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Designing Cancer Immunotherapies That Engage T Cells and NK Cells

Oleksandr Kyrysyuk1, Kai W Wucherpfennig1,2,3

  • 1Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA;

Annual Review of Immunology
|November 29, 2022
PubMed

T cells and natural killer (NK) cells have complementary roles in tumor immunity, and dual T cell and NK cell attack thus offers opportunities to deepen the impact of immunotherapy. Recent work has also shown that NK cells play an important role in recruiting dendritic cells to tumors and thus enhance induction of CD8 T cell responses, while IL-2 secreted by T cells activates NK cells. Targeting of immune evasion mechanisms from the activating NKG2D receptor and its MICA and MICB ligands on tumor cells offers opportunities for therapeutic intervention. Interestingly, T cells and NK cells share several important inhibitory and activating receptors that can be targeted to enhance T cell- and NK cell-mediated immunity. These inhibitory receptor-ligand systems include CD161-CLEC2D, TIGIT-CD155, and NKG2A/CD94-HLA-E. We also discuss emerging therapeutic strategies based on inhibitory and activating cytokines that profoundly impact the function of both lymphocyte populations within tumors.

Keywords:
T cellscancer immunotherapynatural killer cells

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