作者:Olga O. Krasnovskaya、Dmitry A. Guk、Alexey E. Naumov、Vita N. Nikitina、Alevtina S. Semkina、Kseniya Yu. Vlasova、Vadim Pokrovsky、Oksana O. Ryabaya、Saida S. Karshieva、Dmitry A. Skvortsov、Irina V. Zhirkina、Radik R. Shafikov、Petr V. Gorelkin、Alexander N. Vaneev、Alexander S. Erofeev、Dmitrii M. Mazur、Viktor A. Tafeenko、Vladimir I. Pergushov、Mikhail Ya. Melnikov、Mikhail A. Soldatov、Victor V. Shapovalov、Alexander V. Soldatov、Roman. A. Akasov、Vasily M. Gerasimov、Dmitry A. Sakharov、Anna A. Moiseeva、Nikolay V. Zyk、Elena K. Beloglazkina、Alexander G. Majouga
DOI:10.1021/acs.jmedchem.0c01196
日期:2020.11.12
of analogues with different substituents at the N(3) position, which govern the redox potentials of the Cu+2/Cu+1 redox couples, ROS generation ability, and intracellular accumulation. Possible cytotoxicity mechanisms, such as DNA damage, DNA intercalation, telomerase inhibition, and apoptosis induction, have been investigated. ROS formation in MCF-7 cells and three-dimensional (3D) spheroids was proven
合成并表征了一系列73种配体及其73种Cu +2和Cu +1铜配合物,这些配合物具有不同的几何形状,金属的氧化态和氧化还原活性。该研究的目的是建立一系列在N(3)位置具有不同取代基的类似物的结构-活性关系,这些类似物控制Cu + 2 / / Cu +1的氧化还原电势氧化还原对,ROS产生能力和细胞内积累。已经研究了可能的细胞毒性机制,例如DNA损伤,DNA嵌入,端粒酶抑制和凋亡诱导。使用Pt纳米电极证明了MCF-7细胞和三维(3D)球体中的ROS形成。在3D肿瘤模型中,由Cu +2 / Cu +1氧化还原电势控制的药物堆积和ROS的形成是在3D肿瘤模型中影响药物功效的关键因素。对两种双核混合价Cu +1 / Cu +2氧化还原活性配位化合物72k和61k进行了无毒的体内单剂量评估。