Description: Stimulates the production of other cytokines such as IL-6, IL-8 and granulocyte colony-stimulating factor, and can regulate cartilage matrix turnover. Stimulates PBMC and T-cell proliferation. Inhibits angiogenesis. (www.uniprot.org) Produced in E.coli as a homodimeric, cysteine linked, non-glycosylated polypeptide chain containing 2 x 134 amino acids.