Discovery of Brain-Penetrant Glucosylceramide Synthase Inhibitors with a Novel Pharmacophore
作者:Yuta Tanaka、Masaki Seto、Keiko Kakegawa、Kazuaki Takami、Fumiaki Kikuchi、Takeshi Yamamoto、Minoru Nakamura、Masaki Daini、Masataka Murakami、Tomohiro Ohashi、Takahito Kasahara、Junsi Wang、Zenichi Ikeda、Yasufumi Wada、Florian Puenner、Takahiro Fujii、Masakazu Inazuka、Sho Sato、Tomohiko Suzaki、Jeong-Ho Oak、Yuichi Takai、Hiroshi Kohara、Kouya Kimoto、Hideyuki Oki、Satoshi Mikami、Minoru Sasaki、Yuta Tanaka
DOI:10.1021/acs.jmedchem.1c02078
日期:2022.3.10
absorption, distribution, metabolism, elimination, toxicity (ADMETox) profile resulted in the discovery of T-036, a potent GCS inhibitor in vivo. Pharmacophore-based scaffold hopping was performed to mitigate safety concerns associated with T-036. The ring opening of T-036 resulted in another potent GCS inhibitor with a lower toxicological risk, T-690, which reduced glucosylceramide in a dose-dependent manner
葡萄糖神经酰胺合酶 (GCS) 的抑制是戈谢病的主要治疗策略,并且已被建议作为治疗帕金森病的潜在靶点。在此,我们报告了新的脑渗透 GCS 抑制剂的发现。对构效关系的评估揭示了该系列中独特的药效团。芳环 A 的亲脂性邻位取代基和芳环 B 的适当方向性是效力的关键。吸收、分布、代谢、消除、毒性 (ADMETox) 曲线的优化导致发现了T-036,一种有效的体内 GCS 抑制剂。进行基于药效团的支架跳跃以减轻与T-036相关的安全问题。T-036的开环导致另一种具有较低毒理学风险的强效 GCS 抑制剂T-690以剂量依赖性方式减少小鼠血浆和皮质中的葡萄糖神经酰胺。最后,我们讨论了赋予独特抑制模式和降低心血管风险的化合物的结构方面。