Discovery of Potent, Reversible, and Competitive Cruzain Inhibitors with Trypanocidal Activity: A Structure-Based Drug Design Approach
作者:Mariana L. de Souza、Celso de Oliveira Rezende Junior、Rafaela S. Ferreira、Rocio Marisol Espinoza Chávez、Leonardo L. G. Ferreira、Brian W. Slafer、Luma G. Magalhães、Renata Krogh、Glaucius Oliva、Fabio Cardoso Cruz、Luiz Carlos Dias、Adriano D. Andricopulo
DOI:10.1021/acs.jcim.9b00802
日期:2020.2.24
identification of a small-molecule inhibitor (1) of the Trypanosoma cruzi cruzain enzyme, a validated drug target for Chagas disease. Subsequent comprehensive structure-based drug design and structure-activity relationship studies led to the discovery of carbamoyl imidazoles as potent, reversible, and competitive cruzain inhibitors. The most potent carbamoyl imidazole inhibitor (45) exhibited high affinity
对来自铅样和片段样亚组的近400万种化合物进行的虚拟筛选能够鉴定出锥虫锥虫克鲁萨因酶的一种小分子抑制剂(1),该酶已被证明是恰加斯病的药物靶标。随后进行的全面的基于结构的药物设计和结构-活性关系研究导致发现氨基甲酰基咪唑为有效,可逆和竞争性的克鲁萨因抑制剂。最有效的氨基甲酰基咪唑抑制剂(45)表现出高亲和力,Ki值为20 nM,在体外和体内均表现出抗克鲁维酵母的活性。此外,最有前途的化合物在体内降低了寄生虫负担,并且在100 mg / kg的剂量下未显示毒性。这些氨基甲酰基咪唑在结构上有吸引力,非肽类,易于制备和合成修饰。最后,