Hybrid Molecule from <i>O</i><sup>2</sup>-(2,4-Dinitrophenyl)diazeniumdiolate and Oleanolic Acid: A Glutathione <i>S</i>-Transferase π-Activated Nitric Oxide Prodrug with Selective Anti-Human Hepatocellular Carcinoma Activity and Improved Stability
作者:Junjie Fu、Ling Liu、Zhangjian Huang、Yisheng Lai、Hui Ji、Sixun Peng、Jide Tian、Yihua Zhang
DOI:10.1021/jm400393u
日期:2013.6.13
A series of hybrids from O2-(2,4-dinitrophenyl)diazeniumdiolate and oleanolic acid (OA) were designed, synthesized, and biologically evaluated as novel nitric oxide (NO)-releasing prodrugs that could be activated by glutathione S-transferase π (GSTπ) overexpressed in a number of cancer cells. It was discovered that the most active compound, 21, released high levels of NO selectively in HCC cells but
设计,合成并合成了O 2-(2,4-二硝基苯基)二氮杂二烯二醇盐和齐墩果酸(OA)的一系列杂种,并将其作为可被谷胱甘肽S-转移酶π激活的新型释放一氧化氮(NO)的前药进行了生物学评估。(GSTπ)在许多癌细胞中过表达。发现活性最高的化合物21在HCC细胞中选择性释放高水平的NO,而在正常细胞中则不释放,并且在体外表现出有效的抗增殖活性以及体内显着的肿瘤延缓作用。与报道的GSTπ活化的前药JS-K和PABA / NO相比,在不存在GSTπ的情况下21显示出显着改善的稳定性。重要的是,分解21在谷胱甘肽S-转移酶存在下发生,比谷胱甘肽S-转移酶α有效得多。此外,21通过诱导细胞周期停滞在G2 / M期,激活线粒体介导的途径和MAPK途径,并增强ROS的细胞内产生,从而诱导HepG2细胞凋亡。