Synthesis, biological evaluation and molecular modeling studies of novel 1,2,3-triazole-linked menadione-furan derivatives as P2X7 inhibitors
作者:Juliana P. S. dos Santos、Ruan Carlos B. Ribeiro、Juliana V. Faria、Murilo L. Bello、Carolina G. S. Lima、Fernanda P. Pauli、Amanda A. Borges、David R. Rocha、Matheus G. Moraes、Luana S. M. Forezi、Vitor F. Ferreira、Robson X. Faria、Fernando de C. da Silva
DOI:10.1007/s10863-022-09947-2
日期:2022.12
The P2X7 receptor (P2X7R) is an ion channel that promotes the passage of ions through the membrane through brief stimulation once activated by ATP, its endogenous opener. However, prolonged stimulation with ATP, which occurs in pathological processes, opens a nonselective pore in the plasma membrane, allowing the passage of large molecules and leading to cytokine release or even cell death. In this sense, the search for new inhibitors for this receptor has attracted a great deal of attention in recent years. Considering the booming of biomass upgrading reactions in recent years and the continued efforts to synthesize biologically active molecules containing the 1,2,3-triazole ring, in the present work, we aimed to investigate whether triazole-linked menadione-furan derivatives could present P2X7R inhibitory activity. The novel compounds were tested for their inhibitory activity on ATP-induced dye uptake in peritoneal macrophages. Some have shown promising results, having displayed IC50 values lower than that of the P2X7R inhibitor BBG. Molecular docking studies also indicated that the active compounds bind to an allosteric site on P2X7R, presenting potential P2X7R inhibition.
P2X7受体(P2X7R)是一种离子通道,一旦被内源性开放剂ATP激活,就会通过短暂刺激促进离子通过细胞膜。然而,在病理过程中,ATP的长期刺激会在质膜上打开一个非选择性孔,允许大分子通过,导致细胞因子释放甚至细胞死亡。从这个意义上讲,近年来寻找这种受体的新抑制剂引起了人们的广泛关注。考虑到近年来生物质升级反应的蓬勃发展以及合成含有1,2,3-三唑环的生物活性分子的持续努力,在本研究中,我们旨在研究三唑连接的甲萘醌-呋喃衍生物是否具有P2X7R抑制活性。对这些新型化合物进行了测试,以研究其对腹膜巨噬细胞中ATP诱导的染料摄取的抑制活性。其中一些化合物显示出令人鼓舞的结果,其IC50值低于P2X7R抑制剂BBG。分子对接研究还表明,活性化合物与P2X7R上的变构位点结合,表现出潜在的P2X7R抑制作用。