نتایج جستجو برای: ubiquinol
تعداد نتایج: 659 فیلتر نتایج به سال:
The cytochrome bo3 ubiquinol oxidase catalyzes the two-electron oxidation of ubiquinol in the cytoplasmic membrane of Escherichia coli, and reduces O2 to water. This enzyme has a high affinity quinone binding site (QH), and the quinone bound to this site acts as a cofactor, necessary for rapid electron transfer from substrate ubiquinol, which binds at a separate site (QL), to heme b. Previous p...
PURPOSE Fatigue is the most common and distressing symptom reported by cancer patients during and after treatment. Tumor growth increases oxidative stress and cytokine production, which causes skeletal muscle wasting and cardiac dysfunction. The purpose of this study was to determine whether treatment with the antioxidant ubiquinol improves muscle mass, cardiac function, and behavioral measures...
Peer attachment formation by systemic redox regulation with social training after a sensitive period
Attachment formation is the most pivotal factor for humans and animals in the growth and development of social relationships. However, the developmental processes of attachment formation mediated by sensory-motor, emotional, and cognitive integration remain obscure. Here we developed an animal model to understand the types of social interactions that lead to peer-social attachment formation. We...
The reversible inhibitory effects of nitric oxide (.NO) on mitochondrial cytochrome oxidase and O(2) uptake are dependent on intramitochondrial.NO utilization. This study was aimed at establishing the mitochondrial pathways for.NO utilization that regulate O-(2) generation via reductive and oxidative reactions involving ubiquinol oxidation and peroxynitrite (ONOO(-)) formation. For this purpose...
1. Cytochrome spectra of liver and heart mitochondria incubated under various conditions are presented to compare the effects of antimycin, colletotrichin and 2-heptyl-4-hydroxyquinoline N-oxide (HQNO) additions. 2. Under aerobic conditions, in State 4, in the presence of uncoupler or in the presence of cyanide, all three inhibitors caused oxidation of cytochromes c and cl, but different change...
Antimycin A, UHDBT and myxothiazol are representatives of different groups of inhibitors of the mitochondria1 bcl complex where they selectively act on the specific sites for quinone reduction and oxidation. We report here their effects on the purified cytochrome bd terminal oxidase complex from Auinelandii which functions as a quinol oxidase. The quinol binding site is, in the E. coli enzyme, ...
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