Diabetes, Vol 35, Issue 10 1178-1180, Copyright © 1986 by American Diabetes Association
Novel gene activated in rat insulinomas
S Takasawa, H Yamamoto, K Terazono and H Okamoto
Insulinomas can be induced in experimental animals by the combined administration of diabetogenic agents with polyadenosine diphosphate (polyADP)-ribose synthetase inhibitors. A complementary DNA (cDNA) library that was constructed from streptozocin-nicotinamide-induced rat insulinomas has been found to contain a novel gene encoding a basic protein of 145 amino acids. The gene was expressed in alloxan-nicotinamide-induced insulinomas as well as in streptozocin-nicotinamide-induced insulinomas but not in normal pancreatic islets or in regenerating islets. This indicates that the activation of the gene designated rig, i.e., rat insulinoma gene, may be a general feature of pancreatic beta-cell transformation. This article has been cited by other articles:
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