Synthesis, Structure-Activity Relationships, and Antiviral Activity of Allosteric Inhibitors of Flavivirus NS2B-NS3 Protease.

Synthesis, Structure-Activity Relationships, and Antiviral Activity of Allosteric Inhibitors of Flavivirus NS2B-NS3 Protease.
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DOI:
10.1021/acs.jmedchem.0c02070
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发表时间:
2021-03-11
影响因子:
7.3
通讯作者:
Song Y
Song Y
中科院分区:
医学1区
文献类型:
--
作者:
Nie S;Yao Y;Wu F;Wu X;Zhao J;Hua Y;Wu J;Huo T;Lin YL;Kneubehl AR;Vogt MB;Ferreon J;Rico-Hesse R;Song Y

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黄病毒,包括寨卡病毒、登革热病毒和西尼罗河病毒,是重要的人类病原体。黄病毒属高度保守的NS 2B-NS 3蛋白酶是病毒复制所必需的,因此是一个有前途的药物靶点。通过化合物筛选和药物化学研究,发现一系列新的2,5,6-三取代吡嗪化合物是寨卡病毒蛋白酶(ZVpro)的有效变构抑制剂,IC 50值低至130 nM。讨论了它们的构效关系。ZVpro抑制剂还抑制登革热和西尼罗病毒的同源蛋白酶,并且它们的抑制活性是相关的。最有效的化合物47和103有效地抑制了细胞中的寨卡病毒复制,EC 68值为300-600 nM,并且在寨卡病毒感染的小鼠模型中。这些化合物代表了抗黄病毒感染药物开发的新药理学先导。
Flaviviruses, including Zika, dengue and West Nile virus, are important human pathogens. The highly conserved NS2B-NS3 protease of Flavivirus is essential for viral replication and therefore a promising drug target. Through compound screen followed by medicinal chemistry studies, a novel series of 2,5,6-trisubstituted pyrazine compounds are found to be potent, allosteric inhibitors of Zika virus protease (ZVpro) with IC50 values as low as 130 nM. Their structure-activity relationships are discussed. The ZVpro inhibitors also inhibit homologous proteases of dengue and West Nile virus and their inhibitory activities are correlated. The most potent compounds 47 and 103 potently inhibited Zika virus replication in cells with EC68 values of 300–600 nM and in a mouse model of Zika infection. These compounds represent novel pharmacological leads for drug development against Flavivirus infections.
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