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Lipid-based mRNA chimeric antigen receptor T cells for enhanced <i>in vitro</i> antitumor activity

Academic source · iScience

Source published: 2026-10-05

Site published: 2026-11-03 · Updated: 2026-11-03

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What the paper reports

Screening eight ionizable lipids identified a lead formulation that delivered reporter RNA to several immune-cell types. Researchers then used it to engineer primary human T cells expressing a MUC1-directed CAR, with cytotoxic activity against antigen-positive tumor cells in vitro. Animal reporter experiments supported delivery feasibility, but the study does not demonstrate therapeutic CAR-T generation inside patients or animals.

Why this paper is included

Supports transient, nonviral T-cell engineering; in vitro MUC1-directed killing does not establish in vivo CAR-T therapeutic efficacy or clinical manufacturing readiness.

The interpretation above is analysis, not a conclusion attributed to the original source.

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