Cell Death Dis:二甲双胍可以逆转前列腺癌对恩杂鲁胺的抗性

2017-08-29 AlexYang MedSci原创

尽管新开发的二代抗雄激素药物恩杂鲁胺能够显著的抑制前列腺癌的发展,但是它仅仅只能讲前列腺癌患者的生存时间扩展到4-6个月,其中的原因主要是对恩杂鲁胺抗性的产生。之前的大多数关于雄激素受体(AR)拮抗剂抗性的研究主要关注与AR信号途径。因此,关于恩杂鲁胺的非AR信号通路仍旧有很多未知。最近,有研究人员利用恩杂鲁胺或二甲双胍或者两者的结合处理C4-2、 CWR22Rv1和LNCaP细胞系以及荷瘤小鼠C

尽管新开发的二代抗雄激素药物恩杂鲁胺能够显著的抑制前列腺癌的发展,但是它仅仅只能讲前列腺癌患者的生存时间扩展到4-6个月,其中的原因主要是对恩杂鲁胺抗性的产生。之前的大多数关于雄激素受体(AR)拮抗剂抗性的研究主要关注与AR信号途径。因此,关于恩杂鲁胺的非AR信号通路仍旧有很多未知。

最近,有研究人员利用恩杂鲁胺或二甲双胍或者两者的结合处理C4-2、 CWR22Rv1和LNCaP细胞系以及荷瘤小鼠CWR22Rv1异种种植体,阐释了二甲双胍能够逆转恩杂鲁胺抗性,并且恢复CWR22Rv1异种种植体对恩杂鲁胺的敏感性。研究人员还阐释了二甲双胍通过抑制EMT来减轻对恩杂鲁胺的抗性。进一步的研究表明,基于二甲双胍对STAT3的激活和TGF-β1的表达的影响,他们认为二甲双胍是通过与 TGF-β1/STAT3信号通路互作来发挥它的作用。最后,研究人员指出,这些发现表明了二甲双胍与恩杂鲁胺的结合能够成为治疗去势难治性前列腺癌的一种更加有效的治疗方法。

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    2018-07-10 维他命
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    2018-04-05 yige2012
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    2017-08-31 cy0328
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    2017-08-30 thlabcde

    好东西学习了!

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