山楂叶总黄酮对FXR及其相关基因调控治疗NAFLD模型大鼠的机制研究

China Journal of Traditional Chinese Medicine and Pharmacy(2017)

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Abstract
目的:探讨山楂叶总黄酮(TFHL)对非酒精性脂肪性肝病(NAFLD)模型大鼠的治疗作用及其机制.方法:将SD大鼠随机分为正常组,模型组,TFHL高、中、低剂量组,共5组,高脂膳食建立NAFLD大鼠模型.HE染色、油红O染色观察肝脏病理变化;生化仪检测血清血脂等;RT-PCR法检测肝组织FXR、PPAR-α、PGC1 α、CYP7A1等的mRNA表达.Western Blot检测肝脏上述各项基因的蛋白表达.结果:与模型组比较,应用TFHL干预后,肝组织TG、CHOL含量显著降低,同时能增强肝脏FXR、PPAR-α、PGC1αmRNA和蛋白的表达,差异有统计学意义(P<0.05,P<0.01).结论:TFHL可调节NAFLD大鼠肝脏的脂质代谢,改善炎性反应状态,其机制可能与调控FXR相关基因有关.
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Key words
Total flavones of hawthorn leaves,NAFLD,FXR,PPAR-α,PGC1 α,CYP7A1
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