Mouse IL-21 ELISA Ready-SET-Go! **

产品名称：Mouse IL-21 ELISA Ready-SET-Go! Set 2 plates
产品货号：eBioscience 88-8210-22
产品规格：2 x 96 tests w/plates 
Mouse IL-21 ELISA Ready-SET-Go!®
Also known as: Interleukin-21, IL21
RUO: For Research Use Only. Not for use in diagnostic procedures.
SKU# 88-8210
Cat. No. Size
88-8210-88  10 x 96 tests 
88-8210-22  2 x 96 tests w/plates 
88-8210-86  10 x 96 tests w/plates 
Description: This mouse IL-21 ELISA Ready-SET-Go! reagent set (with or without high-affinity binding microwell plates) contains the necessary reagents, buffers and diluents for performing quantitative enzyme linked immunosorbent assays (ELISA). This ELISA reagent set is specifically engineered for accurate and precise measurement of mouse IL-21 protein levels from samples including serum, plasma, and supernatants from cell culture.
IL-21 is a 17 kDa immunomodulatory cytokine produced mainly by NKT, T helper (Th) 17 and T follicular helper (TFH) cells. In TFH cells, IL-21 expression leads to autocrine signaling through the IL-21 receptor (IL-21R) and STAT3, which leads to additional transcriptional activation by Bcl6. As with IFNγ for Th1 and IL-4 for Th2 cells, IL-21 is critical for TFH cell development and effector function. This cytokine plays a role in T cell-dependent B cell differentiation into plasma cells and memory cells, stimulation of IgG production and induction of apoptotic signaling in naïve B cells.
In Th17 cells, IL-21 expression and autocrine feedback through STAT3, IRF4 and RORγt lead to upregulation of the IL-23R, thereby preparing Th17 cells for maturation and maintenance by the inflammatory cytokine IL-23. While upregulating IRF4 and RORγt, IL-21 also mediates the downregulation of Foxp3. High levels of IL-21 are present in chemically-induced colitis models. IL-21-deficient mice are protected from developing colitis upon chemical treatment by their inability to upregulate Th17-associated molecules.
Special Note: To ensure optimal results from this ELISA Ready-SET-Go! Set, please only use the components included in the set. Exchanging of components is not recommended as a change in signal may occur.

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