Effect of Chronic Neutral Endopeptidase Inhibition on Cardiac Hypertrophy after Experimental Myocardial Infarction
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概要
- 論文の詳細を見る
Candoxatril is an inhibitor of neutral endopeptidase, a membrane-bound enzyme that degrades atrial natriretic peptide.The effects of candoxatril on hemodynamic parameters and cardiovascular hypertrophy were evaluated in the rat model of myocardial infarction.Myocardial infarction was induced by left coronary artery ligation in rats and they were treated eigher with candoxatril(10mg/kg per day)or a vehicle for up to 4 weeks.Systolic blood pressure and body weight did not change for up to 4 weeks between the 2 groups.At the end of treatment, hemodynamic parameters were measured, and then plasma, heart, lungs and kidneys were collected.Kidney neutral endopeptidase, as measured by the quantitative autoradiographic method, was significantly inhibited in candoxatril-treated rats compared with that in controls(66.6±3.2% of control, p<0.001).On the contrary, there were no significant differences in right atrial pressure, left ventricular end-diastolic pressure, systemic pressure, and plasma level of atrial natriuretic peptide between the 2 groups.There were also no significant differences in cardiac weight and lung weight.These data indicate that inhibition of neutral endopeptidase by candoxatril at a does of 10 mg/kg per day did not oppose cardiac hypertrophy in the rat model of myocardial infaction in spite of significant neutral endopeptidase inhibition.
- 社団法人日本循環器学会の論文
- 1998-08-20
著者
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Yasujima Minoru
Department Of Laboratory Medicine Hirosaki University Graduate School Of Medicine
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Yasujima Minoru
Department Of Laboratory Medicine Hirosaki University School Of Medicine
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Yoshida Kazunori
Section of Internal Medicine and Disability Prevention, Disability Science, Division of Medicine, To
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Colin I.johnston
Department Of Medicine University Of Melbourne Austin And Repatriation Medical Center
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David J.Casley
Department of Medicine, University of Melbourne, Austin and Repatriation Medical Center
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David J.casley
Department Of Medicine University Of Melbourne Austin And Repatriation Medical Center
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Yoshida Kazunori
Section Of Internal Medicine And Disability Prevention Disability Science Tohoku University Graduate
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Yasujima Minoru
Department Of Clinical Laboratory Hirosaki University Hospital
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