Although reduction in tumor growth was limited, simultaneous administration of a combination of three bsAbs (M × 3, M × 28 and M × 2 bsAb) with peripheral blood mononuclear cells (PBMCs) or T-LAK cells in vitro showed higher cytotoxicity against MUC1-expressing bile duct carcinoma cells [121]. This evidence concerns the gene MUC1 and neoplasm.