
Keywords: پانین، نئوپلازی داخل پاتوسی پانکراس; FCS, fetal calf serum; GPNA, l-glutamic acid-γ-p-nitroanilide-hydrochloride; Gln, glutamine; GSI, glutamine synthetase inhibitor; GLS, glutaminase; GDH, glutamate dehydrogenase; GS, glutamine synthetase; PanIN, pancreatic intraepithelial neoplasia; PDAC,