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Regulation of T‐cell tolerance by calcium/NFAT signaling

Regulation of T‐cell tolerance by calcium/NFAT signaling Summary:  Cells that escape negative selection in the thymus must be inactivated or eliminated in the periphery through a series of mechanisms that include the induction of anergy, dominant suppression by regulatory T cells, and peripheral deletion of self‐reactive T cells. Calcium signaling plays a central role in the induction of anergy in T cells, which become functionally inactivated and incapable of proliferating and expressing cytokines following antigen re‐encounter. Suboptimal stimulation of T cells results in the activation of a calcium/calcineurin/nuclear factor of activated T cells‐dependent cell‐intrinsic program of self‐inactivation. The proteins encoded by those genes are required to impose a state of functional unresponsiveness through different mechanisms that include downregulation of T‐cell receptor signaling and inhibition of cytokine transcription. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Immunological Reviews Wiley

Regulation of T‐cell tolerance by calcium/NFAT signaling

Immunological Reviews , Volume 231 (1) – Jan 1, 2009

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References (192)

Publisher
Wiley
Copyright
Copyright © 2009 Wiley Subscription Services
ISSN
0105-2896
eISSN
1600-065X
DOI
10.1111/j.1600-065X.2009.00817.x
pmid
19754900
Publisher site
See Article on Publisher Site

Abstract

Summary:  Cells that escape negative selection in the thymus must be inactivated or eliminated in the periphery through a series of mechanisms that include the induction of anergy, dominant suppression by regulatory T cells, and peripheral deletion of self‐reactive T cells. Calcium signaling plays a central role in the induction of anergy in T cells, which become functionally inactivated and incapable of proliferating and expressing cytokines following antigen re‐encounter. Suboptimal stimulation of T cells results in the activation of a calcium/calcineurin/nuclear factor of activated T cells‐dependent cell‐intrinsic program of self‐inactivation. The proteins encoded by those genes are required to impose a state of functional unresponsiveness through different mechanisms that include downregulation of T‐cell receptor signaling and inhibition of cytokine transcription.

Journal

Immunological ReviewsWiley

Published: Jan 1, 2009

Keywords: ; ; ; ;

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