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Frontiers in In Vivo CAR-T & tLNP
In vivo CAR-T Insights Series
mRNA & LNP Delivery Insights
Membrane protein Series
Antibody-Targeted LNPs Enable In Vivo CAR-T Cell Generation
This article examines a 2025 Science study in which antibody-targeted lipid nanoparticles delivered optimized CAR mRNA to CD8+ T cells, generating functional CAR-T cells directly in vivo. We discuss the L829 ionizable lipid, targeted biodistribution, B-cell depletion, tumor control, and findings in cynomolgus monkeys, as well as dose-related inflammatory safety. The study highlights the potential—and remaining translational challenges—of transient, nonviral in vivo CAR-T therapy for cancer and autoimmune disease.
Sep 10,2026