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In the present study, we examined the molecular mechanism by which homocysteine causes neuronal cell apoptosis. We further investigated the mechanisms of melatonin's ability to reduce homocysteine-induced apoptosis. Consistent with its antioxidant properties, melatonin reduced homocysteine-induced lipid peroxidation and stimulated glutathione peroxidase(More)
Free radical-mediated oxidative stress has been implicated in adverse tissue changes in a number of diseases. In view of the role of oxidative processes in non-insulin dependent diabetes mellitus (NIDDM), in this study, we investigated the oxidant and antioxidant status of plasma in patients with NIDDM and the effect of vitamin E (800 lU/day)(More)
Oxidative stress is suggested to play an important role in the pathogenesis of cardiovascular disease (CVD). Various hormone replacement therapy (HRT) protocols are used to reduce the CVD risk in postmenopausal women. Recent studies found that HRT lowers lipid levels and improves vascular endothelial function in postmenopausal women. In this study the(More)
Polymorphisms in DNA repair genes may be associated with differences in the repair efficiency of DNA damage and may influence an individual's risk of atherosclerosis. Genetic research on coronary artery disease (CAD) has traditionally focused on investigation aimed at identifying disease-susceptibility genes. The aim of this study was to investigate the(More)
Reports indicate that some complications of diabetes mellitus are associated with increased activity of free radicals and accumulation of lipid peroxidation products. The organism's susceptibility to free radical stress and peroxidative damage is related to the balance between the free radical load and the adequacy of antioxidant defenses. In the present(More)
Many studies have shown that diabetes mellitus is associated with increased whole and blood viscosity and decreased erythrocyte deformability. It has been suggested that these abnormalities in blood rheology may play a causative role in the pathogenesis of diabetic vascular complications. However, less is known about the content and quality of membrane(More)
It is well known that various constituents of blood, especially lipids and proteins, and hematological parameters are altered in chronic liver diseases. These alterations have been shown to affect rheological parameters in various studies. However, it is not clear whether the etiology of chronic liver has any specific influence on flow dynamics of blood. In(More)
Hypoxic condition is known to play an important role in the development of acute coronary syndrome (ACS) and understanding mechanism of hypoxic effects is essential to develop new treatment strategies for ACS. Based on the phenotypic features of cardiovascular diseases, it is claimed that genetic factors play an important role in the development genome-wide(More)
We analyzed rheologic parameters, including erythrocyte rigidity (ER), whole blood and plasma viscosity, erythrocyte and platelet count, hemoglobin, hematocrit, mean corpuscular volume (MCV), fibrinogen, erythrocyte sedimentation rate (ESR), cholesterol, triglyceride, high-density lipoprotein (HDL), low-density lipoprotein (LDL), very-low density(More)
Dysfunction of vascular endothelium is known to have an essential role in the atherosclerotic process by releasing mediators including nitric oxide (NO). Nitric oxide maintains endothelial balance by controlling cellular processes of vascular smooth muscle cells. Evidence suggests that variations in the NO pathway could include atherosclerotic events. The(More)