title: In vitro induction of giant cell tumors from cultured hamster islets treated with N-Nitrosobis(2-Oxopropyl)amine.
abstract: Giant cell carcinoma of the pancreas is a rare tumor. Its histogenesis is still controversial. In a Syrian hamster pancreatic cancer model, tumors similar to human giant cell carcinomas have been induced at an extremely low rate of incidence and after the use of high doses of pancreatic carcinogens. Thus far no tumors of giant cell type have been induced by the in vitro treatment of hamster pancreatic ductal cells with the potent pancreatic carcinogen N-nitrosobis(2-oxopropyl)amine (BOP). In the present study we report the induction of giant cell carcinoma from hamster islets treated with BOP in vitro. The results suggest that in hamsters some component of islet cells, probably stem cells, are the origin of giant cell carcinoma.
authors.affiliation: UNMC Eppley Cancer Center, University of Nebraska Medical Center, Omaha, Nebraska, USA.
authors.forename: H
authors.initials: H
authors.lastname: Matsuzaki
authors.forename: B M
authors.initials: BM
authors.lastname: Schmied
authors.forename: A
authors.initials: A
authors.lastname: Ulrich
authors.forename: S K
authors.initials: SK
authors.lastname: Batra
authors.forename: P M
authors.initials: PM
authors.lastname: Pour
mesh_terms: D000818:Animals; D002273:Carcinogens / Q000494:pharmacology*; D006224:Cricetinae; D046508:Culture Techniques; D005260:Female; D005870:Giant Cell Tumors / Q000139:chemically induced* / Q000378:metabolism / Q000473:pathology; D007150:Immunohistochemistry; D007515:Islets of Langerhans / Q000187:drug effects*; D008297:Male; D008647:Mesocricetus; D051379:Mice; D008819:Mice, Nude; D008854:Microscopy, Electron; D009602:Nitrosamines / Q000494:pharmacology*; D010190:Pancreatic Neoplasms / Q000139:chemically induced* / Q000378:metabolism / Q000473:pathology; D013997:Time Factors
chemical_list: D002273:Carcinogens; D009602:Nitrosamines; C013622:nitrosobis(2-oxopropyl)amine