Abstract
In the brain of rats exposed to 5–7 hypoglycemic comas, at the 2nd day after the last coma, an increase of NADP-isocitrate dehydrogenase activity and acceleration of catabolism of adenyl nucleotides as well as a decrease of activities of NADH-dehydrogenase, mitochondrial NADP-isocitrate dehydrogenase, glucose-6-phosphate dehydrogenase, glutathione reductase, and superoxide dismutase were found, whereas no changes of the rate of glycolysis were revealed. After placing sections of brain large hemispheres from experimental animals into hypoosmotic medium supplied with Fe2+ and ascorbate, the release of lactate dehydrogenase was increased. A considerable increase of concentration of malonic dialdehyde is observed in brain sections of experimental rats. The obtained results indicate that disturbances of energy metabolism and activation of processes of lipid peroxidation are involved in pathogenesis of post-hypoglycemic encephalopathy.
Published Version
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