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BACKGROUND Hypertension can be generated by a great number of mechanisms including elevated uric acid (UA) that contribute to the anion superoxide production. However, physical exercise is recommended to prevent and/or control high blood pressure (BP). The purpose of this study was to investigate the relationship between BP and UA and whether this(More)
AIMS Investigate the role of NADPH oxidase on ethanol-induced hypertension and vascular oxidative stress. METHODS Male Wistar rats were treated with ethanol (20% v/v). RESULTS Apocynin (10 mg/kg/day, i.p.) prevented ethanol-induced hypertension. The increased contractility of endothelium-intact and endothelium-denuded aortic rings from ethanol-treated(More)
Erectile dysfunction (ED) is a multifactorial disease associated with vascular dysfunction, low nitric oxide (NO) bioavailability, and oxidative stress. However, it is not known whether low NO bioavailability and oxidative stress affect the responsiveness of ED patients to sildenafil. We tested this hypothesis by studying 28 healthy subjects (control(More)
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