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心衰大鼠心肌核因子—κB活化及其与心肌细胞凋亡的关系 被引量:8

Relationship between activation of nuclear factor-κB and cardiomyocyte apoptosis during heart failure subsequent to myocardial infarction in rats
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摘要 目的:探讨核因子-κB (NF-κB)活化与充血性心力衰竭(CHF)大鼠心肌细胞凋亡发生、发展的关系及其对Fas和Fas配体(FasL)表达的调控作用. 方法:以假手术组为对照,观察雄性Wistar大鼠心肌梗死(MI)后2周、4周及8周的血流动力学指标、心肌细胞凋亡指数、Fas、FasL、Bcl-2和κB抑制蛋白的表达及NF-κB核结合活性的改变. 结果:MI后心肌细胞凋亡指数、Fas及FasL表达水平进行性升高,Bcl-2的mRNA表达下调;κB抑制蛋白水平逐渐降低, 而NF-κB活性逐渐增高. 结论:心肌细胞凋亡在MI后CHF发生、发展过程中起着重要作用,NF-κB活化启动Fas和FasL基因转录,Fas和FasL表达上调、Bcl-2表达下降介导大鼠MI后心肌细胞凋亡的发生.
出处 《中国病理生理杂志》 CAS CSCD 北大核心 2003年第5期649-652,共4页 Chinese Journal of Pathophysiology
基金 贵州省科学技术基金
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参考文献11

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