To examine if the HzMUC1 antibody recognizes MUC1 protein in pancreatic cancer cells, we performed western blot analysis with lysates from Capan-2, CFPAC-1, PANC-1, Mia-PaCa-2, PATU-8988, SW1990 cells, and hTERT-HPNE cells. This evidence concerns the gene MUC1 and familial pancreatic carcinoma.