Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.1.3.9 (glucose-6-phosphatase)
 3,081 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The congenital lactic acidosis form a heterogeneous group of inborn errors that includes defects of gluconeogenesis, the pyruvate dehydrogenase complex, the Krebs cycle and the respiratory chain. These disorders are not easily classified because of the absence of specific metabolites, difficulties in providing suitable tissue specimens and technical problems with the enzyme assays. The commonest causes of lactic acidosis due to inborn errors are the deficiencies of glucose-6-phosphatase and fructose bisphosphatase, which present with hypoglycaemia, lactic acidosis and hepatomegaly. Pyruvate carboxylase and phosphoenolpyruvate deficiencies vary considerably in both clinical expression and biochemical findings. Neurological symptoms predominate in defects of the pyruvate dehydrogenase complex, and some cases of the spinocerebellar ataxias may be due to partial defects of the pyruvate and 2-oxoglutarate dehydrogenase complexes.
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PMID:Problems in the congenital lactic acidoses. 628 Sep 37

We evaluated the effect of sodium molybdate on carbohydrate metabolizing enzymes and mitochondrial enzymes in diabetic rats. Diabetic rats showed a significant reduction in the activities of glucose metabolising enzymes like hexokinase, glucose-6-phosphate dehydrogenase, glycogen synthase and in the level of glycogen. An elevation in the activities of aldolase, glucose-6-phosphatase, fructose 1,6- bisphosphatase, glycogen phosphorylase and in the level of blood glucose were also observed in diabetic rats when compared to control rats. The activities of mitochondrial enzymes isocitrate dehydrogenase, alpha-ketoglutarate dehydrogenase, succinate dehydrogenase, malate dehydrogenase, NADH-dehydrogenase and cytochrome-C-oxidase were also significantly lowered in diabetic rats. Molybdate administration to diabetic rats reversed the above changes in a significant manner. From our observations, we conclude that administration of sodium molybdate regulated the blood sugar levels in alloxan-induced diabetic rats. Sodium molybdate therapy not only maintained the blood glucose homeostasis but also altered the activities of carbohydrate metabolising enzymes. Molybdate therapy also considerably improved the activities of mitochondrial enzymes, thereby suggesting its role in mitochondrial energy production.
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PMID:Effect of sodium molybdate on carbohydrate metabolizing enzymes in alloxan-induced diabetic rats. 1183 16

Semecarpus anacardium Linn. of the family Anacardiaceae has many applications in the Ayurvedic and Siddha systems of medicine. We have evaluated the effect of S. anacardium nut milk extract on carbohydrate metabolizing enzymes and mitochondrial tricarboxylic acid cycle and respiratory enzymes in liver and kidney mitochondria of dimethyl benzanthracene-induced mammary carcinoma in Sprague-Dawley rats. Mammary carcinoma-bearing rats showed a significant rise in glycolytic enzymes (hexokinase, phosphoglucoisomerase and aldolase) and a simultaneous fall in gluconeogenic enzymes (glucose-6-phosphatase and fructose 1,6-diphosphatase). The activities of mitochondrial enzymes isocitrate dehydrogenase, alpha-ketoglutarate dehydrogenase, succinate dehydrogenase, malate dehydrogenase, NADH-dehydrogenase and cytochrome C oxidase were significantly lowered in mammary carcinoma-bearing rats when compared with control rats. S. anacardium nut extract administration to tumour-induced animals significantly lowered the glycolytic enzyme activities (hexokinase, phosphoglucoisomerase and aldolase) and there was a rise in gluconeogenic enzymes (glucose-6-phosphatase and fructose 1,6-diphosphatase), which indicated an antitumour and anticancer effect. Comparison of normal control rats and rats administered S. anacardium only as drug control animals showed no significant variations in enzyme activities. S. anacardium nut extract administration to dimethyl benzanthracene-tumour-induced animals significantly increased the activities of mitochondrial enzymes, thereby suggesting its role in mitochondrial energy production.
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PMID:Therapeutic effect of Semecarpus anacardium Linn. nut milk extract on carbohydrate metabolizing and mitochondrial TCA cycle and respiratory chain enzymes in mammary carcinoma rats. 1460 72