Abstract
T cell genome editing holds great promise to advance a range of immunotherapies but is encumbered by the dependence on difficult-to-produce and expensive viral vectors. Here, small double-stranded plasmid DNA modified to mediate high-efficiency homologous recombination is designed. The resulting chimeric antigen receptor (CAR)-T cells display a similar phenotype, transcriptional profile, and in vivo potency to CAR-T cells generated using adeno-associated viral vector. This method should simplify and accelerate the use of precision engineering to produce edited T cells for research and clinical purposes.
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