MEPicides: α,β-Unsaturated Fosmidomycin Analogues as DXR Inhibitors against Malaria
作者:Xu Wang、Rachel L. Edwards、Haley Ball、Claire Johnson、Amanda Haymond、Misgina Girma、Michelle Manikkam、Robert C. Brothers、Kyle T. McKay、Stacy D. Arnett、Damon M. Osbourn、Sophie Alvarez、Helena I. Boshoff、Marvin J. Meyers、Robin D. Couch、Audrey R. Odom John、Cynthia S. Dowd
DOI:10.1021/acs.jmedchem.8b01026
日期:2018.10.11
fosmidomycin, a natural product that inhibits DXR in P. falciparum. All compounds were evaluated as inhibitors of P. falciparum. The most promising compound, 18a, displays on-target, potent inhibition against the growth of P. falciparum (IC50 = 13 nM) without significant inhibition of HepG2 cells (IC50 > 50 μM). 18a was also tested in a luciferase-based Plasmodium berghei mouse model of malaria and showed exceptional
恶性疟原虫导致的严重疟疾仍然是全球健康的重大威胁。DXR是MEP途径中的第二种酶,在合成类异戊二烯的构成要素中起着重要作用。由于其必需性以及在人体内的缺乏,该酶是疟疾的有希望的药物靶标。在这项研究中,我们设计并合成了一系列fsmidomycin的α,β-不饱和类似物,该产品是一种抑制恶性疟原虫DXR的天然产物。所有化合物均被评估为恶性疟原虫的抑制剂。最有前途的化合物18a对恶性疟原虫的生长表现出有针对性的有效抑制作用(IC 50= 13 nM),而没有明显抑制HepG2细胞(IC 50 > 50μM)。还在疟疾的基于萤光素酶的伯氏疟原虫小鼠模型中测试了18a,并显示了出色的体内功效。总之,数据支持MEPicide 18a作为治疗疟疾的新颖,有效和有前途的候选药物。