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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Synthesis, structures, cellular uptake and apoptosis-inducing properties of highly cytotoxic ruthenium-Norharman complexes
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Synthesis, structures, cellular uptake and apoptosis-inducing properties of highly cytotoxic ruthenium-Norharman complexes

机译:高度细胞毒性钌-诺曼曼复合物的合成,结构,细胞摄取和凋亡诱导特性

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摘要

Three novel Ru(ii) complexes of the general formula [Ru(N-N) _2(Norharman)_2](SO_3CF_3)_2, where N-N = 2,2′-bipyridine (bpy, 1), 1,10-phenanthroline (phen, 2), 4,7-diphenyl-1,10-phenanthroline (DIP, 3) and Norharman (9H-pyrido[3,4-b]indole) is a naturally occurring β-carboline alkaloid, have been synthesized and characterized. The molecular structures of 1 and 2 have been determined by X-ray diffraction analysis. The cellular uptake efficiencies, in vitro cytotoxicities and apoptosis-inducing properties of these complexes have been extensively explored. Notably, 1-3 exhibit potent antiproliferative activities against a panel of human cancer cell lines with IC_(50) values lower than those of cisplatin. Further studies show that 1-3 can cause cell cycle arrest in the G0/G1 phase and induce apoptosis through mitochondrial dysfunction and reactive oxygen species (ROS) generation. In vitro DNA binding studies have also been conducted to provide information about the possible mechanism of action.
机译:三种通式为[Ru(NN)_2(Norharman)_2](SO_3CF_3)_2的新型Ru(ii)络合物,其中NN = 2,2'-联吡啶(bpy,1),1,10-菲咯啉(phen, 2),已合成并表征了4,7-二苯基-1,10-菲咯啉(DIP,3)和Norharman(9H-吡啶并[3,4-b]吲哚)是天然存在的β-咔啉生物碱。 1和2的分子结构已经通过X射线衍射分析确定。这些复合物的细胞摄取效率,体外细胞毒性和细胞凋亡诱导特性已得到广泛研究。值得注意的是,1-3表现出对一组人类癌细胞的有效抗增殖活性,其IC_(50)值低于顺铂。进一步的研究表明,1-3可以导致细胞周期停滞在G0 / G1期,并通过线粒体功能障碍和活性氧(ROS)生成诱导凋亡。还进行了体外DNA结合研究,以提供有关可能的作用机制的信息。

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