Synthesis, cytotoxicity assessment, and interaction and docking of novel palladium(II) complexes of imidazole derivatives with human serum albumin
作者:Mahboube Eslami Moghadam、Adeleh Divsalar、Abdolghafar Abolhosseini Shahrnoy、Ali Akbar Saboury
DOI:10.1080/07391102.2015.1090345
日期:2016.8.2
the agents that attract both bioinorganic chemist and drug designer. Numerous methods have been proposed for synthesis of imidazole derivatives. In this study, a series of heterocyclic system with p-conjugated system such as 2-aryl-imidazo[4,5-f][1,10]phenanthroline analogs were synthesized. Then, three new palladium(II) complexes containing 2-(Furan-2-yl)-1H-Imidazo[4,5-f][1,10]Phenanthroline (FIP)
showed Cc50 values are 21 and 160 µM for Cu and Ni(II) complexes, respectively; suggesting that Ni (II) complex has Cc50 almost seven times of that obtained for cisplatin. Biological activity of the Ni(II) and Cu(II) complexes were also assayed against selective microorganisms by disc diffusion method. These results showed that the Cu(II) complex is antifungal agent but Ni(II) complex has antibacterial
Studies on interaction of Cr(III) polypyridyl complexes with DNA
作者:B. Babu、T. Nandhini、V.G. Vaidyanathan、Balachandran Unni Nair
DOI:10.1016/j.inoche.2016.10.016
日期:2016.11
viscosity studies show that both the complexes bind to DNA in a partial intercalative mode. The results of competitive binding assay reveal that both complexes displace EB from DNA marginally. Gel electrophoresis data show that both the complexes 1 and 2 requires co-reagent to induce DNA cleavage but complex 2 exhibit better nuclease activity compared to complex 1 . The results from this study describe
摘要 合成了两种含有 1,10-菲咯啉衍生物的铬 (III) 配合物,并使用不同的光谱方法对其进行了表征。进行合成的复合物与 DNA 的相互作用。根据吸收滴定数据,[Cr(imiphen) 2 Cl 2 ] + ( 1 ) 和 [Cr(furphen) 2 Cl 2 ] + ( 2 ) 与 DNA 的结合常数为 5.69 ± 0.3 × 10 4 M - 1 分别为 1 和 3.7 ± 0.2 × 10 4 M - 1 为 2 。粘度研究表明,这两种复合物都以部分嵌入模式与 DNA 结合。竞争性结合试验的结果表明,这两种复合物都从 DNA 中略微取代了 EB。凝胶电泳数据显示,复合物 1 和 2 都需要共试剂来诱导 DNA 切割,但与复合物 1 相比,复合物 2 表现出更好的核酸酶活性。
Selective recognition of DNA defects by cyclometalated Ir(<scp>iii</scp>) complexes
作者:David Paul Elisa Dayanidhi、Rozaria Pinky Malapati、Vaidyanathan Vaidyanathan Ganesan
DOI:10.1039/c9dt01225g
日期:——
Three different cyclometalated Ir(iii) complexes selectively bind to DNA defects.
三种不同的环金属铱(III)配合物选择性地结合到DNA缺陷。
Biological interaction of Pt complex with imidazole derivative as an anticancer compound with DNA: Experimental and theoretical studies
docking simulation. The viscosity of DNA by different concentrations of EB and Pt complex titration shows Pt complex interacts with DNA via groove binding like the spectroscopic binding result. In the MD study, DNA helix, RMSD, and RMSF analysis showed that DNA stability decreased and that the majority of residues left the initial state. DNA increased residual deviations and flexibility are linked to an increase
这项研究旨在找出两个 N, N 双齿配体的 Pt(II) 衍生物在治疗癌症中的 DNA 结合模式的有趣信息。由此,制备并确定了一种具有FIP和phen的新型水溶性铂络合物,其新式为[Pt(phen)(FIP)](NO 3 ) 2 。DFT 数据可用于评估几何参数。根据 ADMET 预测,该复合物可被视为类药物制剂。针对一些人类癌性 MCF7、A549 和 HCT116 细胞系评估了细胞毒性特性。确定了每个癌细胞中 Pt 络合物、顺铂和奥沙利铂的积累,这可能与其亲脂性和溶解性有关。通过荧光光谱、圆二色性和分子对接模拟研究了复合物与ct-DNA的结合模式。通过不同浓度的 EB 和 Pt 络合物滴定得到的 DNA 粘度表明,Pt 络合物通过凹槽结合与 DNA 相互作用,如光谱结合结果。在 MD 研究中,DNA 螺旋、RMSD 和 RMSF 分析表明 DNA 稳定性下降,并且大多数残基离开了初始状态。DNA