren, T Litman, JO Eriksen, P Schjerling, M Bzorek, LMR Gjerdrum Gene Expression Linked to Reepithelialization of Human Skin Wounds International Journal of Molecular Sciences, 2022-12-12;23(24):. 2022-12-12 [PMID: 36555389] (cell cutlure, Human) cell cutlure Human
X Liu, N Sato, T Yabushita, J Li, Y Jia, M Tamura, S Asada, T Fujino, T Fukushima, T Yonezawa, Y Tanaka, T Fukuyama, A Tsuchiya, S Shikata, H Iwamura, C Kinouchi, K Komatsu, S Yamasaki, T Shibata, AT Sasaki, J Schibler, M Wunderlich, E O'Brien, B Mizukawa, JC Mulloy, Y Sugiura, H Takizawa, T Shibata, K Miyake, T Kitamura, S Goyama IMPDH inhibition activates TLR-VCAM1 pathway and suppresses the development of MLL-fusion leukemia Embo Molecular Medicine, 2022-12-01;0(0):e15631. 2022-12-01 [PMID: 36453131] (Cell Culture, Human) Cell Culture Human
Kunitomi A, Hirohata R, Arreola V, Osawa M, Kato T, Nomura M, Kawaguchi J, Hara H, Kusano K, Takashima Y, Takahashi K, Fukuda K, Takasu N, Yamanaka S Improved Sendai viral system for reprogramming to naive pluripotency. Cell Rep Methods, 2022-10-17;2(11):100317. 2022-10-17 [PMID: 36447645] (Bioassay, Human) Bioassay Human
M Tayyab, P Xie, MA Sami, H Raji, Z Lin, Z Meng, SR Mahmoodi, M Javanmard A portable analog front-end system for label-free sensing of proteins using nanowell array impedance sensors Scientific Reports, 2022-11-22;12(1):20119. 2022-11-22 [PMID: 36418852] (ELISA Standard, Human) ELISA Standard Human
AKO Rode, TB Buus, V Mraz, FAH Al-Jaberi, DV Lopez, SL Ford, S Hennen, IP Eliasen, IV Klewe, L Gharehdagh, A Dragan, MM Rosenkilde, A Woetmann, L Skov, N Ødum, CM Bonefeld, M Kongsbak-W, C Geisler Induced Human Regulatory T Cells Express the Glucagon-like Peptide-1 Receptor Cells, 2022-08-19;11(16):. 2022-08-19 [PMID: 36010663] (Stimulation, Human) Stimulation Human
YS Michaels, JM Edgar, MC Major, EL Castle, C Zimmerman, T Yin, A Hagner, C Lau, HH Hsu, MI Ibañez-Rio, LJ Durland, DJHF Knapp, PW Zandstra DLL4 and VCAM1 enhance the emergence of T cell-competent hematopoietic progenitors from human pluripotent stem cells Science Advances, 2022-08-24;8(34):eabn5522. 2022-08-24 [PMID: 36001668] (Bioassay, Human) Bioassay Human
MY Wang, CM Zhang, HH Zhou, ZB Ge, CC Su, ZH Lou, XY Zhang, TT Xu, SY Li, L Zhu, YL Zhou, Y Wu, SR Ji Identification of a distal enhancer that determines the expression pattern of acute phase marker C-reactive protein Oncogene, 2022-06-17;0(0):102160. 2022-06-17 [PMID: 35724961] (Bioassay, Human) Bioassay Human
P Sekhri, DK Ledezma, A Shukla, EE Sweeney, R Fernandes The Thermal Dose of Photothermal Therapy Generates Differential Immunogenicity in Human Neuroblastoma Cells Cancers, 2022-03-11;14(6):. 2022-03-11 [PMID: 35326601] (Cell Culture, Human) Cell Culture Human
Show All 351 Publications.

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FAQs for IL-6 (206-IL/CF). (Showing 1 - 1 of 1 FAQs).

  1. I was wondering if you know of any blocking antibodies against IL-6 or VEGF-C that can be used in cell culture to quench these cytokines?
    • We have no antibodies that are currently known to show blocking antibodies to VEGF-C. Please see this link to our IL-6 antibodies with blocking/neutralizing activity can be found at this link.

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The use of a GFP antibody for research applications in transgenic C. elegans, GFP tagged yeast and porcine model
GFP, or green fluorescent protein, is a chemiluminescent protein derived from Aequorea jellyfish that was first discovered by Osamu Shimomura.  It was soon after established that the emission spectra of GFP was right around 509nm, or the ultraviol...  Read full blog post.

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VEGF is homodimeric, disulfide-linked glycoprotein cytokine that serves as the ligand for FLT1 (VEGFR-1 receptor) and FLK1 (VEGFR-2 receptor) tyrosine kinases. It is a key modulator of physiological angiogenesis, vasculogenesis, and endothelial cell g...  Read full blog post.

TLR2 - I can recognize many foreign pathogens!
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Bioinformatics

Gene Symbol IL6
Uniprot