The polyclonal CD8 T cell response to influenza M158-66 generates a fully connected network of cross-reactive clonotypes to structurally related peptides: a paradigm for memory repertoire coverage of novel epitopes or escape mutants.

Abstract excerpt

Cross-reactivity of T cells is defined as recognition of two or more peptide-MHC complexes by the same T cell. Although examples of cross-reactivity have been reported, a detailed examination of cross-reactivity has not been performed. In this study, we took advantage of the high degree of polyclonality in the BV19 T cell repertoire responding to influenza M1(58-66) in HLA-A2 individuals to obtain a measure of...

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