Abstract
Chimeric antigen receptor T cells (CAR-T) immunotherapy, which activates immunity specific to the system in order to achieve antitumor effects, has experienced exciting progress in recent years. mRNA nano-delivery systems, which encapsulate tumor immunotherapy-related antigen mRNA with nanoparticles, have shown great potential in CAR-T tumor immunotherapy. On one hand, these systems can directly target T cells to generate CAR-T cells that directly act upon the corresponding tumor cells. On the other hand, they can be delivered to antigen-presenting cells through targeting, thereby enhancing the function of CAR-T cells and further inducing specific immune responses against tumor cells. This review summarizes the synthesis of mRNA nano-delivery systems and their application in CAR-T tumor immunotherapy.
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