MINI REVIEW article Front. Immunol. Sec. Cancer Immunity and Immunotherapy Supercharging the Metabolic Engine: Mitochondrial Engineering Strategies for CAR-T Persistence in Solid Tumors 1. Translational-Transdisciplinary Research Center, Medical Science Research Institute, Kyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University, Seoul, Republic of Korea 2. Department of Medicine, Kyung Hee University College of Medicine, Seoul, Republic of Korea 3.