HPRT1 and pancreatic neoplasm: In non-small lung cancer, cell lines A549 and NCI-H226 - TBP, IPO8, HPRT, TFRC and TBP, IPO8, TFRC, UBC while in pancreatic cancer, MIA PaCa-2 and PANC-1- TBP, IPO8, TFRC, GUSB, HMBS and TBP, IPO8, TFRC, GUSB, UBC were found to be stable respectively.