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Review
. 2019 May 27;400(6):711-732.
doi: 10.1515/hsz-2018-0397.

The effects of oxidative stress on the development of atherosclerosis

Mohsen Khosravi  1 , Adeleh Poursaleh  1 , Ghasem Ghasempour  1 , Shaikhnia Farhad  1 , Mohammad Najafi  2
Affiliations
Review

The effects of oxidative stress on the development of atherosclerosis

Mohsen Khosravi et al. Biol Chem. .

Abstract

Atherosclerosis is a cardiovascular disease (CVD) known widely world wide. Several hypothesizes are suggested to be involved in the narrowing of arteries during process of atherogenesis. The oxidative modification hypothesis is related to oxidative and anti-oxidative imbalance and is the most investigated. The aim of this study was to review the role of oxidative stress in atherosclerosis. Furthermore, it describes the roles of oxidative/anti-oxidative enzymes and compounds in the macromolecular and lipoprotein modifications and in triggering inflammatory events. The reactive oxygen (ROS) and reactive nitrogen species (RNS) are the most important endogenous sources produced by non-enzymatic and enzymatic [myeloperoxidase (MPO), nicotinamide adenine dinucleotide phosphate (NADH) oxidase and lipoxygenase (LO)] reactions that may be balanced with anti-oxidative compounds [glutathione (GSH), polyphenols and vitamins] and enzymes [glutathione peroxidase (Gpx), peroxiredoxins (Prdx), superoxide dismutase (SOD) and paraoxonase (PON)]. However, the oxidative and anti-oxidative imbalance causes the involvement of cellular proliferation and migration signaling pathways and macrophage polarization leads to the formation of atherogenic plaques. On the other hand, the immune occurrences and the changes in extra cellular matrix remodeling can develop atherosclerosis process.

Keywords: antioxidants; atherosclerosis; coronary artery disease; enzyme; oxidant/antioxidant balance; stenosis.

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