Design, Synthesis, and Biological Evaluation of a Novel Series of 4-Guanidinobenzoate Derivatives as Enteropeptidase Inhibitors with Low Systemic Exposure for the Treatment of Obesity
作者:Zenichi Ikeda、Keiko Kakegawa、Fumiaki Kikuchi、Sachiko Itono、Hideyuki Oki、Hiroaki Yashiro、Hideyuki Hiyoshi、Kazue Tsuchimori、Kenichi Hamagami、Masanori Watanabe、Masako Sasaki、Youko Ishihara、Kimio Tohyama、Tomoyuki Kitazaki、Tsuyoshi Maekawa、Minoru Sasaki
DOI:10.1021/acs.jmedchem.2c00463
日期:2022.6.23
pharmacological effects. Further optimization focusing on the in vitro IC50 value and T1/2, an indicator of dissociation time, followed by enhanced in vivo pharmacological activity based on the ester stability of the compounds, revealed two series of potent enteropeptidase inhibitors, a dihydrobenzofuran analogue ((S)-5b, SCO-792) and phenylisoxazoline (6b), which exhibited potent anti-obesity effects despite
为了发现一系列新的肠肽酶强效抑制剂,一种定位于十二指肠刷状缘的膜结合丝氨酸蛋白酶,以最小的全身暴露评估了 4-胍基苯甲酸酯衍生物。1c对接模型能够安装额外的羧酸部分以获得与肠肽酶的额外相互作用,从而产生2a。在饮食诱导的肥胖 (DIO) 小鼠中,口服2a显着提高了粪便蛋白输出(一种药效学标志物),而皮下给药并未改变该参数。因此,2a的药理作用不需要全身暴露。进一步优化体外IC 50值和T 1/2,解离时间的指标,然后基于化合物的酯稳定性增强的体内药理活性,揭示了两个系列的强效肠肽酶抑制剂,二氢苯并呋喃类似物 ( ( S )-5b, SCO-792 ) 和苯基异恶唑啉 ( 6b ),尽管它们在 DIO 大鼠口服给药后全身暴露量较低,但仍表现出有效的抗肥胖作用。