PRDX1 and pancreatic intraductal papillary-mucinous neoplasm: To determine if changes in Prdx1, Txn, and Srxn expression correlate with changes observed in early stage disease, we employed mouse models of pancreatic neoplasia resembling PanIN (Pancreatic intraepithelial neoplasia) and IMPN (Intraductal papillary mucinous neoplasm).