Rational design and characterization of a DNA/HDAC dual-targeting inhibitor containing nitrogen mustard and 2-aminobenzamide moieties
作者:Rui Xie、Pingwah Tang、Qipeng Yuan
DOI:10.1039/c7md00476a
日期:——
Histone deacetylases (HDACs) play a key role not only in gene expression but also in DNA repair. Herein, we report the rational design and characterization of a compound named chlordinaline containing nitrogen mustard and 2-aminobenzamide moieties as a DNA/HDAC dual-targeting inhibitor. Chlordinaline exhibited moderate total HDAC inhibitory activity. The HDAC isoform selectivity assay indicated that chlordinaline
组蛋白脱乙酰酶 (HDAC) 不仅在基因表达中发挥着关键作用,而且在 DNA 修复中也发挥着关键作用。在此,我们报告了一种名为氯地那林的化合物作为 DNA/HDAC 双靶向抑制剂的合理设计和表征,该化合物含有氮芥和 2-氨基苯甲酰胺部分。氯地那林表现出中等的总 HDAC 抑制活性。HDAC异构体选择性测定表明氯地那林主要抑制HDAC3。Chlordinaline 表现出 DNA 和 HDAC 抑制活性,并对所有六种测试癌细胞系显示出有效的抗增殖活性,IC 50值低至 3.1–14.2 μM,明显比参考药物苯丁酸氮芥和他西地林更有效。氯地那林可诱导A375癌细胞凋亡和G2/M期细胞周期阻滞。这项研究表明,将氮芥和 2-氨基苯甲酰胺部分结合到一个分子中是获得 DNA/HDAC 双靶向抑制剂作为有效抗肿瘤药物的有效方法。Chlordinaline 作为此类 DNA/HDAC 双靶向抑制剂的第一个