CAR-Vγ9Vδ2 T cells exhibit similar or stronger cytotoxicity than CAR-αβ T cells on breast cancer cells. A. MUC1-Tn antigen expression levels on T47D cells, MDA-MB-231 cells, and MDA-MB-468 cells. B. Cytotoxicity of CAR-Vγ9Vδ2 T cells and CAR T cells against T47D cells, MDA-MB-231 cells, and MDA-MB-468 cells detected by the RTCA assay. C. Detection of TNF-α, granzyme B, and IFN-γ concentrations in the supernatants from the cytotoxicity assays of CAR-Vγ9Vδ2 T cells and CAR-αβ T cells against T47D cells, MDA-MB-231 cells, and MDA-MB-468 cells.