Measured by its ability to neutralize IL‑10-induced proliferation in the MC/9‑2 mouse mast cell line [Thompson-Snipes, L. et al. (1991) J. Exp. Med. 173:507]. The Neutralization Dose (ND50) is typically 2-4 µg/mL in the presence of 2.5 ng/mL Recombinant Mouse IL‑10.
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Cell Proliferation Induced by IL‑10 and Neutralization by Mouse IL‑10 Antibody. Recombinant Mouse IL‑10 (Catalog # 417-ML) stimulates proliferation in the MC/9‑2 mouse mast cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Mouse IL‑10 (2.5 ng/mL) is neutralized (green line) by increasing concentrations of Mouse IL‑10 Polyclonal Antibody (Catalog # AB-417-NA). The ND50 is typically 2-4 µg/mL.
Preparation and Storage
Reconstitute at 1 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & 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.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
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, and IL-24 (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 mouse IL-10 shares 85% amino acid sequence identity with rat and 70%‑77% with bovine, canine, equine, feline, human, ovine, and porcine 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 (8‑10). 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 (11). 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-22 R alpha, or IL-28 R alpha to form the receptor complexes for IL-22, IL-26, IL-28, and IL‑29 (12‑14). IL-10 is a critical molecule in the control of viral infections and allergic and autoimmune inflammation (15‑17). It promotes phagocytic uptake and Th2 responses but suppresses antigen presentation and Th1 proinflammatory responses (2).
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