BASIC Enables Selection-Free Efficient Knock-In of Large DNA in Primary Human T Cells

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  • 著者: Kexin Wang, Xiaorui Li, Jin Li, Zhuoying Yu, Pan Li, Yuyang Xie, Jinxin Liu, Honglin Huang, Shanshan Zhang, Mengqiao Zhang, Wenju Ma, Fei Gao, Xuguang Du, Jianxun Wang, Mario R. Capecchi, Sen Wu
  • ジャーナル: Molecular Therapy
  • Doi: https://www.doi.org/10.1016/j.ymthe.2025.12.064
  • 発行日: 2026/1/2

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Abstract

Efficient and precise insertion of large DNA fragments into primary human T cells has remained a bottleneck for gene and cell therapy. We present BaEVshort-AAV6 site-specific integration for CAR T (BASIC), a modular platform that combines BaEVshort-pseudotyped virus-like particles for Cas9 RNP delivery with AAV6 donor vectors for homology-directed repair. BASIC achieves >85% knockin efficiency without drug selection or electroporation, preserving cell viability while enabling multiplex genome engineering. Edited chimeric antigen receptor (CAR)-T cells show uniform CAR expression, enhanced cytotoxicity, and complete tumor clearance in vivo. BASIC offers a clinically scalable solution for next-generation cell therapies.

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