Acute Reduction of Myocardial Infarct Size By a Hydroxymethyl Glutaryl Coenzyme A Reductase Inhibitor Is Mediated by Endothelial Nitric Oxide Synthase
In addition to their lipid-lowering properties, statins improve endothelial function by increasing the activity of endothelial nitric oxide synthase (eNOS). It was hypothesized that, by this mechanism, statins protect the myocardium from ischemia/reperfusion injury in normocholesterolemic animals. R...
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| Veröffentlicht in: | Journal of cardiovascular pharmacology 2003-03, Vol.41 (3), p.474-480 |
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| creator | Wolfrum, Sebastian Grimm, Michael Heidbreder, Marc Dendorfer, Andreas Katus, Hugo A Liao, James K Richardt, Gert |
| description | In addition to their lipid-lowering properties, statins improve endothelial function by increasing the activity of endothelial nitric oxide synthase (eNOS). It was hypothesized that, by this mechanism, statins protect the myocardium from ischemia/reperfusion injury in normocholesterolemic animals. Rats were pretreated for 1 week with either cerivastatin (0.3 mg/kg/d) or placebo. Anesthetized animals underwent 30 minutes of coronary artery occlusion (CAO) followed by 180 minutes of reperfusion. In a separate set of experiments, the NOS inhibitor l-NAME (15 mg/kg; N-nitro-l-arginine methyl ester) was administered 15 minutes before CAO. Cerivastatin decreased infarct size by 49% (P < 0.05) without reducing plasma cholesterol levels. Cerivastatin increased myocardial eNOS mRNA and NOS activity and by 52% and 58% (P < 0.05), respectively. Cardioprotection and upregulation of eNOS activity evoked by cerivastatin were not observed in rats cotreated with l-NAME. These results show that statins reduce the extent of myocardial necrosis in normocholesterolemic rats after acute ischemia/reperfusion injury by increasing myocardial eNOS activity. Therefore, statins may protect the heart not only by reducing the incidence of ischemic events, but also by limiting cell damage during acute myocardial infarction. |
| doi_str_mv | 10.1097/00005344-200303000-00017 |
| format | Article |
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It was hypothesized that, by this mechanism, statins protect the myocardium from ischemia/reperfusion injury in normocholesterolemic animals. Rats were pretreated for 1 week with either cerivastatin (0.3 mg/kg/d) or placebo. Anesthetized animals underwent 30 minutes of coronary artery occlusion (CAO) followed by 180 minutes of reperfusion. In a separate set of experiments, the NOS inhibitor l-NAME (15 mg/kg; N-nitro-l-arginine methyl ester) was administered 15 minutes before CAO. Cerivastatin decreased infarct size by 49% (P < 0.05) without reducing plasma cholesterol levels. Cerivastatin increased myocardial eNOS mRNA and NOS activity and by 52% and 58% (P < 0.05), respectively. Cardioprotection and upregulation of eNOS activity evoked by cerivastatin were not observed in rats cotreated with l-NAME. These results show that statins reduce the extent of myocardial necrosis in normocholesterolemic rats after acute ischemia/reperfusion injury by increasing myocardial eNOS activity. Therefore, statins may protect the heart not only by reducing the incidence of ischemic events, but also by limiting cell damage during acute myocardial infarction.</description><identifier>ISSN: 0160-2446</identifier><identifier>EISSN: 1533-4023</identifier><identifier>DOI: 10.1097/00005344-200303000-00017</identifier><identifier>PMID: 12605027</identifier><identifier>CODEN: JCPCDT</identifier><language>eng</language><publisher>Philadelphia, PA: Lippincott Williams & Wilkins, Inc</publisher><subject>Animals ; Antianginal agents. Coronary vasodilator agents ; Biological and medical sciences ; Cardiovascular system ; Enzyme Activation - drug effects ; Enzyme Activation - physiology ; Hydroxymethylglutaryl-CoA Reductase Inhibitors - pharmacology ; Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use ; Male ; Medical sciences ; Myocardial Infarction - drug therapy ; Myocardial Infarction - enzymology ; Myocardial Infarction - pathology ; Nitric Oxide Synthase - physiology ; Nitric Oxide Synthase Type III ; Pharmacology. 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It was hypothesized that, by this mechanism, statins protect the myocardium from ischemia/reperfusion injury in normocholesterolemic animals. Rats were pretreated for 1 week with either cerivastatin (0.3 mg/kg/d) or placebo. Anesthetized animals underwent 30 minutes of coronary artery occlusion (CAO) followed by 180 minutes of reperfusion. In a separate set of experiments, the NOS inhibitor l-NAME (15 mg/kg; N-nitro-l-arginine methyl ester) was administered 15 minutes before CAO. Cerivastatin decreased infarct size by 49% (P < 0.05) without reducing plasma cholesterol levels. Cerivastatin increased myocardial eNOS mRNA and NOS activity and by 52% and 58% (P < 0.05), respectively. Cardioprotection and upregulation of eNOS activity evoked by cerivastatin were not observed in rats cotreated with l-NAME. These results show that statins reduce the extent of myocardial necrosis in normocholesterolemic rats after acute ischemia/reperfusion injury by increasing myocardial eNOS activity. Therefore, statins may protect the heart not only by reducing the incidence of ischemic events, but also by limiting cell damage during acute myocardial infarction.</description><subject>Animals</subject><subject>Antianginal agents. Coronary vasodilator agents</subject><subject>Biological and medical sciences</subject><subject>Cardiovascular system</subject><subject>Enzyme Activation - drug effects</subject><subject>Enzyme Activation - physiology</subject><subject>Hydroxymethylglutaryl-CoA Reductase Inhibitors - pharmacology</subject><subject>Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Myocardial Infarction - drug therapy</subject><subject>Myocardial Infarction - enzymology</subject><subject>Myocardial Infarction - pathology</subject><subject>Nitric Oxide Synthase - physiology</subject><subject>Nitric Oxide Synthase Type III</subject><subject>Pharmacology. 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Coronary vasodilator agents</topic><topic>Biological and medical sciences</topic><topic>Cardiovascular system</topic><topic>Enzyme Activation - drug effects</topic><topic>Enzyme Activation - physiology</topic><topic>Hydroxymethylglutaryl-CoA Reductase Inhibitors - pharmacology</topic><topic>Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Myocardial Infarction - drug therapy</topic><topic>Myocardial Infarction - enzymology</topic><topic>Myocardial Infarction - pathology</topic><topic>Nitric Oxide Synthase - physiology</topic><topic>Nitric Oxide Synthase Type III</topic><topic>Pharmacology. Drug treatments</topic><topic>Rats</topic><topic>Rats, Wistar</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wolfrum, Sebastian</creatorcontrib><creatorcontrib>Grimm, Michael</creatorcontrib><creatorcontrib>Heidbreder, Marc</creatorcontrib><creatorcontrib>Dendorfer, Andreas</creatorcontrib><creatorcontrib>Katus, Hugo A</creatorcontrib><creatorcontrib>Liao, James K</creatorcontrib><creatorcontrib>Richardt, Gert</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of cardiovascular pharmacology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wolfrum, Sebastian</au><au>Grimm, Michael</au><au>Heidbreder, Marc</au><au>Dendorfer, Andreas</au><au>Katus, Hugo A</au><au>Liao, James K</au><au>Richardt, Gert</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Acute Reduction of Myocardial Infarct Size By a Hydroxymethyl Glutaryl Coenzyme A Reductase Inhibitor Is Mediated by Endothelial Nitric Oxide Synthase</atitle><jtitle>Journal of cardiovascular pharmacology</jtitle><addtitle>J Cardiovasc Pharmacol</addtitle><date>2003-03</date><risdate>2003</risdate><volume>41</volume><issue>3</issue><spage>474</spage><epage>480</epage><pages>474-480</pages><issn>0160-2446</issn><eissn>1533-4023</eissn><coden>JCPCDT</coden><abstract>In addition to their lipid-lowering properties, statins improve endothelial function by increasing the activity of endothelial nitric oxide synthase (eNOS). It was hypothesized that, by this mechanism, statins protect the myocardium from ischemia/reperfusion injury in normocholesterolemic animals. Rats were pretreated for 1 week with either cerivastatin (0.3 mg/kg/d) or placebo. Anesthetized animals underwent 30 minutes of coronary artery occlusion (CAO) followed by 180 minutes of reperfusion. In a separate set of experiments, the NOS inhibitor l-NAME (15 mg/kg; N-nitro-l-arginine methyl ester) was administered 15 minutes before CAO. Cerivastatin decreased infarct size by 49% (P < 0.05) without reducing plasma cholesterol levels. Cerivastatin increased myocardial eNOS mRNA and NOS activity and by 52% and 58% (P < 0.05), respectively. Cardioprotection and upregulation of eNOS activity evoked by cerivastatin were not observed in rats cotreated with l-NAME. These results show that statins reduce the extent of myocardial necrosis in normocholesterolemic rats after acute ischemia/reperfusion injury by increasing myocardial eNOS activity. Therefore, statins may protect the heart not only by reducing the incidence of ischemic events, but also by limiting cell damage during acute myocardial infarction.</abstract><cop>Philadelphia, PA</cop><cop>Hagerstown, MD</cop><pub>Lippincott Williams & Wilkins, Inc</pub><pmid>12605027</pmid><doi>10.1097/00005344-200303000-00017</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of cardiovascular pharmacology, 2003-03, Vol.41 (3), p.474-480 |
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| subjects | Animals Antianginal agents. Coronary vasodilator agents Biological and medical sciences Cardiovascular system Enzyme Activation - drug effects Enzyme Activation - physiology Hydroxymethylglutaryl-CoA Reductase Inhibitors - pharmacology Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use Male Medical sciences Myocardial Infarction - drug therapy Myocardial Infarction - enzymology Myocardial Infarction - pathology Nitric Oxide Synthase - physiology Nitric Oxide Synthase Type III Pharmacology. Drug treatments Rats Rats, Wistar |
| title | Acute Reduction of Myocardial Infarct Size By a Hydroxymethyl Glutaryl Coenzyme A Reductase Inhibitor Is Mediated by Endothelial Nitric Oxide Synthase |
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