Selection of Evodiamine as a Novel Topoisomerase I Inhibitor by Structure-Based Virtual Screening and Hit Optimization of Evodiamine Derivatives as Antitumor Agents
作者:Guoqiang Dong、Chunquan Sheng、Shengzheng Wang、Zhenyuan Miao、Jianzhong Yao、Wannian Zhang
DOI:10.1021/jm100387d
日期:2010.11.11
target for the development of effective antitumor agents. Structure-based virtual screening was applied to the discovery of structurally diverse TopoI inhibitors. From 23 compounds selected by virtual screening, a total of 14 compounds were found to be TopoI inhibitors. Five hits (compounds 1, 14, 20, 21, and 23) also showed moderate to good in vitro antitumor activity. These novel structures can be considered
人拓扑异构酶I(TopoI)被认为是开发有效抗肿瘤药物的重要靶标。基于结构的虚拟筛选应用于发现结构多样的TopoI抑制剂。从通过虚拟筛选选择的23种化合物中,总共发现14种化合物是TopoI抑制剂。五次命中(化合物1,14,20,21,和23)也显示中等至体外抗肿瘤活性好。这些新颖的结构可被视为开发新的抗肿瘤先导化合物的良好起点。命中20(evodiamine)被选择用于初步的结构-活性关系研究。将各种基团,包括烷基,苯甲酰基,苄基和酯,引入到戊二胺的吲哚氮原子上。发现取代的苯甲酰基对于抗肿瘤活性和光谱是有利的。4-Cl苯甲酰基衍生物化合物29u是活性最高的化合物,IC 50值在0.049-2.6μM范围内。