湖北枫杨总黄酮对非小细胞肺癌A549细胞迁移、侵袭和铁死亡的影响

被引:3
作者
陈国庆 [1 ]
董倩男 [1 ]
杨锐 [1 ]
高瑛 [1 ]
刘人嘉 [1 ]
袁林 [2 ]
向阳 [1 ,3 ,2 ]
吴昊 [1 ,2 ]
机构
[1] 湖北恩施学院医学部
[2] 湖北民族大学风湿性疾病发生与干预湖北省重点实验室
[3] 不详
关键词
湖北枫杨总黄酮; 非小细胞肺癌; 铁死亡; Keap-1/Nrf2/HO-1通路;
D O I
暂无
中图分类号
R734.2 [肺肿瘤];
学科分类号
摘要
目的:探究湖北枫杨总黄酮对非小细胞肺癌A549细胞迁移与侵袭及铁死亡的影响及机制。方法:将A549细胞分为:对照组,低、中、高剂量(100、150和200μg/mL)枫杨总黄酮组,铁死亡抑制剂liproxstatin-1(Lip-1)组,Lip-1+高剂量枫杨总黄酮组。采用CCK-8法检测细胞活力;划痕实验和Transwell实验检测细胞迁移及侵袭能力;谷胱甘肽(GSH)试剂盒检测细胞脂质过氧化水平;RT-qPCR检测细胞溶质载体家族7成员11(SLC7A11)和谷胱甘肽过氧化物酶4(GPX4)的mRNA水平;Western blot检测SLC7A11、GPX4、Kelch样环氧氯丙烷相关蛋白1(Keap1)、核因子E2相关因子2(Nrf2)和血红素加氧酶1(HO-1)的蛋白表达水平。结果:与对照组相比,各剂量枫杨总黄酮组A549细胞活力降低(P<0.01),迁移及侵袭能力降低(P <0.01),GSH含量显著降低(P<0.01),SLC7A11和GPX4 mRNA及蛋白表达水平显著降低(P<0.01),Nrf2和HO-1蛋白表达水平显著降低(P<0.01),Keap-1蛋白表达水平升高(P<0.01);加入铁死亡抑制剂后,与高剂量枫杨总黄酮组相比,A549细胞活力显著升高(P<0.01),SLC7A11、GPX4、Nrf2、HO-1蛋白表达水平升高,Keap-1蛋白表达水平下降(P<0.01)。结论:湖北枫杨总黄酮能抑制A549细胞迁移与侵袭并且通过调控Keap-1/Nrf2/HO-1通路诱导肺癌A549细胞铁死亡。
引用
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页码:274 / 281
页数:8
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