نتایج جستجو برای: xanthin oxidase inhibitor
تعداد نتایج: 257148 فیلتر نتایج به سال:
Molybdenum hydroxylases, aldehyde oxidase and xanthine oxidoreductase, were shown to be involved in the nitroreduction of 2-nitrofluorene (NF), 1-nitropyrene, and 4-nitrobiphenyl, environmental pollutants, in the skin of various mammalian species. NF was reduced to 2-aminofluorene by hamster skin cytosol in the presence of 2-hydroxypyrimidine, 4-hydroxypyrimidine, N(1)-methylnicotinamide, or be...
The observation that aliphatic diamines become poor substrates as the carbon chain length decreases and that ethylenediamine, the shortest diamine, is an irreversible inhibitor of lysyl oxidase led to the investigation of the mechanism of inhibition by ethylenediamine. The cis but not the trans isomer of 1,2-diaminocyclohexane was also a potent irreversible inhibitor of lysyl oxidase, consisten...
Type 1 diabetes provokes a protein kinase C (PKC)-dependent accumulation of superoxide anion in the renal medullary thick ascending limb (mTAL). We hypothesized that this phenomenon involves PKC-dependent NAD(P)H oxidase activation. The validity of this hypothesis was explored using mTAL suspensions prepared from rats with streptozotocin-induced diabetes and from sham (vehicle-treated) rats. Su...
The neutrophil NADPH-oxidase can be activated by protein kinase C (PKC) agonists such as phorbol myristate acetate (PMA), resulting in superoxide anion release. This superoxide release is independent of phosphatidylinositol 3-kinase (PI 3-kinase) because the inhibitor wortmannin does not affect the response. In this study, PMA is shown to also induce a wortmannin-sensitive NADPH-oxidase activat...
Vascular stretch induces NADPH oxidase-derived superoxide anion (O2-), which has been implicated in hypertrophy and cell proliferation. We hypothesized that targeted delivery of an NADPH oxidase inhibitor to the adventitia would reduce stretch-induced vascular O2- and attenuate neointima formation. We designed a novel replication-deficient adenovirus containing a fibroblast-active promoter driv...
BACKGROUND It is not known whether thromboxane A2 impairs adenosine triphosphate (ATP)-sensitive K channel function via increased production of superoxide in blood vessels and whether propofol as a nicotinamide adenine dinucleotide phosphate (NADPH) oxidase inhibitor restores this modification. METHODS Rat aortas without endothelium were used for isometric force recording, measurements of mem...
Renal hypertrophy and extracellular matrix accumulation are early features of diabetic nephropathy. Hyperglycemia-induced oxidative stress is implicated in the etiology of diabetic nephropathy. Resveratrol has potent antioxidative and protective effects on diabetic nephropathy. We aimed to examine whether high glucose (HG)-induced NADPH oxidase activation and reactive oxygen species (ROS) produ...
Diamine oxidase is continuously released from the intestinal mucosa and carried to the circulation by the lymphatics. The effect of nutrients on this release was examined. Rats were prepared with duodenal and intestinal lymph cannulas. Test mixtures of lipid emulsions containing triolein, oleic acid, or tricaprylin and solutions of carbohydrate and protein were infused into the duodenum. The en...
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