Antigen expression patterns on surviving tumor cells confirmed that c11D5.3-Luc90 and huc11D5.3-Luc90 CAR-T cells showed superior targeting of BCMA+ tumor cells, resulting in a disproportionately large fraction of BCMA−/CS1+ K562 cells in the remaining tumor population (Fig. 2d, Supplementary Fig. 3b). This evidence concerns the gene SLAMF7 and neoplasm.