PD-1/PD-L1 Signaling Pathway
Programmed cell death protein 1, also known as PD-1 and CD279, is a cell surface receptor that plays an important role in downregulating the immune system and promoting self-tolerance by inhibiting T cell inflammatory activity. In humans, it is encoded by the PDCD1 gene. PD-1 is a member of the ...
危险品化学品经营许可证（带存储）