Synthesis and structure-activity relationship of furoquinolinediones as inhibitors of Tyrosyl-DNA phosphodiesterase 2 (TDP2)
作者:Le-Mao Yu、Zhu Hu、Yu Chen、Azhar Ravji、Sophia Lopez、Caroline B. Plescia、Qian Yu、Hui Yang、Monica Abdelmalak、Sourav Saha、Keli Agama、Evgeny Kiselev、Christophe Marchand、Yves Pommier、Lin-Kun An
DOI:10.1016/j.ejmech.2018.04.024
日期:2018.5
Tyrosyl-DNA phosphodiesterase 2 (TDP2) is a recently discovered enzyme specifically repairing topoisomerase II (TOP2)-mediated DNA damage. It has been shown that inhibition of TDP2 synergize with TOP2 inhibitors. Herein, we report the discovery of the furoquinolinedione chemotype as a suitable skeleton for the development of selective TDP2 inhibitors. Compound 1 was identified as a TDP2 inhibitor as a result
酪氨酰-DNA磷酸二酯酶2(TDP2)是最近发现的一种酶,可特异性修复拓扑异构酶II(TOP2)介导的DNA损伤。已经显示出对TDP2的抑制与TOP2抑制剂协同作用。在此,我们报告了呋喃喹啉二酮化学型作为开发选择性TDP2抑制剂的合适骨架的发现。通过筛选内部化合物库中对TDP2和TDP1有选择性的化合物,化合物1被确定为TDP2抑制剂。进一步的SAR研究提供了几种在低微摩尔范围内的选择性TDP2抑制剂。最有效的化合物74对全细胞提取物(WCE)中的重组TDP2和TDP2表现出抑制活性,IC50分别为1.9和2.1μM。