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© Institut Pasteur
Macrophage apparaissant derrière un lymphocyte. Image colorisée.
Publication : Nature reviews. Immunology

Tailoring T-cell receptor signals by proximal negative feedback mechanisms

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Nature reviews. Immunology - 01 Sep 2008

Acuto O, Di Bartolo V, Michel F

Link to Pubmed [PMID] – 18728635

Nat. Rev. Immunol. 2008 Sep;8(9):699-712

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.

http://www.ncbi.nlm.nih.gov/pubmed/18728635