Antileishmanial Thioureas: Synthesis, Biological Activity and <i>in Silico</i> Evaluations of New Promising Derivatives
作者:Gil Mendes Viana、Deivid Costa Soares、Marcos Vinicius Santana、Lilian Henriques do Amaral、Paloma Wetler Meireles、Raquel Pinto Nunes、Luiz Cláudio Rodrigues Pereira da Silva、Lúcia Cruz de Sequeira Aguiar、Carlos Rangel Rodrigues、Valeria Pereira de Sousa、Helena Carla Castro、Paula Alvarez Abreu、Plínio Cunha Sathler、Elvira Maria Saraiva、Lucio Mendes Cabral
DOI:10.1248/cpb.c17-00293
日期:——
peritoneal macrophages (CC50>200 µM), except for thiourea 3e (CC50=49.22 µM). After that, the most promising thioureas (3k, 3l, 3p, 3q and 3v) showed IC50 ranging from 70 to 150 µM against L. amazonensis amastigotes in infected macrophages. Except for thiourea 3p, the leishmanicidal activity of the derivatives were independent of nitric oxide (NO) production. Thioureas 3q and 3v affected promastigotes cell cycle
利什曼病是一种由利什曼原虫属的原生动物寄生虫引起的被忽视的热带病。当前,可用于治疗该疾病的药物具有高毒性,并伴随着寄生虫抗性的发展。为了克服这些问题,已努力寻找新的和更有效的利什曼杀菌药。这项研究的目的是合成和研究N,N'-二取代的硫脲对亚马逊利什曼原虫的杀菌作用,并评估它们在计算机上的药代动力学和毒性。我们的结果表明,使用简单的反应条件,可以高到中等的收率获得不同的硫脲。九种硫脲衍生物(3e,3i,3k,3l,3p,3q,3v,3x和3z)对寄生前鞭毛体有活性(IC50 21.48-189.10 µM),除硫脲3e(CC50 = 49.22 µM)以外,对小鼠腹膜巨噬细胞(CC50> 200 µM)具有低细胞毒性。此后,最有希望的硫脲(3k,3l,3p,3q和3v)对感染的巨噬细胞中的亚马逊线虫变形虫表现出的IC50为70至150 µM。除硫脲3p以外,衍生物的杀菌杀伤活性与一氧化氮(N