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Establishment of the animal model of induced high-cholesterol-atherosclerotic erectile dysfunction and the mechanisms of atherosclerotic erectile dysfunction / 中华男科学杂志
National Journal of Andrology ; (12): 608-611, 2004.
Article Dans Chinois | WPRIM | ID: wpr-308288
ABSTRACT
<p><b>OBJECTIVE</b>To establish the animal model of atherosclerotic erectile dysfunction induced by high-cholesterol diet and explore the mechanisms of atherosclerotic erectile dysfunction.</p><p><b>METHODS</b>Thirty male rabbits were divided into two groups randomly normal diet (ND) group (n = 10) and high-cholesterol (HCH) group fed with 1.5% cholesterol diet (n = 20). Serum total cholesterol, plaque areas of the ascending aorta, the ratio of intima/media thickness and level of vascular cell adhesion molecule 1 (VCAM-1) mRNA expression of internal pudendal artery were determined after twelve weeks.</p><p><b>RESULTS</b>After twelve weeks, all rabbits of the HCH group got hyperlipemia, 9 of which presented typical atherosclerosis (ATH). The rate of atherosclerosis induced by high-cholesterol diet was 52.9%. Serum total cholesterol levels of the ATH and HCH groups were higher than that of the ND group (P<0.01). The penile erection times and rate in the ATH and HCH groups decreased significantly, compared with the ND group (P<0.01). Both the ratio of intima/media thickness and the level of VCAM-1 mRNA expression of internal pudendal artery in the ATH group were higher than those in the HCH and ND groups (P<0.01).</p><p><b>CONCLUSION</b>It is easy, prectuable and reliable to establish the animal model of atherosclerotic erectile dysfunction induced by high-cholesterol diet. And one of the main causes of atherosclerotic erectile dysfunction is hypercholesterolemia, which through VCAM-1 may induce the structural and functional modifications of the endothelium of the internal pudendal artery and make the corpus cavernosum ischemia.</p>
Sujets)
Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: ARN messager / Répartition aléatoire / Impuissance vasculaire / Molécule-1 d&apos;adhérence des cellules vasculaires / Régime athérogène / Modèles animaux de maladie humaine / Athérosclérose / Génétique / Hypercholestérolémie Limites du sujet: Animaux langue: Chinois Texte intégral: National Journal of Andrology Année: 2004 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: ARN messager / Répartition aléatoire / Impuissance vasculaire / Molécule-1 d&apos;adhérence des cellules vasculaires / Régime athérogène / Modèles animaux de maladie humaine / Athérosclérose / Génétique / Hypercholestérolémie Limites du sujet: Animaux langue: Chinois Texte intégral: National Journal of Andrology Année: 2004 Type: Article