ERBB2 and neoplasm: Anti-HER2 antibodies further enhanced NK cell- but not ITNK cell-induced lysis of SK-OV-3 cells, suggesting that ITNKs do not acquire the ability to perform antibody-dependent cell-mediated cytotoxicity (ADCC) against tumor cells (Fig. S5C), in line with their lack of CD16 expression (Fig. 2D).