13774214275
13774214275
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產品型號：S0B1459
更新時間：2025-10-11
廠商性質：生產廠家
訪問量：240
服務熱線15855403091
This antibody recognizes the same epitope as clone 29F.1A12. Programmed cell death protein 1 （PD-1）, also known as CD279, is a type I transmembrane protein and a member of the CD28 immunoglobulin superfamily. It is primarily expressed on the surface of various immune cells, including T cells, B cells, macrophages, dendritic cells, and natural killer cells. PD-1 plays a crucial role in regulating immune responses by binding to its ligands, PD-L1 （B7-H1） and PD-L2 （B7-DC）, which are expressed on antigen-presenting cells and tumor cells. When PD-1 interacts with its ligands, it triggers inhibitory signals that downregulate T cell activity, preventing excessive immune responses and promoting self-tolerance. However, this pathway can also be exploited by cancer cells to evade immune surveillance, leading to tumor progression. As a result, PD-1 has become a key target in cancer immunotherapy, with several anti-PD-1 antibodies approved for treating various cancers, achieving significant and durable efficacy in some patients.
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