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Oxidative stress and atherosclerosis

Oxidative stress and atherosclerosis

Orvosi Hetilap 156(28): 1115-1119

Atherosclerosis is a leading cause of death in developed countries. Genetic susceptibility and environmental factors play a role in the pathogenesis. Most of these factors lead to endothelial dysfunction and other pro-atherogenic processes by causing oxidative stress. Atherosclerosis typically develops at the curved and branched regions of the arterial tree, where the laminar blood flow is disturbed. This leads to increased permeability of the endothelium to low density lipoprotein molecules, which accumulate in the intima and are oxidised by vascular cells. Oxidised low density lipoprotein takes part in many phases of atherogenesis: stimulates the binding of monocytes to the endothelium, foam cell formation, the development of plaques, plaque destabilization and thrombotic complications. Since oxidative stress plays an important role in atherogenesis, it has been suggested that antioxidant molecules might have anti-atherogenic function. Many clinical investigations have shown that antioxidants such as N-acetylcystein, vitamin E and C, folic acid, and estrogens can prevent atherosclerosis, however, randomized studies failed to confirm this effect.

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Accession: 058488891

Download citation: RISBibTeXText

PMID: 26149503

DOI: 10.1556/650.2015.30201

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