血管紧张素Ⅱ及醛固酮阻滞剂对心肌梗死大鼠骨桥蛋白表达的影响
【目的】研究血管紧张素Ⅱ及醛固酮阻滞对心肌梗死大鼠非梗死区心肌组织骨桥蛋白(OPN)表达的影响。【方法】将心肌梗死后24h存活大鼠随机分为3组:盐水组(15只,5mL/d),培哚普利组(18只,2mg/kg·d)和螺内酯组(17只,20mg/kg)。灌胃给药;另设假手术组(15只)作对照。分别于心肌梗死后6周:导管法测定左室有创血流动力学;组织学方法检测非梗死区胶原纤维沉积和心肌细胞横径;Western blot检测非梗死区心肌组织OPN表达。【结果】①假手术组大鼠心肌组织Western blot未检测到OPN表达,心肌梗死大鼠6周后非梗死区心肌组织有大量OPN表达,培哚普利及螺内酯治疗均能显...
| Published in: | Zhongshan Daxue xuebao. Yixue kexue ban |
|---|---|
| Main Authors: | 张玉玲, 周淑娴, 雷娟, 张静敏 |
| Format: | Article |
| Language: | Chinese |
| Published: |
Editorial Office of Journal of Sun Yat-sen University
2007-01-01
|
| Subjects: | |
| Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43580004/ |
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