The Role of PD-1 in Acute and Chronic Infection
PD-1 as an immune checkpoint molecule down-regulates T cell activity during immune responses in order to prevent autoimmune tissue damage. In chronic infections or tumors, lasting antigen-exposure leads to permanent PD-1 expression that can limit immune-mediated clearance of pathogens or degenerated...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Frontiers Media S.A.
2020-03-01
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Series: | Frontiers in Immunology |
Subjects: | |
Online Access: | https://www.frontiersin.org/article/10.3389/fimmu.2020.00487/full |