Design, synthesis and biological evaluation of N-alkyl or aryl substituted isoindigo derivatives as potential dual cyclin-dependent kinase 2 (CDK2)/glycogen synthase kinase 3β (GSK-3β) phosphorylation inhibitors
作者:Ping Zhao、Yanzhong Li、Guangwei Gao、Shuai Wang、Yun Yan、Xiaoping Zhan、Zenglu Liu、Zhenmin Mao、Shaoxiong Chen、Liqun Wang
DOI:10.1016/j.ejmech.2014.08.049
日期:2014.10
A series of N-alkyl or aryl substituted isoindigo derivatives have been synthesized and their anti-proliferative activity was evaluated by Sulforhodamine B (SRB) assay. Some of the target compounds exhibited significant antitumor activity, including compounds 6h and 6k (against K562 cells), 6i (against HeLa cells) and 6j (against A549 cells). N-(p-methoxy-phenyl)-isoindigo (6k) exhibited a high and
已经合成了一系列的N-烷基或芳基取代的异靛蓝衍生物,并通过磺基罗丹明B(SRB)分析评估了它们的抗增殖活性。一些目标化合物表现出显着的抗肿瘤活性,包括化合物6h和6k(针对K562细胞),化合物6i(针对HeLa细胞)和6j(针对A549细胞)。N-(对甲氧基-苯基)-异靛蓝(6k)对K562细胞具有高选择性的抗增殖活性(IC 50 7.8μM),并以剂量依赖的方式诱导K562细胞凋亡。复合6k通过降低细胞周期蛋白A和CDK2的表达,阻滞了K562细胞S期的细胞周期,这在DNA复制和通过G2期中起着关键作用。此外,化合物6k下调p -GSK-3β(Ser9),β-catenin和c-myc蛋白的表达,上调GSK-3β的表达,从而抑制Wnt /β-catenin信号通路并诱导K562细胞的凋亡 使用分子对接工具模拟了化合物6k与GSK-3β的结合模式。所有这些研究使人们对该类药物的分子机