Synthesis and Mechanism Studies of 1,3-Benzoazolyl Substituted Pyrrolo[2,3-<i>b</i>]pyrazine Derivatives as Nonintercalative Topoisomerase II Catalytic Inhibitors
作者:Peng-Hui Li、Ping Zeng、Shuo-Bin Chen、Pei-Fen Yao、Yan-Wen Mai、Jia-Heng Tan、Tian-Miao Ou、Shi-Liang Huang、Ding Li、Lian-Quan Gu、Zhi-Shu Huang
DOI:10.1021/acs.jmedchem.5b01284
日期:2016.1.14
Novel topoisomerase II (Topo II) inhibitors have gained considerable interest for the development of anticancer agents. In this study, a series of 1,3-benzoazolyl-substituted pyrrolo[2,3-b]pyrazine derivatives were designed, synthesized, and evaluated as potential Topo II catalytic inhibitors. It was found that some of derivatives had good antiproliferative activity on seven cancer cell lines, especially
新型拓扑异构酶II(Topo II)抑制剂对抗癌药的开发引起了极大的兴趣。在这项研究中,一系列的1,3-苯并偶氮基取代的吡咯并[2,3- b对吡嗪衍生物进行了设计,合成和评估,以作为潜在的Topo II催化抑制剂。发现某些衍生物对七个癌细胞系具有良好的抗增殖活性,特别是对HL-60 / MX2具有抗增殖活性,HL-60 / MX2是来自HL-60的对Topo II毒物具有抗性的癌细胞系衍生物。Topo II介导的DNA弛豫分析结果表明,衍生物可以显着抑制Topo II的活性,结构-活性关系研究表明,烷基氨基侧链和苯并唑基的重要性。进一步的机理研究表明,衍生物充当Topo II非插入性催化抑制剂,并可能阻断Topo II的ATP结合位点。此外,流式细胞仪分析表明这类化合物可诱导HL-60细胞凋亡。