alexa The function of programmed cell death 1 and its ligands in regulating autoimmunity and infection.
Immunology

Immunology

Journal of Clinical & Cellular Immunology

Author(s): Sharpe AH, Wherry EJ, Ahmed R, Freeman GJ

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Abstract The programmed cell death 1 (PD-1) surface receptor binds to two ligands, PD-L1 and PD-L2. Studies have shown that PD-1-PD-L interactions control the induction and maintenance of peripheral T cell tolerance and indicate a previously unknown function for PD-L1 on nonhematopoietic cells in protecting tissues from autoimmune attack. PD-1 and its ligands have also been exploited by a variety of microorganisms to attenuate antimicrobial immunity and facilitate chronic infection. Here we examine the functions of PD-1 and its ligands in regulating antimicrobial and self-reactive T cell responses and discuss the therapeutic potential of manipulating this pathway. This article was published in Nat Immunol and referenced in Journal of Clinical & Cellular Immunology

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