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Antitumor mechanism and clinical application of anti-PD-1 agents in cutaneous tumors

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Author:
No author available
Journal Title:
International Journal of Dermatology and Venereology
Issue:
1
DOI:
10.3760/cma.j.issn.2096-5540.2018.01.006
Key Word:
No keyword available

Abstract: IntroductionProgrammed death-1 (PD-1) is an inhibitory T-cell receptor expressed by activated T-lymphocytes,and its two major ligands are PD-L1 (B7-H1,CD274) and PD-L2 (B7-DC,CD273).Under normal conditions,PD-L1 is mainly expressed on T cells,B cells,dendritic cells,and macrophages,whereas PD-L2 is expressed selectively on activated dendritic cells,macrophages,marrow-originated mast cells,and peritoneum B1 cells.

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