Cytotoxic CD4+ T cells in cancer: Expanding the immune effector toolbox

Abstract excerpt

Cytotoxic T cells are important effectors of anti-tumor immunity. While tumor killing is ascribed to CD8 + T cell function, pre-clinical and clinical studies have identified intra-tumoral CD4 + T cells that possess cytotoxic programs and can directly kill cancer cells. Cytotoxic CD4 + T cells are found in other disease settings including infection and autoimmunity. Here, we review the phenotypic and functional...

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