Transcriptomics

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Multi-phenotype CRISPR-Cas9 screen identifies p38 kinase as a target for adoptive immunotherapies


ABSTRACT: T cells are central to all currently effective cancer immunotherapies, but the characteristics defining therapeutically effective anti-tumor T cells have not been comprehensively elucidated. Here we delineate four phenotypic qualities of effective anti-tumor T cells: cell expansion, differentiation, oxidative stress, and genomic stress. Using a CRISPR-Cas9-based genetic screen of primary T cells we measured the multi-phenotypic impact of disrupting 25 T cell receptor driven kinases. We identified p38 kinase as a central regulator of all four phenotypes and uncovered transcriptional and antioxidant pathways regulated by p38 in T cells. Pharmacological inhibition of p38 improved the efficacy of mouse anti-tumor T cells and enhanced the functionalities of human tumor-reactive and gene-engineered T cells, paving the way for clinically relevant interventions.

ORGANISM(S): Mus musculus

PROVIDER: GSE114087 | GEO | 2020/06/09

REPOSITORIES: GEO

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