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。