Synthesis, characterization, DNA/BSA interactions and in vitro cytotoxicity study of palladium(II) complexes of hispolon derivatives
作者:Xiaonan Wei、Yaxing Yang、Jiangfeng Ge、Xue Lin、Dandan Liu、Shuxiang Wang、Jinchao Zhang、Guoqiang Zhou、Shenghui Li
DOI:10.1016/j.jinorgbio.2019.110857
日期:2020.1
Thirteen novel palladium(II) complexes of the general formula [Pd(bipy)(O,O′-dkt)](PF6), (where bipy is 2,2′-bipyridine and O,O′-dkt is β-diketonate ligand hispolon or its derivative) have been prepared through a metal-ligand coordination method that involves spontaneous formation of the corresponding diketonate scaffold. The obtained palladium(II) complexes have been characterized by NMR spectroscopy
十三新颖钯(II)通式的配合物[钯(联吡啶)(ø,ö '-dkt)](PF 6),(其中,联吡啶是2,2'-联吡啶和ø,ö '-dkt就是β-已经通过涉及自发形成相应的二酮酸酯支架的金属-配体配位方法制备了二酮酸酯配体组胺或其衍生物)。所获得的钯(II)配合物已经通过NMR光谱,ESI-质谱和元素分析进行了表征。细胞毒性分析表明,大多数获得的钯(II)配合物在三种人类癌细胞系中均显示出有希望的生长抑制作用。流式细胞仪分析显示复杂的3e可能会促进细胞内活性氧(ROS)积累并导致癌细胞死亡。N-乙酰基-L-半胱氨酸(NAC)抑制HeLa细胞中ROS积累和挽救细胞活力,表明ROS产生的增加与复合物3e的细胞毒性之间可能存在联系。流式细胞仪分析还显示复合物3e导致细胞周期停滞在G2 / M期并破坏了线粒体膜电位,促进了ROS的生成并导致肿瘤细胞凋亡。复杂3e的相互作用牛胸腺DNA(CT-DNA