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疏利分消方调控自噬对补体攻膜复合物所致足细胞损伤的内在机制研究

Chinese Journal of Integrated Traditional and Western Nephrology(2021)

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Abstract
目的:以补体攻膜复合物诱导足细胞损伤体外模拟特发性膜性肾病发病过程,探讨疏利分消方冻干粉对自噬通路的调控作用.方法:以酵母多糖活化血清(ZAS)体外组装C5b-9,并建立C5b-9损伤足细胞模型,设置正常组、模型组和模型+中药组,检测各组乳酸脱氢酶(LDH)释放率、自噬标记蛋白LC3及自噬底物蛋白P62荧光表达.结果:C5b-9孵育足细胞24 h后,模型组自噬标记蛋白LC3表达量较正常组明显增加(P<0.01),而自噬底物P62蛋白表达也显著增多(P<0.05);模型+中药组LC3、P62表达量与模型组比较明显减少(P<0.05).结论:补体攻膜复合物可致足细胞自噬通路受阻,疏利分消方可疏通自噬通路,很可能是其对抗足细胞损伤,延缓特发性膜性肾病进展的内在机制.
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