Novel Ametantrone-Amsacrine Related Hybrids as Topoisomerase IIβ Poisons and Cytotoxic Agents
作者:Giuseppe Zagotto、Alessandra Gianoncelli、Claudia Sissi、Cristina Marzano、Valentina Gandin、Riccardo Pasquale、Giovanni Capranico、Giovanni Ribaudo、Manlio Palumbo
DOI:10.1002/ardp.201400111
日期:2014.10
The precise definition of the structural requirements for effective topoisomerase II poisoning by drug molecules is still an elusive issue. In the attempt to better define a pharmacophoric pattern, we prepared several conjugates combining the chemical features of two well‐known topoisomerase II poisons, amsacrine and ametantrone. Indeed, an appropriate fusion geometry, which entails the anthracenedione
药物分子有效拓扑异构酶 II 中毒的结构要求的精确定义仍然是一个难以捉摸的问题。为了更好地定义药效模式,我们制备了几种结合两种众所周知的拓扑异构酶 II 毒物安吖啶和紫茚酮的化学特征的偶联物。事实上,适当的融合几何结构,需要适当地连接到安吖啶的甲磺酰氨基苯胺侧链上的 ametantrone 的蒽二酮部分,引发 DNA 嵌入特性,抑制人类拓扑异构酶 IIβ 异构体的能力,以及类似于母体化合物的细胞毒活性。此外,与蒽二酮基团相连的侧基的特性在调节 DNA 结合和细胞毒性方面起着重要作用。在测试的化合物中,