We next assessed TM4SF18 expression in the pancreatic cancer cell lines Panc-1, MiaPaca-2, BxPC-3, AsPC1, and Capan-1, as well as the non-malignant human pancreatic ductal epithelium (HPDE) cell line by western blot analysis. This evidence concerns the gene TM4SF18 and pancreatic neoplasm.