Lead identification of novel tetrahydroimidazo[1,2-a]pyridine-5-carboxylic acid derivative as a potent heparanase-1 inhibitor
作者:Yudai Imai、Daisuke Wakasugi、Ryo Suzuki、Sota Kato、Mami Sugisaki、Masashi Mima、Hiroh Miyagawa、Mayumi Endo、Natsuko Fujimoto、Takuya Fukunaga、Sayaka Kato、Shoichi Kuroda、Teisuke Takahashi、Hiroyuki Kakinuma
DOI:10.1016/j.bmcl.2022.129050
日期:2023.1
(GUSβ) inhibitor, was found to have a weak inhibitory activity against endo-β-d-glucuronidase HPSE1. A structure–activity relationship study using the X-ray co-crystal structure of 10 and HPSE1 resulted in 12a, which showed a more than 14-fold increase in HPSE1 inhibitory activity compared with that of 10. Compound 12a could be a novel lead compound for the development of a potent HPSE1 inhibitor.
乙酰肝素酶 1 (HPSE1) 是一种内切-β- d - 葡萄糖醛酸酶,可将硫酸乙酰肝素蛋白多糖切割成短链硫酸乙酰肝素 (HS)。HPSE1 的抑制对肾病综合征等蛋白尿疾病具有治疗潜力,因为 HPSE1 表达增加与肾小球基底膜中 HS 的丢失有关,从而导致蛋白尿的发展。本研究检查了先导化合物的生成,重点关注具有糖基的化学结构,例如糖苷和糖类似物,同时考虑了它们的物理特性。化合物10是一种外切-β- d -葡萄糖醛酸酶 (GUSβ) 抑制剂,被发现对内切具有微弱的抑制活性-β- d -葡萄糖醛酸酶 HPSE1。使用10和 HPSE1的 X 射线共晶结构进行的构效关系研究产生了12a ,与10相比,其 HPSE1 抑制活性增加了 14 倍以上。化合物12a可能是开发强效 HPSE1 抑制剂的新型先导化合物。