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Pan-cancer profiling of tumor-infiltrating natural killer cells through transcriptional reference mapping
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Pan-cancer profiling of tumor-infiltrating natural killer cells through transcriptional reference mapping
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Journal Article
Pan-cancer profiling of tumor-infiltrating natural killer cells through transcriptional reference mapping
2024
Overview
The functional diversity of natural killer (NK) cell repertoires stems from differentiation, homeostatic, receptor–ligand interactions and adaptive-like responses to viral infections. In the present study, we generated a single-cell transcriptional reference map of healthy human blood- and tissue-derived NK cells, with temporal resolution and fate-specific expression of gene-regulatory networks defining NK cell differentiation. Transfer learning facilitated incorporation of tumor-infiltrating NK cell transcriptomes (39 datasets, 7 solid tumors, 427 patients) into the reference map to analyze tumor microenvironment (TME)-induced perturbations. Of the six functionally distinct NK cell states identified, a dysfunctional stressed CD56
bright
state susceptible to TME-induced immunosuppression and a cytotoxic TME-resistant effector CD56
dim
state were commonly enriched across tumor types, the ratio of which was predictive of patient outcome in malignant melanoma and osteosarcoma. This resource may inform the design of new NK cell therapies and can be extended through transfer learning to interrogate new datasets from experimental perturbations or disease conditions.
Malmberg and colleagues generated a single-cell transcriptional reference map to investigate pan-cancer profiles of tumor-infiltrating natural killer cells.
Publisher
Springer Science and Business Media LLC,Nature Publishing Group US,Nature Publishing Group
Subject
