نتایج جستجو برای: Oxidative damages
تعداد نتایج: 144696 فیلتر نتایج به سال:
The main goal of the work reported here was to determine the degree of oxidative/alkali-labile DNA damages in peripheral blood as well as in the blood stasis from varicose vein of (chronic venous disorder) CVD patients. Moreover, determination of the impact of Detralex usage on the level of (oxidative) DNA damages in CVD patients was evaluated as well.The degree of oxidative DNA damages was stu...
Polycyclic aromatic hydrocarbons (PAHs), a class of mutagenic environmental contaminants, insert toxicity through both metabolic activation and light irradiation. Pyrene, one of the most widely studied PAHs, along with its mono-substituted derivatives, 1-amino, 1-bromo, 1-hydroxy, and 1-nitropyrene, were chosen to study the effect of substituents on their phototoxicity, DNA damage and repair. B...
Oxidative stress is known to impair architecture and function of cells, which may lead to various chronic diseases, and therefore therapeutic and nutritional interventions to reduce oxidative damages represent a viable strategy in the amelioration of oxidative stress-related disorders, including neurodegenerative diseases. Over the past decade, a variety of natural polysaccharides from function...
many studies indicate that oxidative stress is involved in the pathophysiology of neurodegenerative diseases. oxidative stress can induce neuronal damages, modulate intracellular signaling and ultimately leads to neuronal death by apoptosis or necrosis. to review antioxidants preventive effects on oxidative stress and neurodegenerative diseases we accumulated data from international medical jou...
The study of DNA lesions and changes, produced by interaction with UV or ionizing radiation and by the effects of oxidative stress, is a multidisciplinary research field in life sciences that has yelded exciting discoveries in the last few decades. The importance of this study is clearly enhanced by its strong societal impact, because of the connections of DNA lesions with carcinogenetic proces...
Obligate aerobes have respiratory metabolism with oxygen as the terminal electron acceptor. Therefore, they can produce ROS and oxidative damages in foodstuff which is contaminated. The egg yolks were incubated with different dilution of standard of E.coli and lipid peroxidation was assayed. The level of lipid peroxidation of high group (10 7 ) was 0.061±0.01 as compared with control; 0.016±0.0...
It has been postulated that ionizing radiation produces a unique form of cellular DNA damage called "clustered damages" or "multiply damaged sites". Here, we show that clustered DNA damages are indeed formed in Escherichia coli by ionizing radiation and are converted to lethal double-strand breaks during attempted base-excision repair. In wild-type cells possessing the oxidative DNA glycosylase...
The present study was to explore the effect of metallothionein (MT) on intermittent hypoxia (IH) induced aortic pathogenic changes. Markers of oxidative damages, inflammation, and vascular remodeling were observed by immunohistochemical staining after 3 days and 1, 3, and 8 weeks after IH exposures. Endogenous MT was induced after 3 days of IH but was significantly decreased after 8 weeks of IH...
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