Sterol 14α-Demethylase Structure-Based Design of VNI ((<i>R</i>)-<i>N</i>-(1-(2,4-Dichlorophenyl)-2-(1<i>H</i>-imidazol-1-yl)ethyl)-4-(5-phenyl-1,3,4-oxadiazol-2-yl)benzamide)) Derivatives To Target Fungal Infections: Synthesis, Biological Evaluation, and Crystallographic Analysis
作者:Laura Friggeri、Tatiana Y. Hargrove、Zdzislaw Wawrzak、Anna L. Blobaum、Girish Rachakonda、Craig W. Lindsley、Fernando Villalta、W. David Nes、Maurizio Botta、F. Peter Guengerich、Galina I. Lepesheva
DOI:10.1021/acs.jmedchem.8b00641
日期:2018.7.12
sterol 14α-demethylase (CYP51), for structure-based design of novel antifungal drug candidates by minor modifications of VNI [(R)-N-(1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)ethyl)-4-(5-phenyl-1,3,4-oxadiazol-2-yl)benzamide)], an inhibitor of protozoan CYP51 that cures Chagas disease. The synthesis of fungi-oriented VNI derivatives, analysis of their potencies to inhibit CYP51s from two major fungal pathogens
由于免疫受损患者数量的增加,侵袭性真菌感染的发生率正在增加,但是治疗效率仍然低得令人无法接受。临床上最有效的系统性抗真菌药(唑类)是两种支架的衍生物:酮康唑和氟康唑。作为最安全的抗真菌药物,它们仍然存在缺点,主要是由于药代动力学和耐药性。在这里,我们报告了目标真菌酶,甾醇14α-脱甲基酶(CYP51),通过对VNI [(R)-N-(1-(2,4, -二氯苯基)-2-(1 H-咪达唑-1-基)乙基)-4-(5-苯基-1,3,4-恶二唑-2-基)苯甲酰胺)],这是一种原生动物CYP51的抑制剂,可治愈南美锥虫病。面向真菌的VNI衍生物的合成,其抑制两种主要真菌病原体(烟曲霉和白色念珠菌)CYP51s的能力,微粒体稳定性,对真菌细胞的作用以及最复杂的烟曲霉CYP51的结构表征描述了有效的化合物,提供了新的抗真菌药物支架并概述了进一步优化的方向。