نتایج جستجو برای: oxidative damages
تعداد نتایج: 144696 فیلتر نتایج به سال:
Bile duct ligation (BDL)-treated rats exhibit cholestasis, increased systemic oxidative stress, and liver fibrosis, which ultimately lead to liver cirrhosis. Asymmetric dimethylarginine (ADMA) is a competitive inhibitor of nitric oxide synthase that can decrease the synthesis of nitric oxide. BDL rats have higher plasma and hepatic ADMA levels, which may be due to increased hepatic protein argi...
introduction: toxic effects of pesticides are commonly associated with reactive oxygen species damage and pentoxifylline a phosphodiesterase inhibitor is a drug well known for antioxidant properties. the purpose of this study was to evaluate the oxidative damages following a subacute exposure to malathion, an organophosphorus insecticide and pentoxifylline's ability to counteract these eff...
this study was conducted to evaluate the cytoprotection of various extracts and bioactive compounds found in pistacia vera againts cytotoxicity, ros formation, lipid peroxidation, protein carbonylation , mitochondrial and lysosomal membrane damages in cell toxicity models of diabetes related carbonyl (glyoxal) and oxidative stress (hydroperoxide). methanol, water and ethyl acetate were used to ...
BACKGROUND/AIMS Oxidative stress that damages cells of the retinal pigment epithelium (RPE) can cause the development of hereditary retinal disease (HRD). PRDX6, which is a member of the PRDX family, is essential for removing metabolic free radicals from the body. However, the effect of PRDX6 on oxidative stress in HRD remains unknown. In this study, we sought to investigate the role of PRDX6 i...
The purpose of this study was to evaluate the beneficial effects of organic and conventional grapevine (Vitis labrusca L.) leaf extracts in reducing hydrogen peroxide-induced stress in the liver, heart and kidney of Wistar rats by measuring lipids and proteins damages (carbonyl assay), as well as the activity of the antioxidant enzymes superoxide dismutase and catalase. The preincubation with 5...
Objective: Oxidative stress that damages proteins result in aging and age related diseases. The aim of this study is to determine the effect of tocotrienol rich fraction (TRF) on the expression of proteins in oxidative stress-induced caenohabditis elegans (C.elegans) which has homologous genes to humans. Methods: The worms were treated with TRF prior to, after and continuously in separate group...
acute renal damage mainly develops following toxic or ischemic insults and is defined as acute. these damages have largely been attributed to oxidative stress. recently much attention has been directed toward decreased renal tubular cell regeneration during tubular cell injury. antioxidants have recently been the focus of researchers and scientists for prevention and treatment of various oxidat...
Background: The human body needs both types of oxidants (free radicals) and antioxidants for normal metabolism, signal transduction mechanism, and the order of cellular activity. Free radicals can be either harmful or helpful to the body, in fact, they play a dual role as both toxic and beneficial compounds. The human body has the natural antioxidant defense mechanism to counteract the free rad...
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