نتایج جستجو برای: no synthase
تعداد نتایج: 3361032 فیلتر نتایج به سال:
OBJECTIVES Nitric oxide (NO) synthesis by NO synthases (NOS) requires oxygen. However, although counterintuitive, NO synthesis is increased in ischemic myocardium. Accordingly, mechanisms independent of the NOS pathway have been suggested to contribute to NO synthesis during ischemia. NO initiates detrimental as well as protective mechanisms in a concentration-dependent manner, thus aggravating...
objective(s): investigation of acute effect on cellular bioenergetics provides the opportunity to characterize the possible adverse effects of drugs more comprehensively. this study aimed to investigate the changes in biochemical and biophysical properties of heart mitochondria induced by captopril and nifedipine antihypertensive treatment. materials and methods: male, 12-week-old wistar rats i...
Endothelial NO synthase (eNOS) produces superoxide when depleted of (6R)-5,6,7,8-tetrahydro-L-biopterin (BH4) and L-arginine by uncoupling the electron flow from NO production. High expression of eNOS has been reported to have beneficial effects in atherosclerotic arteries after relatively short periods of time. However, sustained high expression of eNOS may have disadvantageous vascular effect...
Background: Nitric oxide is involved in many physiological functions of the body. And its important roles in biological process is still the matter of investigation. Nitric oxide is synthesized from the amino acid L-arginine by NO synthase in the presence of oxygen and NADHP (Nicotinamide Adenine Dinucleotide Phosphate). It has been recognized that NO has many protective roles in the immune sys...
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