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  • Title: Effect of DL alpha-lipoic acid on some carbohydrate metabolising enzymes in stone forming rats.
    Author: Jayanthi S, Jayanthi G, Varalakshmi P.
    Journal: Biochem Int; 1991 Sep; 25(1):123-36. PubMed ID: 1663349.
    Abstract:
    DL alpha-lipoic acid has been shown to prevent the induced precipitation of calcium oxalate crystals in the renal tissues of laboratory animals. The acid seems to have a profound influence on carbohydrate metabolism in diabetic rats. Here the effect of alpha-lipoic acid was studied on certain key carbohydrate metabolising enzymes in the tissues of calcium oxalate stone forming rats administered with glycollate as oxalate precursor. There was augmentation of glycolysis in the renal tissues of stone forming as well as lipoate administered rats. The two major gluconeogenic enzymes, glucose-6-phosphatase (G6P) and fructose-1, 6 diphosphatase (FDP) were significantly inhibited in tissues of calculogenic rats. Lipoic acid also reduced the enzyme activities significantly. The citric acid cycle enzymes were not influenced to an appreciable extent. The observed alterations are likely to be due to the regulatory effects of oxalate and lipoate on the enzyme systems.
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