Discovery and structure-activity relationship study of 2-piperazinyl-benzothiazole derivatives as potent and selective PPARδ agonists
作者:Terukazu Kato、Takafumi Ohara、Naoyuki Suzuki、Noriyuki Naya、Keita Fukao、Ryukou Tokuyama、Susumu Muto、Hiroshi Fukasawa、Akiko Itai、Ken-ichi Matsumura
DOI:10.1016/j.bmc.2023.117215
日期:2023.3
lead compound 1 focusing on improvement of hydrophobic interactions in the binding site to enhance agonist efficacy for PPARδ and subtype selectivity, thereby discovering a novel PPARδ agonist 5g which exhibited high in vitro agonist activity (hPPARδ, EC50 = 4.1 nM) and sufficiently high selectivity ratio over PPARα and PPARγ. Moreover, 5g revealed a significant upregulation of high-density lipoprotein
过氧化物酶体增殖物激活受体δ(PPARδ)被认为是治疗代谢综合征的靶点,但临床上尚无PPARδ激动剂。此前,我们已经报道了使用基于对接的虚拟筛选技术发现 2-(1-哌啶基)-1,3-苯并噻唑衍生物作为一系列新的 PPARδ 激动剂。在这项研究中,我们对先导化合物1进行了进一步的优化研究,重点是改善结合位点的疏水相互作用,以增强 PPARδ 的激动剂功效和亚型选择性,从而发现了一种新型 PPARδ 激动剂5g ,其在体外表现出高激动剂活性( hPPARδ, EC 50 = 4.1 nM),并且对 PPARα 和 PPARγ 具有足够高的选择性。此外,5g显示体内高密度脂蛋白胆固醇水平显着上调。