Voprosy meditsinskoi khimii (ISSN 0042-8809)

Catecholamine metabolism and mitochondrial enzyme activity

   
Tapbergenov S.O.
PubMed Id: 6123194
Year: 1982 vol: 28  issue:2  pages: 52-58
Abstract: Specific effects of various catecholamines as well as functional dependence of mitochondrial enzymes activity on catecholamine metabolism were studied. Dopamine activated cytochrome c oxidase in heart mitochondria and decreased this enzymatic activity in liver tissue. Noradrenaline and adrenaline activated cytochrome c oxidase in liver, brain and kidney tissues. The effect of dopamine on cytochrome c oxidase was prevented by activation of dopamine beta-hydroxylase. Increased activity of monoamine oxidase caused accumulation of catecholamine metabolites, which inhibited the succinate dehydrogenase activity in liver tissue and the cytochrome c oxidase activity in brain, kidney and liver tissues. In the catecholamine regulation of succinate dehydrogenase and ATPase activities in all the tissues studied as well as of cytochrome c oxidase activity in heart tissue the quinoid oxidation products were apparently involved.
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Reference: Tapbergenov S.O., Catecholamine metabolism and mitochondrial enzyme activity, Voprosy meditsinskoi khimii, 1982, vol: 28(2), 52-58.
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