CAR-T and CAR-NK As Cellular Cancer Immunotherapy for Solid Tumors

The authors discuss the recent advances and current challenges of CAR-T and CAR-natural killer (NK) cell immunotherapies, with a specific focus on the obstacles to their application in solid tumors. They also analyze in depth the advantages and drawbacks of CAR-NK cells compared to CAR-T cells and highlight CAR-NK CAR optimization.