Human IL-10 Recombinant Protein #35979
Product Information
Storage
Once in solution, store at 4°C and use within 1 month, or store at -20ºC to -80ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles if storing reconstituted material at -20ºC to -80ºC.
Product Description
| MW (kDa) | 19 |
| Purity | A greater than or equal to 95% purity was determined by SDS-PAGE. |
| Endotoxin | Endotoxin levels are less than or equal to 1 EU / 1 μg hIL-10. |
| Activity | The bioactivity of recombinant hIL-10 was determined in an MC/9 cell proliferation assay. The ED50 of each lot is less than or equal to 5 ng/ml. |
Source / Purification
Recombinant human IL-10 was expressed in E. coli and is supplied in a lyophilized form.
Background
Interleukin-10 (IL-10) is an anti-inflammatory cytokine that is produced by T cells, NK cells, and macrophages (1,2). IL-10 initiates signal transduction by binding to a cell surface receptor complex consisting of IL-10 RI and IL-10 RII (1), leading to the activation of Jak1 and Tyk2 and phosphorylation of Stat3 (1,3). The anti-inflammatory activity of IL-10 is due to its ability to block signaling through other cytokine receptors, notably IFN-γ receptor, by upregulating expression of SOCS1 (1,3). In addition, IL-10 promotes T cell tolerance by inhibiting tyrosine phosphorylation of CD28 (4,5). IL-10 is an important negative regulator of the immune response, which allows for maintenance of pregnancy (1). In contrast, increased IL-10 levels contribute to persistent Leishmania major infections (6).
- Pestka, S. et al. (2004) Immunol Rev 202, 8-32.
- Akuffo, H. et al. (1999) Clin Exp Immunol 117, 529-34.
- O'Shea, J.J. and Murray, P.J. (2008) Immunity 28, 477-87.
- Akdis, C.A. and Blaser, K. (2001) Immunology 103, 131-6.
- Akdis, C.A. et al. (2000) FASEB J 14, 1666-8.
- Von Stebut, E. Eur J Dermatol 17, 115-22.
Limited Uses
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