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  • Title: Endocrine pancreatic function during atrophy of the exocrine gland.
    Author: Fölsch UR, Fussek M, Ebert R, Creutzfeldt W.
    Journal: Pancreas; 1988; 3(5):536-42. PubMed ID: 3054869.
    Abstract:
    Serum levels of glucose, insulin, and gastric inhibitory polypeptide (GIP) in response to intraduodenal and intravenous glucose loads have been examined in rats with exocrine pancreatic atrophy induced by feeding them a copper-deficient diet supplemented with D-penicillamine for 10-12 weeks. Whereas pancreatic weight and protein and trypsin content were drastically reduced as compared with pair-fed controls, insulin content was not significantly different between experimental (1.10 U) and control (1.40 U) rats. The intravenous glucose infusion was given in a dose (1.2 g/kg/h) simulating the glucose concentrations observed in response to an intraduodenal glucose load of 2.0 g/kg body weight. Both basal and stimulated insulin concentrations were lower in experimental animals as compared with controls. However, if the relative insulin response is considered, insulin secretion was almost identical in experimental and control animals. Both groups released significantly more insulin after intraduodenal glucose load than after intravenous glucose application. It is concluded that the entero-insular axis is intact in rats with exocrine pancreatic atrophy.
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