Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:1.6.99.3 (diaphorase)
 5,903 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Gastrocnemius muscle biopsies from 28 patients with chronic renal failure were analyzed with a light microscope after staining with Gomori trichrome stain and after histochemical reactions for ATPase and NADH diaphorase. Nineteen (68%) of the biopsies were pathological. Uremic myopathy was seen in eleven (39%) of the biopsies, eight of which were obtained from subjects on regular hemodialysis. Pure myopathic muscle damage was observed in three (11%), both myopathic and neuropathic muscle damage in eight (29%) and pure neuropathic muscle damage in eight (29%) of the biopsies. Fiber type atrophy and hypertrophy of both types were seen. The most common quantitative findings were Type II atrophy, small mean size and type grouping of Type II fibers, and Type I hypertrophy.
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PMID:Light microscopic study of striated muscle in uremia. 735 73

Skeletal muscle biopsies were performed on 12 healthy sedentary subjects and on 22 non-dyalized chronic renal failure patients (CRF) on a free diet and after overnight fasting. Parathormone, glucagon and insulin were determined at the same time of biopsies. CRF patients showed significantly low ATP and creatine phosphate levels. Regarding enzyme activities, a high hexokinase Vmax was found, while the pyruvate kinase activity was lower than in the control group. For the tricarboxylic acid cycle, citrate synthase, succinate dehydrogenase and malate dehydrogenase activities were higher; total NADH cytochrome c reductase activity was also high, while cytochrome oxidase activity was slightly lower. Both alanine aminotransferase and aspartate aminotransferase activities were considerably high in comparison with the control group. In conclusion, our study revealed a hypermetabolic TCA cycle, but impaired oxidative phosphorylation, which partly explained the reduced ATP concentration. Excessive protein intake and hormonal derangements may play a role in these metabolic changes.
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PMID:Altered muscle energy metabolism in post-absorptive patients with chronic renal failure. 924 94