Journal
JOURNAL OF IMMUNOLOGY
Volume 186, Issue 9, Pages 5039-5045Publisher
AMER ASSOC IMMUNOLOGISTS
DOI: 10.4049/jimmunol.1003650
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- Howard Hughes Medical Institute Funding Source: Medline
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The TCR can detect subtle differences in the strength of interaction with peptide/MHC ligand and transmit this information to influence downstream events in T cell responses. Manipulation of the factor commonly referred to as TCR signal strength can be achieved by changing the amount or quality of peptide/MHC ligand. Recent work has enhanced our understanding of the many variables that contribute to the apparent cumulative strength of TCR stimulation during immunogenic and tolerogenic T cell responses. In this review, we consider data from in vitro studies in the context of in vivo immune responses and discuss in vivo consequences of manipulation of strength of TCR stimulation, including influences on T cell-APC interactions, the magnitude and quality of the T cell response, and the types of fate decisions made by peripheral T cells. The Journal of Immunology, 2011, 186: 5039-5045.
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