ERBB2 and neoplasm: Concordantly, NKp30+CD8+ T cells, carrying or not HER2-specific TCRs, could recognize and kill both tumor cell lines, while HER2TCR+NKp30−CD8+ T cells were unable to kill or produce IFN-γ in response to HLA-A2-negative targets, regardless of HER2TCR expression (Figure S3b-c).