阿托伐他汀对低氧大鼠肺动脉平滑肌细胞增殖凋亡的影响

Hainan Medical Journal(2010)

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Abstract
目的探讨阿托伐他汀对低氧大鼠肺动脉平滑肌细胞(PASMCs)增殖凋亡的影响。方法 40只雄性SD大鼠随机分为对照组、低氧组和干预组Ⅰ、Ⅱ。干预组Ⅰ、Ⅱ每日低氧前分别给予阿托伐他汀1.5mg/kg或3.0mg/kg灌胃。建立常压低氧大鼠模型,应用增殖细胞核抗原(PCNA)及原位缺口末端标记法(TUNEL)对PASMCs进行增殖与凋亡分析。结果各组大鼠PASMCs增殖和凋亡细胞同时存在。与对照组比较,低氧组大鼠PASMCs增殖指数(PI)显著增高、凋亡指数(AI)显著下降(P值均<0.01);而与低氧组比较,两干预组大鼠PASMCs的PI显著降低、AI明显增加(P值均<0.05)。结论阿托伐他汀对低氧大鼠PASMCs具有抑制增殖、促进凋亡的作用。
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Key words
Diagnosis,Examination through the vagina,CDFI,Hemorrhagic corpus luteum
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