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萝卜硫素介导HDAC6信号通路改善肌红蛋白诱导的肾小管上皮细胞凋亡 被引量:1

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摘要 目的:探讨萝卜硫素对肌红蛋白诱导的肾小管上皮细胞(HK-2)凋亡及组蛋白乙酰化酶6(HDAC6)表达的影响。方法:体外采用肌红蛋白诱导HK-2细胞的横纹肌溶解致急性肾损伤模型,CCK8法分析HK-2细胞增殖活性,流式细胞术检测HK-2细胞凋亡率,Western blot检测Bcl-2、Bax、cleaved Caspase-3和HDAC6蛋白表达水平。结果:与正常对照组比较,模型组HK-2细胞存活率及Bcl-2蛋白表达显著降低,细胞凋亡率及Bax、cleaved Caspase-3、HDAC6蛋白表达显著升高(P<0.05)。与模型组比较,萝卜硫素组和HDAC6抑制剂23BB组HK-2细胞存活率及Bcl-2蛋白表达显著升高,细胞凋亡率及Bax、cleaved Caspase-3、HDAC6蛋白表达显著降低(P<0.05)。结论:萝卜硫素能通过抑制HDAC6蛋白表达降低肌红蛋白诱导的HK-2细胞凋亡,对急性肾损伤具有保护作用。
作者 谭静 易国栋
出处 《中药材》 CAS 北大核心 2019年第9期2181-2184,共4页 Journal of Chinese Medicinal Materials
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