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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Heteroleptic arene Ru(II) dipyrrinato complexes: DNA, protein binding and anti-cancer activity against the ACHN cancer cell line
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Heteroleptic arene Ru(II) dipyrrinato complexes: DNA, protein binding and anti-cancer activity against the ACHN cancer cell line

机译:异戊二烯Ru(II)dipyrrinato复合物:DNA,蛋白质结合和针对ACHN癌细胞系的抗癌活性

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Four organometallic complexes [(eta(6)-C6H6) RuCl(pmpzdpm)], 1; [(eta(6)-C6H6) RuCl(pypzdpm)], 2; [(eta(6)-C10H14) RuCl(pmpzdpm)], 3 and [(eta(6)-C10H14) RuCl(pypzdpm)], 4 containing 5-(2-pyrimidyl-piperazine) phenyldipyrromethene (pmpzdpm) and 5-(2-pyridylpiperazine) phenyldipyrromethene (pypzdpm) have been designed and synthesized. The complexes 1-4 have been fully characterized by elemental analyses and spectroscopic studies (ESI-MS, IR, H-1, C-13 NMR, UV-vis). Their electrostatic/intercalative interaction with CT DNA has been investigated by UV-vis and competitive ethidium bromide displacement studies while their protein binding affinity toward bovine serum albumin (BSA) was realized by UV-vis, fluorescence, synchronous and three dimensional (3D) fluorescence studies. The interaction with DNA and protein has further been validated by in silico studies. Cellular uptake, in vitro cytotoxicity and flow cytometric analyses have been performed to determine the mode of cell death against the kidney cancer cell line ACHN. Cell cycle analysis suggested that the complexes cause cell cycle arrest in the subG1 phase and overall results indicated that the in vitro antitumor activity of 1-4 lies in the order of 3 > 4 > 1 > 2 (IC50, 7.0 1; 8.0 2; 2.0 3; 4.0 mu M, 4).
机译:四种有机金属配合物[(eta(6)-C6H6)RuCl(pmpzdpm)],1; [(eta(6)-C6H6)RuCl(pypzdpm)],2; [(eta(6)-C10H14)RuCl(pmpzdpm)],3和[[eta(6)-C10H14)RuCl(pypzdpm)],4,含有5-(2-嘧啶基-哌嗪)苯基二吡咯亚甲基(pmpzdpm)和5-已经设计并合成了(2-吡啶基哌嗪)苯基二吡咯亚甲基(pypzdpm)。配合物1-4已通过元素分析和光谱研究(ESI-MS,IR,H-1,C-13 NMR,UV-vis)充分表征。通过紫外可见和竞争性溴化乙锭置换研究了它们与CT DNA的静电/插入相互作用,同时通过紫外可见,荧光,同步和三维(3D)荧光实现了它们对牛血清白蛋白(BSA)的蛋白结合亲和力。学习。通过计算机研究进一步证实了与DNA和蛋白质的相互作用。已经进行了细胞摄取,体外细胞毒性和流式细胞术分析以确定针对肾癌细胞系ACHN的细胞死亡模式。细胞周期分析表明,该复合物导致subG1期细胞周期停滞,总体结果表明,体外抗肿瘤活性1-4的顺序为3> 4> 1> 2(IC50,7.0 1; 8.0 2; 2.0 3; 4.0μM,4)。

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