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Recombinant Human IL-6 Protein

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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) grades of Recombinant Human IL-6 as measured in cell proliferation assay (orange, green, red, respectively).

Product Details

Summary
Reactivity HuSpecies Glossary
Applications Bioactivity

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Recombinant Human IL-6 Protein Summary

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 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 with BSA as a carrier protein.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 100-200 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.

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

  • 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
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Publications for IL-6 (206-IL)(364)

We have publications tested in 13 confirmed species: Human, Mouse, Rat, Bovine, Chicken, Hamster, N/A, Porcine, Primate - Chlorocebus pygerythrus (Vervet Monkey), Primate - Macaca mulatta (Rhesus Macaque), Primate - Pan troglodytes (Chimpanzee), Rabbit, Transgenic Mouse.

We have publications tested in 14 applications: Bioassay, Cell Culture, Control, Differentiation, ELISA (Standard), ELISA Capture, ELISA Control, ELISA Standard, IHC-P, In Vivo, Proximity Ligation Assay (PLA), Spheroid Culture, Stimulation, cell cutlure.


Filter By Application
Bioassay
(311)
Cell Culture
(16)
Control
(1)
Differentiation
(2)
ELISA (Standard)
(15)
ELISA Capture
(1)
ELISA Control
(1)
ELISA Standard
(5)
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
(311)
Mouse
(25)
Rat
(4)
Bovine
(2)
Chicken
(1)
Hamster
(1)
N/A
(1)
Porcine
(1)
Primate - Chlorocebus pygerythrus (Vervet Monkey)
(1)
Primate - Macaca mulatta (Rhesus Macaque)
(6)
Primate - Pan troglodytes (Chimpanzee)
(1)
Rabbit
(1)
Transgenic Mouse
(2)
All Species
Showing Publications 1 - 10 of 364. Show All 364 Publications.
Publications using 206-IL Applications Species
Hong, J;Son, M;Sin, J;Kim, H;Chung, DK; Nanoparticles of Lactiplantibacillus plantarum K8 Reduce Staphylococcus aureus Respiratory Infection and Tumor Necrosis Factor Alpha- and Interferon Gamma-Induced Lung Inflammation Nutrients 2023-11-09 [PMID: 38004123] (ELISA Control, Human) ELISA Control Human
Urban, L;Novák, Š;?oma, M;Dvo?ánková, B;Lacina, L;Šáchová, J;Hradilová, M;Svato?ová, P;Kolá?, M;Strnad, H;B?ezinová, J;Smetana, K;Gál, P;Szabo, P; Unravelling heterogeneous effects of cancer?associated fibroblasts on poor prognosis markers in breast cancer EM?G3 cell line: In vitro?targeted treatment (anti?IL-6, anti?VEGF-A, anti?MFGE8) based on transcriptomic profiling Oncology reports 2024-01-01 [PMID: 37975220] (Bioassay, Human) Bioassay Human
Harmange, G;Hueros, RAR;Schaff, DL;Emert, B;Saint-Antoine, M;Kim, LC;Niu, Z;Nellore, S;Fane, ME;Alicea, GM;Weeraratna, AT;Simon, MC;Singh, A;Shaffer, SM; Disrupting cellular memory to overcome drug resistance Nature communications 2023-11-06 [PMID: 37932277] (Bioassay, Human) Bioassay Human
Zhang, X;Xu, X;Chen, J;Wang, G;Li, Q;Li, M;Lu, J; Identification of HHT-9041P1: A novel potent and selective JAK1 inhibitor in a rat model of rheumatoid arthritis International immunopharmacology 2023-10-24 [PMID: 37883818] (Bioassay, Human) Bioassay Human
Alimohammadi, S;Masuda-Kuroki, K;Szöll?si, AG;Di Nardo, A; Factors Influencing Marker Expressions of Cultured Human Cord Blood-Derived Mast Cells International journal of molecular sciences 2023-10-04 [PMID: 37834338] (Bioassay, Human) Bioassay Human
Rangel Rivera, GO;Dwyer, CJ;Knochelmann, HM;Smith, AS;Aksoy, BA;Cole, AC;Wyatt, MM;Kumaresan, S;Thaxton, JE;Lesinski, GB;Paulos, CM; Progressively enhancing stemness of adoptively transferred T cells with PI3K? blockade improves metabolism and anti-tumor immunity Cancer research 2023-10-06 [PMID: 37801615] (Bioassay, Transgenic Mouse) Bioassay Transgenic Mouse
Odell, ID;Agrawal, K;Sefik, E;Odell, AV;Caves, E;Kirkiles-Smith, NC;Horsley, V;Hinchcliff, M;Pober, JS;Kluger, Y;Flavell, RA; IL-6 trans-signaling in a humanized mouse model of scleroderma Proceedings of the National Academy of Sciences of the United States of America 2023-09-12 [PMID: 37669366] (Bioassay, Human) Bioassay Human
Twarog, M;Schustak, J;Xu, Y;Coble, M;Dolan, K;Esterberg, R;Huang, Q;Saint-Geniez, M;Bao, Y; TNF? induced by DNA-sensing in macrophage compromises retinal pigment epithelial (RPE) barrier function Scientific reports 2023-09-02 [PMID: 37660150] (Bioassay, Human) Bioassay Human
Vaikunthanathan, T;Landmann, E;Correa, DM;Romano, M;Trevelin, SC;Peng, Q;Crespo, E;Corrado, M;Lozano, JJ;Pearce, EL;Perpinan, E;Zoccarato, A;Siew, L;Edwards-Hicks, J;Khan, R;Luu, NT;Thursz, MR;Newsome, PN;Martinez-Llordella, M;Shah, N;Lechler, RI;Shah, AM;Sanchez-Fueyo, A;Lombardi, G;Safinia, N; Dysregulated anti-oxidant signalling and compromised mitochondrial integrity negatively influence regulatory T cell function and viability in liver disease EBioMedicine 2023-08-30 [PMID: 37657135] (Bioassay, Human) Bioassay Human
Lee, H;Xie, T;Yu, X;Schaffter, SW;Schulman, R; Plug-and-play protein biosensors using aptamer-regulated in vitro transcription bioRxiv : the preprint server for biology 2023-08-14 [PMID: 37645783] (Bioassay, Human) Bioassay Human
Show All 364 Publications.

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FAQs for IL-6 (206-IL). (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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Bioinformatics

Gene Symbol IL6
Uniprot