PRLR and pancreatic neoplasm: We found that, compared to PRLR-LF, PRLR-SF is predominantly expressed in pancreatic tumors of the KPC mice, the mouse PDAC cell line (Panc02) and the human PDAC cell lines (AsPC-1, BxPC3, CFPAC-1, and Patu8988) (Figure 1A-C).