نتایج جستجو برای: nicotinamide adenine dinucleotide phosphate
تعداد نتایج: 125473 فیلتر نتایج به سال:
A reduction in the survival of Salmonella typhimurium TA 1530 was observed when the bacteria were incubated with aflatoxin B¡,rat liver microsomes, and a reduced nicotinamide adenine dinucleotide phosphate-generating system. The lethality appeared to depend on the formation of a metabolite of aflatoxin B] by a mixed-function oxygenase system. The killing was very rapid; only 1% of the bacteria...
BACKGROUND AND PURPOSE Normobaric oxygenation (NBO) and ethanol both provide neuroprotection in stroke. We evaluated the enhanced neuroprotective effect of combining these 2 treatments in a rat stroke model. METHODS Sprague-Dawley rats were subjected to middle cerebral artery occlusion for 2 hours. Reperfusion was then established and followed by treatment with either (1) an intraperitoneal i...
Hypertensive transgenic (mRen2)27 rats with overexpression of the mRen2 gene have impaired baroreflex sensitivity for heart rate control and high nicotinamide adenine dinucleotide phosphate oxidase and kinase-to-phosphatase signaling activity in medullary tissue compared with normotensive Hannover Sprague-Dawley control rats. They also exhibit insulin resistance at a young age. To determine whe...
Alveolar type II cells were isolated from five human lung specimens obtained during resection or lobectomy and enriched to 63-85% purity. Digestion with Sigma protease type XIV followed by centrifugal elutriation and Percoll density gradient centrifugation yielded 1.2 +/- 0.4 X 10(6) cells/g lung in the type II cell fractions. The activities of some enzymes involved in the metabolism of xenobio...
Hypertensive cardiovascular damage is accelerated by salt loading but counteracted by dietary potassium supplementation. We suggested recently that antioxidant actions of potassium contribute to protection against salt-induced cardiac dysfunction. Therefore, we examined whether potassium supplementation ameliorated cuff-induced vascular injury in salt-sensitive hypertension via suppression of o...
RATIONALE Adiponectin has anti-inflammatory effects in experimental models, but its role in the regulation of myocardial redox state in humans is unknown. Although adiponectin is released from epicardial adipose tissue (EpAT), it is unclear whether it exerts any paracrine effects on the human myocardium. OBJECTIVE To explore the cross talk between EpAT-derived adiponectin and myocardial redox...
The major role of glucose-6-phosphate dehydrogenase (G6PD) is to generate reduced nicotinamide adenine dinucleotide phosphate (NADPH), which is indispensable to reductive metabolism and maintenance of cellular redox homeostasis. Most advances in this field have been made in the pathophysiology of G6PD-deficient erythrocytes and the molecular characterization of different G6PD variants. Recently...
background and purpose: chronic granulomatous disease (cgd) is an inherited disorder of the nicotinamide adenine dinucleotide phosphate (nadph) oxidase complex. this disorder results in recurrent life-threatening bacterial and fungal infections. aspergillus species are the most common fungal infections in these patients. case report: herein, we present a case of fungal infection in a girl with ...
Previous work shows that replacement of the nicotinamide moiety of nicotinamide adenine dinucleotide with other substituted pyridines leads to a useful series of analogues of this coenzyme (3, 4). The present communication describes the preparation and properties of a different series of analogues obtained by systematic modification of the adenine moiety of NAD. The only adenine-modified analog...
Hepatic hyperplastic nodules induced in mice by long-term griseofulvin administration were examined for selected microsomal activities and responses to enzyme inducers. Despite a decrease in microsomal cytochrome P-450 in hyperplastic nodules, aminopyrine N-demethylase was at control levels. Benzopyrene hydroxylase activity was slightly lower in microsomes derived from hyperplastic nodules than...
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