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. 2023 Dec 12;56(12):2816-2835.e13.
doi: 10.1016/j.immuni.2023.11.008.

Single-cell functional genomics reveals determinants of sensitivity and resistance to natural killer cells in blood cancers

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Free article

Single-cell functional genomics reveals determinants of sensitivity and resistance to natural killer cells in blood cancers

Olli Dufva et al. Immunity. .
Free article

Abstract

Cancer cells can evade natural killer (NK) cell activity, thereby limiting anti-tumor immunity. To reveal genetic determinants of susceptibility to NK cell activity, we examined interacting NK cells and blood cancer cells using single-cell and genome-scale functional genomics screens. Interaction of NK and cancer cells induced distinct activation and type I interferon (IFN) states in both cell types depending on the cancer cell lineage and molecular phenotype, ranging from more sensitive myeloid to less sensitive B-lymphoid cancers. CRISPR screens in cancer cells uncovered genes regulating sensitivity and resistance to NK cell-mediated killing, including adhesion-related glycoproteins, protein fucosylation genes, and transcriptional regulators, in addition to confirming the importance of antigen presentation and death receptor signaling pathways. CRISPR screens with a single-cell transcriptomic readout provided insight into underlying mechanisms, including regulation of IFN-γ signaling in cancer cells and NK cell activation states. Our findings highlight the diversity of mechanisms influencing NK cell susceptibility across different cancers and provide a resource for NK cell-based therapies.

Keywords: CRISPR screening; CROP-seq; NK cell; cancer; functional genomics; immunotherapy resistance; leukemia; lymphoma; myeloma; single-cell RNA sequencing.

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Conflict of interest statement

Declaration of interests M.S. and C.S.M. are authors of a patent application related to antitumor activity of NK cells. C.S.M. is a member of the Scientific Advisory Board of Adicet Bio and also discloses consultant honoraria from Fate Therapeutics, Ionis Pharmaceuticals, FIMECS, Secura Bio, and Oncopeptides and research funding from Sanofi, Merck KGaA/EMD Serono, Arch Oncology, Karyopharm, Nurix, Eisai/H3 Biomedicine, Novartis, BMS, Abcuro, and Springworks. S.M. has received honoraria and research funding from Novartis, Pfizer, and Bristol-Myers Squibb and honoraria from Dren-Bio (not related to this study).

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