نتایج جستجو برای: key words oxidative stress
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oxidation of low density lipoprotein (ldl) particles plays a key role in the etiology of atherosclerosis and coronary artery disease (cad). oxidative stress enhances the likelihood of ldl oxidation and atherosclerotic plaque development. paraoxonase (poni) is an enzyme associated with hdl that metabolizes organophosphates and has antioxidant activity. in order to investigate the relationship be...
the metabolic syndrome (ms) recognized as a major cause of type 2 diabetes and cardiovascular diseases, has become one of the major public health challenges worldwide. the pathogenesis of the metabolic syndrome is multiple and still poorly understood. no single factor has yet been identified as an underlying causal factor. there is a growing belief, however, that obesity, specially visceral obe...
Oxidative stress plays an important role in the degeneration of dopaminergic neurons in Parkinson's disease (PD). Disruptions in the physiologic maintenance of the redox potential in neurons interfere with several biological processes, ultimately leading to cell death. Evidence has been developed for oxidative and nitrative damage to key cellular components in the PD substantia nigra. A number ...
selenium plays an important role in biological system due to its incorporation in glutathione peroxidases and thioredoxin reductase as prosthetic group, the pharmacological studies of synthetic organoseleno-compounds revealed these molecules to be used as antioxidants, enzyme inhibitors, neuroprotectors, antitumor, anti-infectious agents, cytokine inducers and immuno-modulators. the present stu...
different contraceptive methods are used by breastfeeding mothers. in general, these methods are classified into two major groups, hormonal and non-hormonal. a number of studies have shown that combined oral contraceptive pills may adversely affect the quality and the quantity of human milk. in other studies it has been shown that estrogen and progesterone seem to reduce the risk of cardiac and...
There are several oxidative stress-related pathways interconnecting Alzheimer's disease and type II diabetes, two public health problems worldwide. Coincidences are so compelling that it is attractive to speculate they are the same disorder. However, some pathological mechanisms as observed in diabetes are not necessarily the same mechanisms related to Alzheimer's or the only ones related to Al...
objective(s): zinc oxide nanoparticles (znp) are increasingly used in sunscreens, biosensors, food additives and pigments. in this study the effects of znp on liver of rats was investigated. materials and methods: experimental groups received 5, 50 and 300 mg/kg znp respectively for 14 days. control group received only distilled water. alt, ast and alp were considered as biomarkers to ind...
Calcium disequilibrium is extensively involved in oxidative stress-induced neuronal injury. Although Homer1a is known to regulate several neuronal calcium pathways, its effects on, or its exact relationship with, oxidative stress-induced neuronal injury has not yet been fully elucidated. We found that Homer1a protected HT-22 cells from glutamate-induced oxidative stress injury by inhibiting fin...
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