S0B5517 PE-Cy7 Rat Anti-Mouse CD4 Antibody (S-R382)
- 公司名稱 杭州斯達特生物科技有限公司
- 品牌 Starter/斯達特
- 型號 S0B5517
- 產(chǎn)地 浙江 杭州
- 廠商性質(zhì) 生產(chǎn)廠家
- 更新時間 2025/6/11 9:28:45
- 訪問次數(shù) 48
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CD4 is a glycoprotein that functions as a co-receptor for the T-cell receptor (TCR) and is primarily expressed on the surface of helper T cells, monocytes, macrophages, and dendritic cells. It is a member of the immunoglobulin superfamily, consisting of four immunoglobulin domains (D1 to D4) that interact with MHC class II molecules on antigen-presenting cells. This interaction, mediated by the D1 domain of CD4, ensures that T cells recognize antigens presented by MHC II. The cytoplasmic tail of CD4 contains motifs that recruit the tyrosine kinase Lck, which amplifies T cell activation signals. Additionally, CD4 is crucial in the immune response, as it helps activate CD4+ T helper cells, which in turn stimulate other immune cells to combat infections. However, CD4 is also the primary receptor for HIV, allowing the virus to enter host T cells and cause immunodeficiency.
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