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  • Title: Studies on the role of the liver and splanchnic tissues in the production of carbohydrate intolerance in uremia.
    Author: Delmez JA, Rutherford WE, Klahr S, Blondin J.
    Journal: Metabolism; 1981 Jul; 30(7):658-65. PubMed ID: 6113533.
    Abstract:
    The potential contribution of the splanchnic tissues to the carbohydrate intolerance of uremia was studied in fasted, partially nephrectomized rats. The livers of sham operated (C) and partially nephrectomized (Nx) rats were perfused with physiologic concentrations of potential gluconeogenic substrates using a nonrecirculating perfusion apparatus. Glucose release was slightly greater in the livers of Nx rats as compared to C rats. The portal vein concentrations of the potential gluconeogenic precursors were not different in the two groups. Moreover, there were no differences in the net hepatic extraction of alanine, glutamine or glutamate between the two groups of rats. There was also no difference in the production of glucose from U14C alanine. The livers of Nx rats, however, demonstrated less net extraction of lactate and released greater concentrations of betahydroxybutyrate. The increased release of glucose by livers of Nx rats may be at least partially due to their greater hepatic glycogen content.
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