TCR affinity and specificity requirements for human regulatory T-cell function

Abstract excerpt

We investigated whether TCRs restricted to the more ubiquitously expressed MHC class I molecules could be used to redirect human regulatory T cells (Tregs). Using a series of HLA-A2-restricted TCRs that recognize the same peptide-MHC class I complex (pMHC) with affinities varying up to 3500 fold, we observed that TCR affinity had no effect on the ability of the introduced TCRs to confer potent Ag-specific...

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