A new Schiff base copper(II) complex induces cancer cell growth inhibition and apoptosis by multiple mechanisms
作者:Rui-Dan Bao、Xue-Qing Song、Yan-jie Kong、Fang-Fang Li、Wen-Hui Liao、Jie Zhou、Ji-hong Zhang、Qi-Hua Zhao、Jing-Yuan Xu、Ce-shi Chen、Ming-Jin Xie
DOI:10.1016/j.jinorgbio.2020.111103
日期:2020.7
A new Schiff base copper(II) complex [N,N′-bis(2′-hydroxyphenylacetone)-o-ethanediamine] copper (II) (M1) has been synthesized and characterized by single X-ray crystallography. The cytotoxicity of complex M1 was evaluated against HeLa, LoVo, A549, A549/cis cancer cell lines, and the normal cell lines LO2 and HUVEC, by MTT (3-(4,5-dimethylthiazoyl-2-yl)2,5-diphenyltetrazoliumbromide) assays. The IC50
合成了一种新的席夫碱铜(II)络合物[ N,N'-双(2'-羟基苯基丙酮)-邻乙二胺]铜(II)(M1),并通过单X射线晶体学对其进行了表征。通过MTT(3-(4,5-二甲基噻唑基-2-基)2,5-)评价复合物M1对HeLa,LoVo,A549,A549 / cis癌细胞系和正常细胞系LO2和HUVEC的细胞毒性。溴化二苯基四唑)测定法。IC 50(50%抑制浓度)在5.13-11.68μM的范围内,基于铂摩尔浓度,它略低于顺铂。此外,抗癌机制研究表明,复合物M1通过阻止DNA合成来抑制细胞增殖,然后随着时间的推移作用于HeLa细胞的核分裂。此外,M1以剂量依赖的方式增加细胞内ROS(活性氧)的水平。蛋白质印迹分析表明,M1在HeLa中显着降低了c-Myc转录因子和KLF5(类Krüppel因子5)蛋白的表达水平。M1不抑制蛋白酶体活性。最后,M1诱导DNA损伤并激活DNA损伤修复途径。