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用于癌症治疗的DNA低甲基化药物

DNA Hypomethylating Drugs in Cancer Therapy.

作者信息

Sato Takahiro, Issa Jean-Pierre J, Kropf Patricia

机构信息

Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140.

Fox Chase Cancer Center, Temple Health, Philadelphia, Pennsylvania 19111.

出版信息

Cold Spring Harb Perspect Med. 2017 May 1;7(5):a026948. doi: 10.1101/cshperspect.a026948.

Abstract

Aberrant DNA methylation is a critically important modification in cancer cells, which, through promoter and enhancer DNA methylation changes, use this mechanism to activate oncogenes and silence of tumor-suppressor genes. Targeting DNA methylation in cancer using DNA hypomethylating drugs reprograms tumor cells to a more normal-like state by affecting multiple pathways, and also sensitizes these cells to chemotherapy and immunotherapy. The first generation hypomethylating drugs azacitidine and decitabine are routinely used for the treatment of myeloid leukemias and a next-generation drug (guadecitabine) is currently in clinical trials. This review will summarize preclinical and clinical data on DNA hypomethylating drugs as a cancer therapy.

摘要

异常的DNA甲基化是癌细胞中至关重要的修饰,它通过启动子和增强子DNA甲基化变化,利用这种机制激活癌基因并使肿瘤抑制基因沉默。使用DNA低甲基化药物靶向癌症中的DNA甲基化,通过影响多种途径将肿瘤细胞重编程为更接近正常的状态,还能使这些细胞对化疗和免疫疗法敏感。第一代低甲基化药物阿扎胞苷和地西他滨常用于治疗髓系白血病,下一代药物(胍地西他滨)目前正在进行临床试验。本综述将总结DNA低甲基化药物作为癌症治疗的临床前和临床数据。

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