Synthesis, cytotoxicity and DNA-binding properties of Pd(II), Cu(II) and Zn(II) complexes with 4′-(4-(2-(piperidin-1-yl)ethoxy)phenyl)-2,2′:6′,2″-terpyridine
作者:Wenhao Chu、Yuechai Wang、Siyuan Liu、Xueyun Yang、Shuxiang Wang、Shenghui Li、Guoqiang Zhou、Xinying Qin、Chuanqi Zhou、Jinchao Zhang
DOI:10.1016/j.bmcl.2013.07.003
日期:2013.9
Pd(II), Cu(II) and Zn(II) complexes (1–3) based on 4′-(4-(2-(piperidin-1-yl)ethoxy)phenyl)-2,2′:6′,2″-terpyridine were synthesized and characterized by UV, IR, NMR, EPR, HRMS, elemental analyses, and molar conductivity measurements. The cytotoxicity of these complexes against HL-60, BGC-823, KB, Bel-7402, A549, Hela, K562 and MCF-7 cell lines in vitro was measured by MTT method. The DNA binding property
钯(II),铜(II)和Zn(II)配合物(1 - 3根据4)' - (4-(2-(哌啶-1-基)乙氧基)苯基)-2,2':6'合成了2,2'-叔吡啶,并通过UV,IR,NMR,EPR,HRMS,元素分析和摩尔电导率测量对其进行了表征。通过MTT法测量了这些复合物对HL-60,BGC-823,KB,Bel-7402,A549,Hela,K562和MCF-7细胞系的体外细胞毒性。通过UV,荧光,CD光谱和热变性来评估复合物的DNA结合特性。配合物1和3对所有测试细胞系的细胞毒性均优于顺铂。配合物1和2对Bel-7402细胞系的毒性比顺铂高7到4倍。复合物3对所有测试的细胞系显示出最高的细胞毒性,对Bel-7402,A549,Hela,K562和MCF-7细胞系显示出比顺铂高7倍,14倍,8倍,11倍和8倍的细胞毒性。 。复合物通过插入模式与DNA结合,复合物3稳定了G-四链体。结果表明,所有