Structure-based optimization and synthesis of antiviral drug Arbidol analogues with significantly improved affinity to influenza hemagglutinin.

Structure-based optimization and synthesis of antiviral drug Arbidol analogues with significantly improved affinity to influenza hemagglutinin.
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基于结构的优化和合成抗病毒药arbidol类似物,其对流感型血凝素的亲和力显着提高。

DOI:
10.1016/j.bmcl.2017.06.074
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发表时间:
2017-08-15
影响因子:
2.7
通讯作者:
Wolan DW
Wolan DW
中科院分区:
医学4区
文献类型:
--
作者:
Wright ZVF;Wu NC;Kadam RU;Wilson IA;Wolan DW

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流感是一种高度传染性的呼吸道病毒感染,仅在美国每年就造成多达50,000人死亡。对具有新作用模式的新疗法的需求是至关重要的。我们用流感血凝素测定了阿比朵尔的X射线结构,发现它位于一个独特的结合口袋中。在此,我们报告了一个结构-活性关系的基础上,结合生物层干涉法,以评估我们的化合物的结合的复合物的研究。阿比朵尔的苯硫酚部分中添加间羟基以取代结合口袋中的结构化水分子,导致对H3(1150倍)和H1(98倍)血凝素亚型的亲和力急剧增加。我们的类似物代表了新的线索,产生更有效的化合物对血凝素,阻止病毒进入。
Influenza is a highly contagious respiratory viral infection responsible for up to 50,000 deaths per annum in the US alone. The need for new therapeutics with novel modes of action is of paramount importance. We determined the x-ray structure of Arbidol with influenza hemagglutinin and found it was located in a distinct binding pocket. Herein, we report a structure-activity relationship study based on the co-complex combined with bio-layer interferometry to assess the binding of our compounds. Addition of a meta-hydroxy group to the thiophenol moiety of Arbidol to replace a structured water molecule in the binding pocket resulted in a dramatic increase in affinity against both H3 (1150-fold) and H1 (98-fold) hemagglutinin subtypes. Our analogues represent novel leads to yield more potent compounds against hemagglutinin that block viral entry.
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发表时间: 2010-08-15
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