Abstract
Statins are widely established as an important class of medications for primary and secondary prevention of cardiovascular disease. In addition to their lipid-lowering effects, mounting evidence suggests that statins exhibit non-lipid-lowering mediated effects in the cardiovascular system. These so called “pleiotropic” effects are partly due to antioxidant properties of statins. These are mediated by inhibition of the mevalonate pathway, which interferes with small GTP-ase protein prenylation. This, in turn, leads to anti-oxidant effects of statins via a plethora of mechanisms. Statins prevent the activation of the pro-oxidant enzyme NADPH-oxidase by interfering with Rac1 activation and translocation to the membrane, as well as reducing expression of crucial subunits of NADPH-oxidase. Statins also enhance the expression, enzymatic activity and coupling of endothelial nitric oxide synthase (eNOS), through mevalonate-dependent effects. The net result is a restoration of the redox balance in the cardiovascular system, with subsequent anti-atherosclerotic and cardioprotective effects. While the evidence from basic science studies and animal models is strong, more clinical trials are required to establish the relevance of these pleiotropic effects to human cardiovascular disease and potentially lead to expanded indications for statin treatment or alternative therapeutic strategies.
Keywords: statins, pleiotropic effects, oxidative stress, NADPH-oxidases, eNOS, cardiovascular disease.
Current Pharmaceutical Design
Title:Statins and Oxidative Stress in the Cardiovascular System
Volume: 23 Issue: 46
Author(s): Marios Margaritis, Fabio Sanna and Charalambos Antoniades*
Affiliation:
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford,United Kingdom
Keywords: statins, pleiotropic effects, oxidative stress, NADPH-oxidases, eNOS, cardiovascular disease.
Abstract: Statins are widely established as an important class of medications for primary and secondary prevention of cardiovascular disease. In addition to their lipid-lowering effects, mounting evidence suggests that statins exhibit non-lipid-lowering mediated effects in the cardiovascular system. These so called “pleiotropic” effects are partly due to antioxidant properties of statins. These are mediated by inhibition of the mevalonate pathway, which interferes with small GTP-ase protein prenylation. This, in turn, leads to anti-oxidant effects of statins via a plethora of mechanisms. Statins prevent the activation of the pro-oxidant enzyme NADPH-oxidase by interfering with Rac1 activation and translocation to the membrane, as well as reducing expression of crucial subunits of NADPH-oxidase. Statins also enhance the expression, enzymatic activity and coupling of endothelial nitric oxide synthase (eNOS), through mevalonate-dependent effects. The net result is a restoration of the redox balance in the cardiovascular system, with subsequent anti-atherosclerotic and cardioprotective effects. While the evidence from basic science studies and animal models is strong, more clinical trials are required to establish the relevance of these pleiotropic effects to human cardiovascular disease and potentially lead to expanded indications for statin treatment or alternative therapeutic strategies.
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Cite this article as:
Margaritis Marios , Sanna Fabio and Antoniades Charalambos *, Statins and Oxidative Stress in the Cardiovascular System, Current Pharmaceutical Design 2017; 23 (46) . https://dx.doi.org/10.2174/1381612823666170926130338
DOI https://dx.doi.org/10.2174/1381612823666170926130338 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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