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Journal Articles Cancer Discovery Year : 2021

Tumor-Infiltrating Natural Killer Cells


Because of their potent antitumor activity and their proinflammatory role, natural killer (NK) cells are at the forefront of efforts to develop immuno-oncologic treatments. NK cells participate in immune responses to tumors by killing target cells and producing cytokines. However, in the immunosuppressive tumor microenvironment, NK cells become dysfunctional through exposure to inhibitory molecules produced by cancer cells, leading to tumor escape. We provide an overview of what is known about NK tumor infiltration and surveillance and about the mechanisms by which NK cells become dysfunctional. SIGNIFICANCE: The functions of tumor-infiltrating NK cells may be impaired. This review aims to describe the various mechanisms by which tumors alter NK-cell functions.

Dates and versions

hal-03566034 , version 1 (11-02-2022)



Beatriz Cózar, Marco Greppi, Sabrina Carpentier, Emilie Narni-Mancinelli, Laura Chiossone, et al.. Tumor-Infiltrating Natural Killer Cells. Cancer Discovery, 2021, 11 (1), pp.34-44. ⟨10.1158/2159-8290.CD-20-0655⟩. ⟨hal-03566034⟩
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