Design, synthesis and biological evaluation of imidazopyridine/imidazopyrimidine-benzimidazole conjugates as potential anticancer agents
作者:Ahmed Kamal、G. Bharath Kumar、V. Lakshma Nayak、Vangala Santhosh Reddy、Anver Basha Shaik、Rajender Rajender、M. Kashi Reddy
DOI:10.1039/c4md00400k
日期:——
A series of imidazopyridine/imidazopyrimidine-benzimidazole conjugates (11a–t) were synthesized and evaluated for their antiproliferative activity. All of these conjugates showed moderate to improved cytotoxic activity against the human cervical (Hela), lung (A549), prostate (DU-145) and melanoma (B-16) cancer cell lines. Among them, conjugates 11i and 11p showed significant antiproliferative activity
一系列 咪唑并吡啶/咪唑并嘧啶合成了苯并咪唑共轭物(11a–t)并评估了它们的抗增殖活性。所有这些缀合物均显示出对人宫颈癌(Hela),肺癌(A549),前列腺癌(DU-145)和黑素瘤(B-16)癌细胞的中等至改善的细胞毒活性。其中,缀合物11i和11p对肺癌细胞系A549表现出显着的抗增殖活性,IC 50值分别为1.48和1.92μM。流式细胞仪分析表明,这些缀合物诱导了A549细胞系中G 2 / M期的细胞周期停滞,导致caspase-3依赖性凋亡细胞死亡。微管蛋白聚合测定(IC 50为11i免疫荧光分析显示,这些结合物在分子水平和细胞水平均能有效抑制A549细胞中的微管组装,并且其2.06μM和11p为2.26μM。此外,Hoechst染色,caspase-3活化测定,DNA片段分析和Annexin V-FITC测定也表明这些化合物通过凋亡诱导细胞死亡。此外,分子对接研究表明这些结