Nucleic Acid (Calf Thymus-DNA, Yeast tRNA) Binding and Cytotoxic Properties of a Dinuclear (Ru,Co) Metal Polypyridyl Complex
作者:Xi-Ling Liang、Li-Feng Tan
DOI:10.1071/ch10178
日期:——
Based on [L2RuDPPZ(11–11′)DPPZ}RuL2]4+ (where L = 1,10-phenanthroline or 2,2′-bipyridyl, DPPZ(11–11′)DPPZ = 11,11′-bi(dipyrido-[3,2-a:2′,3′-c]-phenazinyl)), a heterodinuclear (Ru,Co) metal polypyridyl complex [(phen)2RuDPPZ(11–11′)DPPZ}Co(phen)2]5+ (phen = 1,10-phenanthroline) has been designed and synthesized. A comparative study on the interaction of the complex with calf thymus DNA and yeast tRNA
基于[L 2 Ru DPPZ(11-11')DPPZ} RuL 2 ] 4+(其中L = 1,10-菲咯啉或2,2'-联吡啶,DPPZ(11-11')DPPZ = 11,11 '-bi(双吡啶-[3,2- a:2',3'- c ]-吩嗪基)),异双核(Ru,Co)金属多吡啶基络合物[(phen)2 Ru DPPZ(11–11') DPPZ} Co(phen)2 ] 5+(phen = 1,10-菲咯啉)已被设计和合成。通过紫外可见光谱,荧光光谱和粘度测量,以及平衡透析和圆二色性,研究了该复合物与小牛胸腺DNA和酵母tRNA相互作用的比较研究。通过3-(4,5-二甲基噻唑-2-基)-2,5-二苯基四氮唑溴化物法和Giemsa染色实验评价该复合物的抗肿瘤活性。这些结果表明核酸的构型和结构对金属络合物的结合行为具有显着影响。此外,该复合物对选定的肿瘤细胞系显示出不同的抗肿瘤活性,并且可以引起细胞凋亡。