Background/Introduction: Interleukin 10 (IL-10), initially designated cytokine synthesis inhibitor, is a pleiotropic cytokine that inhibits the production of a number of cytokines (including IL-1, GM-CSF, TNF, IL-6, IL-8, IL-12 and IFN-gamma) by activated Th1 cells, NK cells, and monocytes/macrophages(1-5). Rat IL-10 cDNA encodes a 178 amino acid (aa) residue precursor protein that contains an 18 aa signal sequence and a 160 aa mature protein (1, 2). Within the mature protein, there are two potential N-linked glycosylation sites and five cysteine residues. Mature rat IL-10 shares 85% and 74% aa sequence identity with mouse and human IL-10, respectively (1, 4). Although rat and human IL-10 are both active on mouse cells, mouse IL-10 is not active on human cells (4). Based on human and mouse studies, biologically active rat IL-10 is likely to be a nondisulfide-linked homodimer in solution (4). Although IL-10 is considered to be a strictly secreted cytokine, the existence of biologically-active, membrane-bound IL-10 has also been reported. IL-10 has been shown to inhibit macrophage cytotoxic activity and to stimulate the proliferation and differentiation of B cells, mast cells, and thymic T cells. IL-10 is a potent modulator of monocyte/macrophage function. IL-10 also enhances the release of soluble TNF receptors and inhibits the expression of surface ICAM- 1 and B7 (6, 7). Finally, IL-10 has been reported to suppress the synthesis of superoxide anion (8) plus reactive oxygen intermediates (ROI), and either inhibit or facilitate nitric oxide synthesis, depending on the time of exposure to activated macrophages (9). IL-10 has marked effects on B cells. IL-10 also has documented activity on endothelial cells, where it mimics IL-4 (10), and on thymocytes (11) and mast cells, where it acts as a growth costimulator (12, 13).
NCBI and Uniprot Product Information
Uniprot Description
Inhibits the synthesis of a number of cytokines, including IFN-gamma, IL-2, IL-3, TNF and GM-CSF produced by activated macrophages and by helper T-cells.
Research Articles on IL-10
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Product Notes
The Rat IL-10 il10 (Catalog #AAA9424868) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA9424868 ELISA Kit recognizes Rat IL-10. It is sometimes possible for the material contained within the vial of "IL-10, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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