On the other hand, the protein was not expressed in Messa 10K (human ovarian sarcoma), CHO dCK- (chinese hamster ovary dCK deficient cell line) and MiaPaCa2 (pancreatic cancer cell line), three cell lines which are known to be resistant to gemcitabine treatment27–29. The gene discussed is DCK; the disease is familial pancreatic carcinoma.