Antineoplastic effects of CPPTL via the ROS/JNK pathway in acute myeloid leukemia.

Antineoplastic effects of CPPTL via the ROS/JNK pathway in acute myeloid leukemia.
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CPPTL 通过 ROS/JNK 通路对急性髓系白血病的抗肿瘤作用

DOI:
10.18632/oncotarget.17166
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发表时间:
2017-06-13
期刊:
影响因子:
--
通讯作者:
Gao YD
Gao YD
中科院分区:
其他
文献类型:
--
作者:
Gao HE;Sun Y;Ding YH;Long J;Liu XL;Yang M;Ji Q;Li YH;Chen Y;Zhang Q;Gao YD

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耐药性和人类白细胞抗原(HLA)匹配限制了急性髓性白血病(AML)的常规治疗。虽然临床上使用了几种小分子药物,但AML具有较高的分子多样性,单药给药不足以治愈。代谢稳态在决定细胞命运中起着关键作用。适当水平的活性氧(ROS)维持氧化还原系统的平衡,过量的ROS会引起氧化损伤,从而为消除癌细胞提供了一种策略。CPPTL是一种新的parthenolide类似物,在体外对AML细胞表现出显著的细胞毒性,并以剂量依赖的方式诱导细胞凋亡。此外,CPPTL的前药DMA-CPPTL减少了AML移植的负担,并延长了小鼠模型体内给药的人类原代AML细胞的存活时间。CPPTL通过刺激ROS的产生诱导AML细胞凋亡,ROS的积累激活JNK通路,从而促进线粒体损伤。这些结果表明,CPPTL在体外和体内都能有效地根除AML细胞,这表明CPPTL可能是一种新的AML辅助治疗候选药物。
Drug resistance and human leukocyte antigen (HLA) matching limit conventional treatment of acute myeloid leukemia (AML). Although several small molecule drugs are clinically used, single drug administration is not sufficient to cure AML, which has a high molecular diversity. Metabolic homeostasis plays a key role in determining cellular fate. Appropriate levels of reactive oxygen species (ROS) maintain the redox system balance, and excessive amounts of ROS cause oxidative damage, thus providing a strategy to eliminate cancer cells. CPPTL is a novel analogue of parthenolide that exhibited significant cytotoxicity to AML cells in vitro and induced apoptosis in a dose-dependent manner. Additionally, CPPTL's prodrug DMA-CPPTL decreased the burden of AML engraftment and prolonged survival in a mouse model administered human primary AML cells in vivo. CPPTL induced apoptosis of AML cells by stimulating ROS production, and accumulation of ROS then activated the JNK pathway, thereby promoting mitochondrial damage. These results demonstrated that CPPTL effectively eradicated AML cells in vitro and in vivo and suggested that CPPTL may be a novel candidate for auxiliary AML therapy.
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