摘 要: 【目的】探讨第III类组蛋白去乙酰化酶成员3(SIRT3)在过氧化物酶体增殖物受体γ共激活因子1α(PGC-1α)的调控下发挥改善心肌肥大和心肌能量代谢的作用?【方法】 建立血管紧张素II(Ang II)诱导的心肌肥大模型;利用质粒转染诱导PGC-1α基因过表达?siRNA干扰敲低SIRT3表达;Western blot检测PGC-1α?SIRT3及心肌肥大标志蛋白肌球蛋白重链β(β-MHC)的水平?TMRE染色法测定线粒体膜电位;测定ATP含量;DHE染色法测定活性氧水平;qRT ...
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