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Glycerophosphate-dependent hydrogen peroxide production by rat liver mitochondria

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    0103834 - FGU-C 20040081 RIV CZ eng J - Journal Article
    Ješina, Pavel - Kholová, D. - Bolehovská, R. - Červinková, Z. - Drahota, Zdeněk - Houštěk, Josef
    Glycerophosphate-dependent hydrogen peroxide production by rat liver mitochondria.
    [Glycerofosfát-dependentní produkce peroxidu vodíku v jaterních mitochondriích potkana.]
    Physiological Research. Roč. 53, č. 3 (2004), s. 305-310. ISSN 0862-8408. E-ISSN 1802-9973
    R&D Projects: GA ČR GA303/03/0799; GA MŠMT OC 918.50
    Institutional research plan: CEZ:AV0Z5011922
    Keywords : mitochondrial glycerophosphate dehydrogenace * triiodothyronine * hydrogen peroxide
    Subject RIV: FB - Endocrinology, Diabetology, Metabolism, Nutrition
    Impact factor: 1.140, year: 2004

    We studied the extent to which hormonally-induced mitochondrial glycerophosphate dehydrogenase (mGPDH) activity contributes to the supply of reducing equivalents to the mitochondrial respiratory chain in the rat liver. The activity of glycerophosphate oxidase was compared with those of NADH oxidase and/or succinate oxidase. It was found that triiodothyronine-activated mGPDH represents almost the same capacity for the saturation of the respiratory chain as Complex II. Furthermore, the increase of mGPDH activity induced by triiodothyronine correlated with an increase of capacity for glycerophosphate-dependent hydrogen peroxide production

    Hodnotili jsme jakým podílem přispívá mitochondriální glycerofosfát dehydrogenáza (mGPDH) redukčními equivalenty do respiračního řetězce ve srovnání s NADH a succinát oxidázou. Prokázali jsme, že hormonálně stimulovaná glycerofosfát oxidáza mitochondrií jater potkana má stejnou aktivitu jako komplex II. Vzestup aktivity glycerofosfát oxidázy koreloval se zvýšenou kapacitou produkce glycerofosfát dependentní tvorby peroxidů
    Permanent Link: http://hdl.handle.net/11104/0011140

     
     

Number of the records: 1  

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