Alexa Fluor? 647 Syrian Hamster Anti-Mouse CD28 Antibody (S-R515)

產(chǎn)品型號：S0B5364

更新時間：2025-10-09

廠商性質(zhì)：生產(chǎn)廠家

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ELISA試劑盒抗體試劑盒二抗試劑盒二抗其它流式抗體瓊脂糖/磁珠偶聯(lián)抗體抗Payload抗體泛修飾抗體標簽/內(nèi)參抗體功能性抗體 Biosimilar抗體偶聯(lián)抗體配對抗體病理/IHC抗體

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產(chǎn)品介紹

CD28, a 44-kDa disulfide-linked glycoprotein, is constitutively expressed on the surface of most CD4+ and CD8+ T cells. It plays a crucial role in T cell activation and signaling by interacting with its ligands CD80 （B7.1） and CD86 （B7.2） on antigen-presenting cells. CD28 enhances T cell receptor signaling, promotes cell cycle entry, and supports the survival of T cells by upregulating anti-apoptotic proteins like Bcl-2. It also preferentially promotes TH2 differentiation, aiding B cell germinal center formation and isotype switching. CD28 signaling involves multiple pathways, including PI3K, Grb2, and NFκB activation, which collectively regulate T cell proliferation, differentiation, and effector functions.

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