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内皮素-1在慢性心力衰竭大鼠心肌的表达及生长激素释放肽的干预作用 被引量:2

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摘要 目的研究内皮素(ET)-1在慢性心力衰竭大鼠心肌的表达及生长激素释放肽(GHRP)的干预作用,并探讨其相关机制。方法 60只雄性Wistar大鼠随机分为对照组、模型组和GHRP组,每组20只。采用腹腔注射阿霉素法建立心衰模型;检测心功能变化;HE染色观察心肌细胞形态变化;ELISA法检测心肌组织匀浆中ET-1含量。结果心功能和心肌细胞形态与对照组比较,模型组有显著变化,而GHRP组变化不明显。心肌组织中ET-1的含量,模型组高于对照组和GHRP组(P<0.05),而GHRP组和对照组间无明显差异(P>0.05)。结论 GHRP能降低心肌组织中ET-1的表达,具有保护和改善心功能的作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2012年第13期2790-2792,共3页 Chinese Journal of Gerontology
基金 佳木斯大学科研项目(S2011-008)
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参考文献9

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