Complexes of copper(II) with tetradentate S,O-ligands: Synthesis, characterization, DNA/albumin interactions, molecular docking simulations and antitumor activity
作者:Ana S. Živanović、Andriana M. Bukonjić、Snežana Jovanović-Stević、Jovana Bogojeski、Dušan Ćoćić、Ana Popović Bijelić、Zoran R. Ratković、Vladislav Volarević、Dragana Miloradović、Dušan Lj. Tomović、Gordana P. Radić
DOI:10.1016/j.jinorgbio.2022.111861
日期:2022.8
spectral studies, revealing good DNA interaction abilities. All synthesized complexes C1-C4 show to interact with human serum albumin (HSA) with high values of binding constants. Complexes interaction with DNA/HSA was also confirmed using molecular docking simulations. All synthesized complexes reduce viability of human colon, breast and lung cancer cells, evaluated by MTT (3-(4,5-dimethylthiazol-2-yl)-2
合成了四种新的铜 (II) 与 S,O-四齿配体、硫代水杨酸衍生物的络合物,包括乙烯-、丙烯-、丁烯-和戊二烯-桥,并通过微量分析、分子电导和红外 (IR) 进行了表征光谱。这些结构是根据前面提到的分析假设的,并用电子顺磁共振 (EPR) 光谱的结果证实。还检查了复合物对 L-蛋氨酸 (L-Met)、L-半胱氨酸 (L-Cys) 和鸟苷-5'-一磷酸 (5'-GMP) 的反应性。配体侧链含有两个惰性亚甲基的络合物C1 ([Cu(S,O-亚乙基-硫代水杨酸)(H 2 O) 2 ])反应性最高,而络合物C4反应性最低([Cu(S,O-戊二烯-硫代水杨酸)(H 2 O) 2 ]) 具有五个亚甲基。所有复合物对 L-Met 的反应性最高,对 5'-GMP 的反应性最低。通过紫外-可见 (UV-Vis) 吸收和荧光光谱研究检测了复合物C1-C4与小牛胸腺 DNA (ct-DNA) 的相互作用,揭示了良好的