Recombinant Human IL-10 Protein


Recombinant Human IL-10 (Catalog # 217-IL) stimulates cell proliferation of MC/9-2 mouse mast cells. The activity is approximately 2-fold greater than the top competitor's Recombinant Human IL-10.

Product Details

Reactivity HuSpecies Glossary
Applications Bioactivity

Order Details

Recombinant Human IL-10 Protein Summary

Additional Information
E. Coli Derived Version Also Available
Details of Functionality
Measured in a cell proliferation assay using MC/9‑2 mouse mast cells. Thompson-Snipes, L. et al. (1991) J. Exp. Med. 173:507. The ED50 for this effect is 0.075-0.750 ng/mL.
Spodoptera frugiperda, Sf 21 (baculovirus)-derived human IL-10 protein
Accession #
N-terminal Sequence
Structure / Form
Noncovalently-linked homodimer
Protein/Peptide Type
Recombinant Proteins
>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.


Theoretical MW
18.6 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.
Read Publications using
217-IL in the following applications:

Packaging, Storage & Formulations

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.
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein. *1 mg pack size (01M) is supplied as a 0.2 µm filtered solution in PBS with BSA as a carrier protein.
>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 50 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.


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

Alternate Names for Recombinant Human IL-10 Protein

  • CSIF
  • CSIFMGC126450
  • Cytokine synthesis inhibitory factor
  • IL10
  • IL-10
  • IL10A
  • IL-10MGC126451
  • interleukin 10
  • interleukin-10
  • TGIF


Interleukin 10, also known as cytokine synthesis inhibitory factor (CSIF), is the charter member of the IL‑10 family of alpha ‑helical cytokines that also includes
IL‑19, IL‑20, IL‑22, IL‑24, and IL‑26/AK155 (1, 2). IL‑10 is secreted by many activated hematopoietic cell types as well as hepatic stellate cells, keratinocytes, and placental cytotrophoblasts (2‑5). Mature human IL‑10 shares 72%‑86% amino acid sequence identity with bovine, canine, equine, feline, mouse, ovine, porcine, and rat IL‑10. Whereas human IL‑10 is active on mouse cells, mouse IL‑10 does not act on human cells (6, 7). IL‑10 is a 178 amino acid molecule that contains two intrachain disulfide bridges and is expressed as a 36 kDa noncovalently associated homodimer (6, 8, 9). The IL‑10 dimer binds to two IL‑10 R alpha /IL‑10 R1 chains, resulting in recruitment of two IL‑10 R beta /IL‑10 R2 chains and activation of a signaling cascade involving JAK1, TYK2, and STAT3 (10). IL‑10 R beta does not bind IL‑10 by itself but is required for signal transduction (1). IL‑10 R beta also associates with IL‑20 R alpha, IL‑22R alpha, or IL‑28 R alpha to form the receptor complexes for IL‑22, IL‑26, IL‑28, and IL‑29
(11‑13). IL‑10 is a critical molecule in the control of viral infections and allergic and autoimmune inflammation (14‑16). It promotes phagocytic uptake and Th2 responses but suppresses antigen presentation and Th1 proinflammatory responses (2).
  1. Pestka, S. et al. (2004) Annu. Rev. Immunol. 22:929.
  2. Sabat, R. et al. (2010) Cytokine Growth Factor Rev. 21:331.
  3. Mathurin, P. et al. (2002) Am. J. Physiol. Gastrointest. Liver Physiol. 282:G981.
  4. Grewe, M. et al. (1995) J. Invest. Dermatol. 104:3.
  5. Szony, B.J. et al. (1999) Mol. Hum. Reprod. 5:1059.
  6. Vieira, P. et al. (1991) Proc. Natl. Acad. Sci. 88:1172.
  7. Hsu, D.-H. et al. (1990) Science 250:830.
  8. Windsor, W.T. et al. (1993) Biochemistry 32:8807.
  9. Syto, R. et al. (1998) Biochemistry 37:16943.
  10. Kotenko, S.V. et al. (1997) EMBO J. 16:5894.
  11. Kotenko, S.V. et al. (2000) J. Biol. Chem. 276:2725.
  12. Hor, S. et al. (2004) J. Biol. Chem. 279:33343.
  13. Sheppard, P. et al. (2003) Nat. Immunol. 4:63.
  14. Fitzgerald, D.C. et al. (2007) Nat. Immunol. 8:1372.
  15. Wu, K. et al. (2007) Cell. Mol. Immunol. 4:269.
  16. Blackburn, S.D. and E.J. Wherry (2007)Trends Microbiol. 15:143.

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Publications for IL-10 (217-IL)(99)

We have publications tested in 5 confirmed species: Human, Mouse, Hamster, N/A, Primate - Papio anubis (Olive Baboon).

We have publications tested in 6 applications: Bioassay, Cell Culture, Control, Differentiation, ELISA (Standard), Standard.

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Primate - Papio anubis (Olive Baboon)
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Showing Publications 1 - 10 of 99. Show All 99 Publications.
Publications using 217-IL Applications Species
MY Hsieh, JJ Lin, SH Hsia, JL Huang, KW Yeh, KW Chang, WI Lee Diminished toll-like receptor response in febrile infection-related epilepsy syndrome (FIRES) Biomed J, 2020;0(0):. 2020 [PMID: 32651134] (Bioassay, Human) Bioassay Human
MF Abas?yan?k, K Wolfe, H Van Phan, J Lin, B Laxman, SR White, PA Verhoef, GM Mutlu, B Patel, S Tay Ultrasensitive digital quantification of cytokines and bacteria predicts septic shock outcomes Nat Commun, 2020;11(1):2607. 2020 [PMID: 32451375] (Bioassay, Human) Bioassay Human
X Li, P Fang, Y Sun, Y Shao, WY Yang, X Jiang, H Wang, X Yang Anti-inflammatory cytokines IL-35 and IL-10 block atherogenic lysophosphatidylcholine-induced, mitochondrial ROS-mediated innate immune activation, but spare innate immune memory signature in endothelial cells Redox Biol, 2019;28(0):101373. 2019 [PMID: 31731100] (Bioassay, Human) Bioassay Human
N Ogasawara, JA Poposki, AI Klingler, BK Tan, KE Hulse, WW Stevens, AT Peters, LC Grammer, KC Welch, SS Smith, DB Conley, JR Raviv, P Soroosh, KI Takano, T Himi, RC Kern, RP Schleimer, A Kato Role of RANK-L as a potential inducer of ILC2-mediated type 2 inflammation in chronic rhinosinusitis with nasal polyps Mucosal Immunol, 2020;13(1):86-95. 2020 [PMID: 31641233] (Cell Culture, Human) Cell Culture Human
ER Wonderlich, K Subramania, B Cox, A Wiegand, C Lackman-Sm, MJ Bale, M Stone, R Hoh, MF Kearney, F Maldarelli, SG Deeks, MP Busch, RG Ptak, DA Kulpa Effector memory differentiation increases detection of replication-competent HIV-l in resting CD4+ T cells from virally suppressed individuals PLoS Pathog., 2019;15(10):e1008074. 2019 [PMID: 31609991] (Bioassay, Human) Bioassay Human
SK Horrevorts, DA Stolk, RV Ven, M Hulst, BVH Hof, S Duinkerken, MH Heineke, W Ma, SA Dusoswa, R Nieuwland, JJ Garcia-Val, AAV Loosdrecht, TD de Gruijl, SJV Vliet, Y van Kooyk Glycan-Modified Melanoma-Derived Apoptotic Extracellular Vesicles as Antigen Source for Anti-Tumor Vaccination Cancers (Basel), 2019;11(9):. 2019 [PMID: 31466401] (Bioassay, Human) Bioassay Human
Y Ye, M Liu, L Tang, F Du, Y Liu, P Hao, Q Fu, Q Guo, Q Yan, X Zhang, C Bao Iguratimod represses B cell terminal differentiation linked with the inhibition of PKC/EGR1 axis Arthritis Res. Ther., 2019;21(1):92. 2019 [PMID: 30971291] (Bioassay, Human) Bioassay Human
BA Kane, H An, P Rajasekari, HP McNeil, K Bryant, N Tedla Differential expression and regulation of the non-integrin 37/67-kDa laminin receptor on peripheral blood leukocytes of healthy individuals and patients with rheumatoid arthritis Sci Rep, 2019;9(1):1149. 2019 [PMID: 30718719] (Bioassay, Human) Bioassay Human
F Charbit-He, B Bègue, A Sierra, S Hanein, MC Stolzenber, Z Li, S Pellegrini, N Garcelon, M Jeanpierre, B Neven, I Loge, C Picard, J Rosain, J Bustamante, M Le Lorc'h, B Pigneur, A Fernandes,, F Rieux-Lauc, J Amil Dias, FM Ruemmele, N Cerf-Bensu Copy number variations and founder effect underlying complete IL-10R? deficiency in Portuguese kindreds PLoS ONE, 2018;13(10):e0205826. 2018 [PMID: 30365510] (Bioassay, Human) Bioassay Human
AS Hansen, M Biltoft, B Bundgaard, AB Bohn, BK Møller, P Höllsberg CD46 activation induces distinct CXCL-10 response in monocytes and monocyte-derived dendritic cells Cytokine, 2018;0(0):. 2018 [PMID: 29980471] (Bioassay, Human) Bioassay Human
Show All 99 Publications.

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Gene Symbol IL10