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雷公藤红素通过影响Akt信号通路和整合素表达抑制肺癌细胞的转移

Keywords: 雷公藤红素,肺癌,转移,整合素,Akt信号通路

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Abstract:

雷公藤红素是从传统中药雷公藤中提取分离得到的一种醌甲基三萜,具有抗炎、免疫抑制及抗肿瘤等药理活性。该实验就雷公藤红素对肺癌细胞黏附、迁移及侵袭的影响进行了研究。用划痕实验测定不同浓度雷公藤红素对肺癌细胞迁移的影响;用Transwell实验测定不同浓度雷公藤红素对肺癌细胞侵袭的影响;用RT-PCR及Westernblot实验检测不同浓度的雷公藤红素对肺癌细胞中整合素家族及Akt信号通路的影响。实验结果表明:雷公藤红素以剂量依赖的方式抑制肺癌细胞的黏附、迁移及侵袭,抑制整合素β3,β4,αv的表达,以及抑制Akt信号通路中磷酸化Akt,GSK-3β,c-Raf,PDK1的表达。因此,该研究暗示雷公藤红素能通过抑制Akt信号通路和整合素的表达来抑制肺癌细胞的转移。

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