Discovery of potent, selective, and orally bioavailable quinoline-based dipeptidyl peptidase IV inhibitors targeting Lys554
作者:Hironobu Maezaki、Yoshihiro Banno、Yasufumi Miyamoto、Yuusuke Moritou、Tomoko Asakawa、Osamu Kataoka、Koji Takeuchi、Nobuhiro Suzuki、Koji Ikedo、Takuo Kosaka、Masako Sasaki、Shigetoshi Tsubotani、Akiyoshi Tani、Miyuki Funami、Yoshio Yamamoto、Michiko Tawada、Kathleen Aertgeerts、Jason Yano、Satoru Oi
DOI:10.1016/j.bmc.2011.06.032
日期:2011.8
Dipeptidyl peptidase IV (DPP-4) inhibition is a validated therapeutic option for type 2 diabetes, exhibiting multiple antidiabetic effects with little or no risk of hypoglycemia. In our studies involving non-covalent DPP-4 inhibitors, a novel series of quinoline-based inhibitors were designed based on the co-crystal structure of isoquinolone 2 in complex with DPP-4 to target the side chain of Lys554
二肽基肽酶IV(DPP-4)抑制是2型糖尿病的有效治疗选择,具有多种抗糖尿病作用,低血糖风险很小或没有。在涉及非共价DPP-4抑制剂的研究中,基于异喹诺酮2与DPP-4的共晶体结构设计了一系列基于喹啉的抑制剂,以靶向Lys554的侧链。设计化合物的合成和评估表明,1- [3-(氨基甲基)-4-(4-甲基苯基)-2-(2-甲基丙基)喹啉-6-基]哌嗪-2,5-二酮(1)强效,选择性和口服活性DPP-4抑制剂(IC 50 = 1.3 nM)在犬中具有持久的离体活性,在大鼠中具有出色的降血糖作用。化合物1的对接研究 揭示了与Lys554的侧链的氢键相互作用,表明该残基作为用于增强DPP-4抑制作用的潜在靶位点。