Phenformin联合mTOR抑制剂在HCC中显示出治疗希望

2018-06-28 MedSci MedSci原创

肝细胞癌(HCC)是肝硬化患者死亡的主要原因,是全球癌症死亡率的第二大病因,新的研究结果表明除了病毒性肝炎和酒精性肝病,非酒精性肝病综合症也是HCC的重要病因。肝癌的分子发病机制极其复杂并具有异质性。近日,Bellvitge生物医学研究所代谢与癌症研究组的研究人员为肝细胞癌(HCC)的治疗提出了一种新的潜在药物联合治疗方案,mTOR抑制剂与线粒体抑制剂Phenformin(苯乙双胍)的组合在体外H

肝细胞癌(HCC)是肝硬化患者死亡的主要原因,是全球癌症死亡率的第二大病因,新的研究结果表明除了病毒性肝炎和酒精性肝病,非酒精性肝病综合症也是HCC的重要病因。肝癌的分子发病机制极其复杂并具有异质性。近日,Bellvitge生物医学研究所代谢与癌症研究组的研究人员为肝细胞癌(HCC)的治疗提出了一种新的潜在药物联合治疗方案,mTOR抑制剂与线粒体抑制剂Phenformin(苯乙双胍)的组合在体外HCC细胞中显示阳性结果,荷瘤小鼠总体存活显著增加。

该文章的通讯作者Kozma博士解释说,目前可用的HCC治疗选择非常有限,结果不佳,促使人们寻求新的治疗方法。mTOR通路的抑制剂已经作为一种替代治疗方法被开发出来,因为这个通路在大多数HCC中被过度激活,但是这些抑制剂几乎没有临床效果。然而,最近的数据表明,mTOR抑制剂可能通过维持线粒体氧化和/或自噬来影响癌细胞的存活,因此mTOR抑制剂联合线粒体活性抑制剂或许能起到抑制癌细胞存活的作用

在他们的研究中,结果表明,用Phenformin(一种线粒体复合物抑制剂)体外处理HCC细胞会导致代谢转变为糖酵解,导致线粒体功能障碍。这些改变使小鼠的原位肝肿瘤对mTOR的双重抑制敏感,这改善了荷瘤小鼠的总生存期。


原始出处:

https://www.europeanpharmaceuticalreview.com/news/76958/phenformin-mtor-inhibitor-hcc/

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    2019-02-09 jklm09
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    2018-06-30 jiyangfei
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