PD-1/PD-L1 Pathway in Breast Cancer

被引:134
|
作者
Schuetz, Florian [1 ]
Stefanovic, Stefan [1 ]
Mayer, Luisa [1 ]
von Au, Alexandra [1 ]
Domschke, Christoph [1 ]
Sohn, Christof [1 ]
机构
[1] Univ Frauenklin Heidelberg, Interdisziplinares Brustzentrum, Neuenheimer Feld 440, D-69120 Heidelberg, Germany
关键词
PD1/PD-L1; Breast cancer; Immune checkpoints; Immunotherapy; T-CELL-ACTIVATION; IMMUNE CHECKPOINT BLOCKADE; HUMAN OVARIAN-CANCER; INDUCED EXPRESSION; PD-1; LYMPHOCYTES; TOLERANCE; DISEASE; MICE; GENE;
D O I
10.1159/000464353
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
The programmed cell death-1 receptor (PD-1) is an immune checkpoint inhibitor which is expressed on the surface of immune effector cells. It is activated mainly by PD-L1 which can be expressed by all human cells. The PD-1/PD-L1 pathway plays a subtle role in maintaining peripheral T-lymphocyte tolerance and regulating inflammation. In cancer, the expression of PD-L1 seems to be one of the major immune escape mechanisms. Many studies have shown efficacy of blocking PD-1 or PD-L1 with specific antibodies like pembrolizumab or atezulizumab. In breast cancer, potential response was demonstrated in metastatic triple-negative breast cancers. (C) 2017 S. Karger GmbH, Freiburg
引用
收藏
页码:294 / 297
页数:4
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