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. 2025 Jan 4;23:10. doi: 10.1186/s12967-024-06052-3

Fig. 1.

Fig. 1

A Schematic representation of CAR-T cell structure: intracellular, transmembrane, extracellular domain. B Evolution of the five generation of CARs: from the first generation, containing only one activation domain, to the last next generation CARs, aiming to improve their safety and efficacy