Fast-Acting Small Molecules Targeting Malarial Aspartyl Proteases, Plasmepsins, Inhibit Malaria Infection at Multiple Life Stages.
Fast-Acting Small Molecules Targeting Malarial Aspartyl Proteases, Plasmepsins, Inhibit Malaria Infection at Multiple Life Stages.
复制标题
针对疟疾天冬氨酰蛋白酶、纤溶酶的速效小分子可抑制多个生命阶段的疟疾感染。
DOI:
10.1021/acsinfecdis.8b00197
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发表时间:
2019
影响因子:
5.3
通讯作者:
Kempai
中科院分区:
文献类型:
--
作者:
Singh,Snigdha;Rajendran,Vinoth;He,Jiang;Singh,AmitK;Achieng,AngelaO;Vandana;Pant,Akansha;Nasamu,ArmiyawS;Pandit,Mansi;Singh,Jyoti;Quadiri,Afshana;Gupta,Nikesh;Poonam;Ghosh,PrahladC;Singh,BrajendraK;Narayanan,Latha;Kempai
The eradication of malaria remains challenging due to the complex life cycle ofPlasmodiumand the rapid emergence of drug-resistant forms ofPlasmodium falciparumandPlasmodium vivax. New, effective, and inexpensive antimalarials against multiple life stages of the parasite are urgently needed to combat the spread of malaria. Here, we synthesized a set of novel hydroxyethylamines and investigated their activities in vitro and in vivo. All of the compounds tested had an inhibitory effect on the blood stage ofP. falciparumat submicromolar concentrations, with the best showing 50% inhibitory concentrations (IC50) of around 500 nM against drug-resistantP. falciparumparasites. These compounds showed inhibitory actions against plasmepsins, a family of malarial aspartyl proteases, and exhibited a marked killing effect on blood stagePlasmodium. In chloroquine-resistantPlasmodium bergheiandP. bergheiANKA infected mouse models, treating mice with both compounds led to a significant decrease in blood parasite load. Importantly, two of the compounds displayed an inhibitory effect on the gametocyte stages (III–V) ofP. falciparumin culture and the liver-stage infection ofP. bergheiboth in in vitro and in vivo. Altogether, our findings suggest that fast-acting hydroxyethylamine-phthalimide analogs targeting multiple life stages of the parasite could be a valuable chemical lead for the development of novel antimalarial drugs.
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DOI:
--
发表时间:
1987
期刊:
影响因子:
--
作者:
T. Mizutani
通讯作者:
T. Mizutani
DOI:
10.1021/ba-1982-0199.ch017
发表时间:
1982
期刊:
Journal of clinical oncology : official journal of the American Society of Clinical Oncology
影响因子:
--
作者:
T. Horbett
通讯作者:
T. Horbett
DOI:
--
发表时间:
1979
期刊:
影响因子:
--
作者:
B. Ratner;J. J. Rosen;A. Hoffman;L. Scharpen
通讯作者:
L. Scharpen
影响因子:
5.5
作者:
YOON, SC;RATNER, BD
通讯作者:
RATNER, BD
影响因子:
2.9
作者:
Arlen Rosenberg;F. W. Teare
通讯作者:
F. W. Teare