13774214275
13774214275
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產品型號：S0C3047
更新時間：2025-10-11
廠商性質：生產廠家
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服務熱線15855403091
相關文章
Interleukin 4（IL4） was first identified as a helper T cell product with the capacity to co-stimulate B cell growth in vitro. IL-4 also can rescue B-cells from apoptosis, enhancing their survival, and is responsible for immunoglobulin isotype switching to IgG1 and IgE. The effect of IL-4 signaling is mediated through the IL-4 receptor alpha chain （IL-4Rα）. Upon binding to its ligand, IL-4Rα dimerizes either with the common gamma chain （γc） to produce the type-1 signaling complex located mainly on hematopoietic cells, or with the IL-13 receptor alpha 1 （IL-13Rα1） to produce the type-2 complex, which is expressed also on non-hematopoietic cells. The type-1 signaling complex is critical for Th2-skewing of T cells and the development of alternatively activated macrophages （AAMΦs）, while the type-2 complex plays a role in non-hematopoietic responses to IL-4 and IL-13.
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