نتایج جستجو برای: malondialdehyde
تعداد نتایج: 11342 فیلتر نتایج به سال:
renal ischemia-reperfusion (ir) injury is a common problem in kidney transplantation. there is increasing evidence about the role of the reactive oxygen species (ros) in these injuries and endogenous antioxidants seem to have an important role in decreasing the renal tissue injury. the aim of this study was to investigate the effects of kidney ir on renal antioxidant enzymes activity such as ca...
The aim of this study was to evaluate the levels of malondialdehyde as an oxidative stress marker in the same hemodialysis patients after changing the quality of dialysate with ultrapure dialysis fluid. Methods. This prospective study concerns hemodialysis patients; all patients were in the first step treated with conventional dialysate, and in the second step (three months later) the same pati...
CONTEXT Release of oxygen free radicals is increased in acute pancreatitis, but whether this can be used to predict clinical severity is not known. OBJECTIVE This study assesses whether plasma concentrations of malondialdehyde (a marker of lipid peroxidation) and superoxide dismutase (an oxygen free radical scavenger) can be used to predict severity of acute pancreatitis. PATIENTS Fifty-one...
(1) Increased oxidative stress plays a significant role in the etiology of cardiovascular disease. Lipid peroxidation, initiated in the presence of hydroxy radicals resulting in the production of malondialdehyde, directly produces oxidative stress. This study was designed to examine the direct impact of malondialdehyde on ventricular contractile function at the single cardiac myocyte level. Ven...
BACKGROUND AND PURPOSE Oxidative stress has been postulated to account for delayed neuronal death due to ischemia/reperfusion. We investigated cerebral formation of malondialdehyde as an index of lipid peroxidation in relation to different sources of reactive oxygen species in patients undergoing carotid endarterectomy. METHODS In 25 patients undergoing carotid endarterectomy, jugular venous-...
results theophylline-treated rats showed mda level elevation and gpx activity reduction. quercetin treatment improved heart conditions and resulted in a significant reduction in mda levels and elevation in gpx activity. moreover, co-administration of quercetin and theophylline increased the heart weight significantly. furthermore, histophatological study showed no changes in the treated groups....
Helicobacter pylori infection is associated with elevated gastric mucosal concentrations of the lipid peroxidation product malondialdehyde and reduced gastric juice vitamin C concentrations. Malondialdehyde can react with DNA bases to form the mutagenic adduct malondialdehyde-deoxyguanosine (M(1)-dG). We aimed to determine gastric mucosal levels of M(1)-dG in relation to H. pylori infection and...
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