Synthesis and Cytotoxicity of Three<i>trans</i>-Palladium Complexes Containing Planaramine Ligands in Human Ovarian Tumor Models
作者:Mohammed Ehsanul Hoque Mazumder、Philip Beale、Charles Chan、Jun Qing Yu、Fazlul Huq
DOI:10.1002/cmdc.201200310
日期:2012.10
The present study deals with the synthesis, characterization, and activity against human ovarian cancer cell lines A2780, A2780cisR, A2780ZD0473R, and SKOV‐3 of three trans‐planaraminepalladium(II) complexes of the form trans‐PdL2Cl2, coded as EH1, EH3, and EH4, for which L=2‐methylpyridine, imidazole, and 1,2‐α‐imidazopyridine, respectively. The cellular accumulation of palladium, palladium–DNA binding
与合成,表征,和活性对人卵巢癌细胞系A2780,A2780本研究涉及CISR,A2780 ZD0473R,和三个的SKOV-3反式-planaraminepalladium(II)形式的复合物的反式-PdL 2氯2,分别编码为EH1,EH3和EH4,其中L = 2-甲基吡啶,咪唑和1,2-α-咪唑并吡啶。还确定了钯的细胞积累,钯与DNA的结合水平以及化合物与鲑鱼精子和pBR322质粒DNA相互作用的性质。发现所有这三种化合物的活性均低于顺铂,但与顺铂不同,它们对抗性细胞系A2780 cisR和A2780 ZD0473R具有同等或更高的活性而不是针对亲本细胞系A2780。在这三种钯配合物中,EH4(具有最大的载体配体)被发现活性最高,这与钯的最大细胞积累和钯-DNA结合的最高水平相符。还发现EH4对pBR322质粒DNA造成最大的构象变化。这项研究的结果说明了结构与活动之间的关系。特别是,他