Abstract
Atherosclerosis and its complications represent the major cause of death in developed countries. Statins are inhibitors of 3-hydroxy-3-methylglutaryl coenzyme A [HMGCoA] reductase and consequently inhibitors of cholesterol biosynthesis. Statins have been described as the most potent class of drugs to reduce serum cholesterol levels. In clinical trials, statins are beneficial in primary and secondary prevention of coronary heart disease. Statins, were initially designed as cholesterol-lowering drugs. However, these drugs, besides their lipid-lowering properties, exert a number of protective effects on the cardiovascular system that emerged over the past years. The benefits observed with statin treatment appear to be greater than that might be expected from reduction in lipid levels alone, suggesting effects beyond cholesterol lowering. These cholesterol-independent effects have been called “pleiotropic”. The cholesterol-independent or “pleiotropic” effects of statins involve improvement of endothelial function, stability of atherosclerotic plaques, decrease of oxidative stress and inflammation, and inhibition of thrombogenic response. These pleiotropic effects of statins have been proposed as key properties of these drugs to reduce cardiovascular morbidity and mortality. The present review will emphasize the molecular mechanisms underlying the effects of statins on endothelial function and oxidative stress. In particular, inhibition of small GTP-binding proteins, Rho, Ras and Rac, which are regulated by isoprenoids [farnesyl pyrophosphate and geranylgeranyl pyrophosphate], seems to play an important role in mediating the pleiotropic effects of statins.
Keywords: HMGCoA reductase inhibitors, cholesterol, LDL, endothelial dysfunction, oxidative stress, inflammation, atherosclerosis, isoprenoids, GTP-proteins
Current Medicinal Chemistry
Title: Endothelial Dysfunction, Oxidative Stress and Inflammation in Atherosclerosis: Beneficial Effects of Statins
Volume: 14 Issue: 2
Author(s): Vicente Lahera, Marian Goicoechea, Soledad Garcia de Vinuesa, Maria Miana, Natalia de las Heras, Victoria Cachofeiro and Jose Luno
Affiliation:
Keywords: HMGCoA reductase inhibitors, cholesterol, LDL, endothelial dysfunction, oxidative stress, inflammation, atherosclerosis, isoprenoids, GTP-proteins
Abstract: Atherosclerosis and its complications represent the major cause of death in developed countries. Statins are inhibitors of 3-hydroxy-3-methylglutaryl coenzyme A [HMGCoA] reductase and consequently inhibitors of cholesterol biosynthesis. Statins have been described as the most potent class of drugs to reduce serum cholesterol levels. In clinical trials, statins are beneficial in primary and secondary prevention of coronary heart disease. Statins, were initially designed as cholesterol-lowering drugs. However, these drugs, besides their lipid-lowering properties, exert a number of protective effects on the cardiovascular system that emerged over the past years. The benefits observed with statin treatment appear to be greater than that might be expected from reduction in lipid levels alone, suggesting effects beyond cholesterol lowering. These cholesterol-independent effects have been called “pleiotropic”. The cholesterol-independent or “pleiotropic” effects of statins involve improvement of endothelial function, stability of atherosclerotic plaques, decrease of oxidative stress and inflammation, and inhibition of thrombogenic response. These pleiotropic effects of statins have been proposed as key properties of these drugs to reduce cardiovascular morbidity and mortality. The present review will emphasize the molecular mechanisms underlying the effects of statins on endothelial function and oxidative stress. In particular, inhibition of small GTP-binding proteins, Rho, Ras and Rac, which are regulated by isoprenoids [farnesyl pyrophosphate and geranylgeranyl pyrophosphate], seems to play an important role in mediating the pleiotropic effects of statins.
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Lahera Vicente, Goicoechea Marian, Garcia de Vinuesa Soledad, Miana Maria, Heras Natalia de las, Cachofeiro Victoria and Luno Jose, Endothelial Dysfunction, Oxidative Stress and Inflammation in Atherosclerosis: Beneficial Effects of Statins, Current Medicinal Chemistry 2007; 14 (2) . https://dx.doi.org/10.2174/092986707779313381
DOI https://dx.doi.org/10.2174/092986707779313381 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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