Serveur d'exploration SRAS

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Small Molecules Blocking the Entry of Severe Acute Respiratory Syndrome Coronavirus into Host Cells

Identifieur interne : 005064 ( Main/Exploration ); précédent : 005063; suivant : 005065

Small Molecules Blocking the Entry of Severe Acute Respiratory Syndrome Coronavirus into Host Cells

Auteurs : Ling Yi ; Zhengquan Li ; Kehu Yuan ; Xiuxia Qu ; Jian Chen ; Guangwen Wang ; Hong Zhang ; Hongpeng Luo ; Lili Zhu ; Pengfei Jiang ; Lirong Chen ; Yan Shen ; Min Luo ; Guoying Zuo ; Jianhe Hu ; Deliang Duan ; Yuchun Nie ; Xuanling Shi ; Wei Wang ; Yang Han ; Taisheng Li ; Yuqing Liu ; Mingxiao Ding ; Hongkui Deng ; Xiaojie Xu

Source :

RBID : PMC:521800

Descripteurs français

English descriptors

Abstract

Severe acute respiratory syndrome coronavirus (SARS-CoV) is the pathogen of SARS, which caused a global panic in 2003. We describe here the screening of Chinese herbal medicine-based, novel small molecules that bind avidly with the surface spike protein of SARS-CoV and thus can interfere with the entry of the virus to its host cells. We achieved this by using a two-step screening method consisting of frontal affinity chromatography-mass spectrometry coupled with a viral infection assay based on a human immunodeficiency virus (HIV)-luc/SARS pseudotyped virus. Two small molecules, tetra-O-galloyl-β-d-glucose (TGG) and luteolin, were identified, whose anti-SARS-CoV activities were confirmed by using a wild-type SARS-CoV infection system. TGG exhibits prominent anti-SARS-CoV activity with a 50% effective concentration of 4.5 μM and a selective index of 240.0. The two-step screening method described here yielded several small molecules that can be used for developing new classes of anti-SARS-CoV drugs and is potentially useful for the high-throughput screening of drugs inhibiting the entry of HIV, hepatitis C virus, and other insidious viruses into their host cells.


Url:
DOI: 10.1128/JVI.78.20.11334-11339.2004
PubMed: 15452254
PubMed Central: 521800


Affiliations:


Links toward previous steps (curation, corpus...)


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<p>Severe acute respiratory syndrome coronavirus (SARS-CoV) is the pathogen of SARS, which caused a global panic in 2003. We describe here the screening of Chinese herbal medicine-based, novel small molecules that bind avidly with the surface spike protein of SARS-CoV and thus can interfere with the entry of the virus to its host cells. We achieved this by using a two-step screening method consisting of frontal affinity chromatography-mass spectrometry coupled with a viral infection assay based on a human immunodeficiency virus (HIV)-luc/SARS pseudotyped virus. Two small molecules, tetra-
<italic>O</italic>
-galloyl-β-
<sc>d</sc>
-glucose (TGG) and luteolin, were identified, whose anti-SARS-CoV activities were confirmed by using a wild-type SARS-CoV infection system. TGG exhibits prominent anti-SARS-CoV activity with a 50% effective concentration of 4.5 μM and a selective index of 240.0. The two-step screening method described here yielded several small molecules that can be used for developing new classes of anti-SARS-CoV drugs and is potentially useful for the high-throughput screening of drugs inhibiting the entry of HIV, hepatitis C virus, and other insidious viruses into their host cells.</p>
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<name sortKey="Chen, Jian" sort="Chen, Jian" uniqKey="Chen J" first="Jian" last="Chen">Jian Chen</name>
<name sortKey="Chen, Lirong" sort="Chen, Lirong" uniqKey="Chen L" first="Lirong" last="Chen">Lirong Chen</name>
<name sortKey="Deng, Hongkui" sort="Deng, Hongkui" uniqKey="Deng H" first="Hongkui" last="Deng">Hongkui Deng</name>
<name sortKey="Ding, Mingxiao" sort="Ding, Mingxiao" uniqKey="Ding M" first="Mingxiao" last="Ding">Mingxiao Ding</name>
<name sortKey="Duan, Deliang" sort="Duan, Deliang" uniqKey="Duan D" first="Deliang" last="Duan">Deliang Duan</name>
<name sortKey="Han, Yang" sort="Han, Yang" uniqKey="Han Y" first="Yang" last="Han">Yang Han</name>
<name sortKey="Hu, Jianhe" sort="Hu, Jianhe" uniqKey="Hu J" first="Jianhe" last="Hu">Jianhe Hu</name>
<name sortKey="Jiang, Pengfei" sort="Jiang, Pengfei" uniqKey="Jiang P" first="Pengfei" last="Jiang">Pengfei Jiang</name>
<name sortKey="Li, Taisheng" sort="Li, Taisheng" uniqKey="Li T" first="Taisheng" last="Li">Taisheng Li</name>
<name sortKey="Li, Zhengquan" sort="Li, Zhengquan" uniqKey="Li Z" first="Zhengquan" last="Li">Zhengquan Li</name>
<name sortKey="Liu, Yuqing" sort="Liu, Yuqing" uniqKey="Liu Y" first="Yuqing" last="Liu">Yuqing Liu</name>
<name sortKey="Luo, Hongpeng" sort="Luo, Hongpeng" uniqKey="Luo H" first="Hongpeng" last="Luo">Hongpeng Luo</name>
<name sortKey="Luo, Min" sort="Luo, Min" uniqKey="Luo M" first="Min" last="Luo">Min Luo</name>
<name sortKey="Nie, Yuchun" sort="Nie, Yuchun" uniqKey="Nie Y" first="Yuchun" last="Nie">Yuchun Nie</name>
<name sortKey="Qu, Xiuxia" sort="Qu, Xiuxia" uniqKey="Qu X" first="Xiuxia" last="Qu">Xiuxia Qu</name>
<name sortKey="Shen, Yan" sort="Shen, Yan" uniqKey="Shen Y" first="Yan" last="Shen">Yan Shen</name>
<name sortKey="Shi, Xuanling" sort="Shi, Xuanling" uniqKey="Shi X" first="Xuanling" last="Shi">Xuanling Shi</name>
<name sortKey="Wang, Guangwen" sort="Wang, Guangwen" uniqKey="Wang G" first="Guangwen" last="Wang">Guangwen Wang</name>
<name sortKey="Wang, Wei" sort="Wang, Wei" uniqKey="Wang W" first="Wei" last="Wang">Wei Wang</name>
<name sortKey="Xu, Xiaojie" sort="Xu, Xiaojie" uniqKey="Xu X" first="Xiaojie" last="Xu">Xiaojie Xu</name>
<name sortKey="Yi, Ling" sort="Yi, Ling" uniqKey="Yi L" first="Ling" last="Yi">Ling Yi</name>
<name sortKey="Yuan, Kehu" sort="Yuan, Kehu" uniqKey="Yuan K" first="Kehu" last="Yuan">Kehu Yuan</name>
<name sortKey="Zhang, Hong" sort="Zhang, Hong" uniqKey="Zhang H" first="Hong" last="Zhang">Hong Zhang</name>
<name sortKey="Zhu, Lili" sort="Zhu, Lili" uniqKey="Zhu L" first="Lili" last="Zhu">Lili Zhu</name>
<name sortKey="Zuo, Guoying" sort="Zuo, Guoying" uniqKey="Zuo G" first="Guoying" last="Zuo">Guoying Zuo</name>
</noCountry>
</tree>
</affiliations>
</record>

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