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Tailoring T-cell receptor signals by proximal negative feedback mechanisms.

Abstract : The T-cell receptor (TCR) signalling machinery is central in determining the response of a T cell (establishing immunity or tolerance) following exposure to antigen. This process is made difficult by the narrow margin of self and non-self discrimination, and by the complexity of the genetic programmes that are induced for each outcome. Recent studies have identified novel negative feedback mechanisms that are rapidly induced by TCR engagement and that have key roles in the regulation of signal triggering and propagation. In vitro and in vivo data suggest that they are important in determining ligand discrimination by the TCR and in regulating signal output in response to antigen.
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Submitted on : Friday, March 20, 2009 - 12:04:30 PM
Last modification on : Thursday, October 22, 2020 - 3:12:05 PM

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Oreste Acuto, Vincenzo Di Bartolo, Frédérique Michel. Tailoring T-cell receptor signals by proximal negative feedback mechanisms.. Nature Reviews Immunology, Nature Publishing Group, 2008, 8 (9), pp.699-712. ⟨10.1038/nri2397⟩. ⟨pasteur-00369557⟩

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