Control of B cell lymphoma recognition via natural killer inhibitory receptors implies a role for human Vγ9/Vδ2 T cells in tumor immunity

Abstract excerpt

The Vgamma9/Vdelta2 T cell receptor (TCR) is expressed by most human gammadelta T cells. We show here that cytotoxic T lymphocytes of the Vgamma9/Vdelta2 subset, but not of the Vdelta1 subset of human gammadelta T cells, express natural killer inhibitory receptors (KIR) with specificity for different HLA class I alleles that down-regulate TCR-mediated signaling in response to HLA class I-expressing B cell...

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