TIGIT Blockade and IL15 in Tumor Immunotherapy: Together is Better.

Pietra, Gabriella; Mingari, Maria Cristina; Moretta, Lorenzo · Clin Cancer Res · 2020

basic_science · Level V

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Abstract

IL15 and TIGIT blockade enhances the natural killer (NK) cell-mediated activity against MHC-I-deficient melanoma both <i>in vitro</i> and in preclinical models. IL15-induced harnessing of NK cells, associated with their unleashing by TIGIT blockade, may represent a therapeutic approach for tumors, which lack HLA-I molecules thus escaping the CD8<sup>+</sup> T cell-mediated control.<i>See related article by Chauvin et al., p. 5520</i>.

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