Heptad repeat-derived peptides block protease-mediated direct entry from the cell surface of severe acute respiratory syndrome coronavirus but not entry via the endosomal pathway.
Identifieur interne : 003103 ( Main/Exploration ); précédent : 003102; suivant : 003104Heptad repeat-derived peptides block protease-mediated direct entry from the cell surface of severe acute respiratory syndrome coronavirus but not entry via the endosomal pathway.
Auteurs : Makoto Ujike [Japon] ; Hiroki Nishikawa ; Akira Otaka ; Naoki Yamamoto ; Norio Yamamoto ; Masao Matsuoka ; Eiichi Kodama ; Nobutaka Fujii ; Fumihiro TaguchiSource :
- Journal of virology [ 1098-5514 ] ; 2008.
Descripteurs français
- KwdFr :
- MESH :
- pharmacologie : Antiviraux, Peptides, Protéines virales.
- physiologie : Peptide hydrolases, Virus du SRAS.
- virologie : Endosomes.
- Animaux, Cellules Vero, Pénétration virale.
English descriptors
- KwdEn :
- MESH :
- chemical , pharmacology : Antiviral Agents, Peptides, Viral Proteins.
- chemical , physiology : Peptide Hydrolases.
- drug effects : Virus Internalization.
- physiology : SARS Virus.
- virology : Endosomes.
- Animals, Chlorocebus aethiops, Vero Cells.
Abstract
The peptides derived from the heptad repeat (HRP) of severe acute respiratory syndrome coronavirus (SCoV) spike protein (sHRPs) are known to inhibit SCoV infection, yet their efficacies are fairly low. Recently our research showed that some proteases facilitated SCoV's direct entry from the cell surface, resulting in a more efficient infection than the previously known infection via endosomal entry. To compare the inhibitory effect of the sHRP in each pathway, we selected two sHRPs, which showed a strong inhibitory effect on the interaction of two heptad repeats in a rapid and virus-free in vitro assay system. We found that they efficiently inhibited SCoV infection of the protease-mediated cell surface pathway but had little effect on the endosomal pathway. This finding suggests that sHRPs may effectively prevent infection in the lungs, where SCoV infection could be enhanced by proteases produced in this organ. This is the first observation that HRP exhibits different effects on virus that takes the endosomal pathway and virus that enters directly from the cell surface.
DOI: 10.1128/JVI.01697-07
PubMed: 17942557
Affiliations:
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last="Nishikawa">Hiroki Nishikawa</name></author><author><name sortKey="Otaka, Akira" sort="Otaka, Akira" uniqKey="Otaka A" first="Akira" last="Otaka">Akira Otaka</name></author><author><name sortKey="Yamamoto, Naoki" sort="Yamamoto, Naoki" uniqKey="Yamamoto N" first="Naoki" last="Yamamoto">Naoki Yamamoto</name></author><author><name sortKey="Yamamoto, Norio" sort="Yamamoto, Norio" uniqKey="Yamamoto N" first="Norio" last="Yamamoto">Norio Yamamoto</name></author><author><name sortKey="Matsuoka, Masao" sort="Matsuoka, Masao" uniqKey="Matsuoka M" first="Masao" last="Matsuoka">Masao Matsuoka</name></author><author><name sortKey="Kodama, Eiichi" sort="Kodama, Eiichi" uniqKey="Kodama E" first="Eiichi" last="Kodama">Eiichi Kodama</name></author><author><name sortKey="Fujii, Nobutaka" sort="Fujii, Nobutaka" uniqKey="Fujii N" first="Nobutaka" last="Fujii">Nobutaka Fujii</name></author><author><name sortKey="Taguchi, Fumihiro" sort="Taguchi, Fumihiro" uniqKey="Taguchi F" first="Fumihiro" 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sort="Nishikawa, Hiroki" uniqKey="Nishikawa H" first="Hiroki" last="Nishikawa">Hiroki Nishikawa</name></author><author><name sortKey="Otaka, Akira" sort="Otaka, Akira" uniqKey="Otaka A" first="Akira" last="Otaka">Akira Otaka</name></author><author><name sortKey="Yamamoto, Naoki" sort="Yamamoto, Naoki" uniqKey="Yamamoto N" first="Naoki" last="Yamamoto">Naoki Yamamoto</name></author><author><name sortKey="Yamamoto, Norio" sort="Yamamoto, Norio" uniqKey="Yamamoto N" first="Norio" last="Yamamoto">Norio Yamamoto</name></author><author><name sortKey="Matsuoka, Masao" sort="Matsuoka, Masao" uniqKey="Matsuoka M" first="Masao" last="Matsuoka">Masao Matsuoka</name></author><author><name sortKey="Kodama, Eiichi" sort="Kodama, Eiichi" uniqKey="Kodama E" first="Eiichi" last="Kodama">Eiichi Kodama</name></author><author><name sortKey="Fujii, Nobutaka" sort="Fujii, Nobutaka" uniqKey="Fujii N" first="Nobutaka" last="Fujii">Nobutaka Fujii</name></author><author><name sortKey="Taguchi, Fumihiro" sort="Taguchi, Fumihiro" uniqKey="Taguchi F" first="Fumihiro" last="Taguchi">Fumihiro Taguchi</name></author></analytic><series><title level="j">Journal of virology</title><idno type="eISSN">1098-5514</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Antiviral Agents (pharmacology)</term><term>Chlorocebus aethiops</term><term>Endosomes (virology)</term><term>Peptide Hydrolases (physiology)</term><term>Peptides (pharmacology)</term><term>SARS Virus (physiology)</term><term>Vero Cells</term><term>Viral Proteins (pharmacology)</term><term>Virus Internalization (drug effects)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term><term>Antiviraux (pharmacologie)</term><term>Cellules Vero</term><term>Endosomes (virologie)</term><term>Peptide hydrolases (physiologie)</term><term>Peptides 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Recently our research showed that some proteases facilitated SCoV's direct entry from the cell surface, resulting in a more efficient infection than the previously known infection via endosomal entry. To compare the inhibitory effect of the sHRP in each pathway, we selected two sHRPs, which showed a strong inhibitory effect on the interaction of two heptad repeats in a rapid and virus-free in vitro assay system. We found that they efficiently inhibited SCoV infection of the protease-mediated cell surface pathway but had little effect on the endosomal pathway. This finding suggests that sHRPs may effectively prevent infection in the lungs, where SCoV infection could be enhanced by proteases produced in this organ. This is the first observation that HRP exhibits different effects on virus that takes the endosomal pathway and virus that enters directly from the cell surface.</div></front></TEI><affiliations><list><country><li>Japon</li></country><region><li>Région de Kantō</li></region><settlement><li>Tokyo</li></settlement></list><tree><noCountry><name sortKey="Fujii, Nobutaka" sort="Fujii, Nobutaka" uniqKey="Fujii N" first="Nobutaka" last="Fujii">Nobutaka Fujii</name><name sortKey="Kodama, Eiichi" sort="Kodama, Eiichi" uniqKey="Kodama E" first="Eiichi" last="Kodama">Eiichi Kodama</name><name sortKey="Matsuoka, Masao" sort="Matsuoka, Masao" uniqKey="Matsuoka M" first="Masao" last="Matsuoka">Masao Matsuoka</name><name sortKey="Nishikawa, Hiroki" sort="Nishikawa, Hiroki" uniqKey="Nishikawa H" first="Hiroki" last="Nishikawa">Hiroki Nishikawa</name><name sortKey="Otaka, Akira" sort="Otaka, Akira" uniqKey="Otaka A" first="Akira" last="Otaka">Akira Otaka</name><name sortKey="Taguchi, Fumihiro" sort="Taguchi, Fumihiro" uniqKey="Taguchi F" first="Fumihiro" last="Taguchi">Fumihiro Taguchi</name><name sortKey="Yamamoto, Naoki" sort="Yamamoto, Naoki" uniqKey="Yamamoto N" first="Naoki" last="Yamamoto">Naoki Yamamoto</name><name sortKey="Yamamoto, Norio" sort="Yamamoto, Norio" uniqKey="Yamamoto N" first="Norio" last="Yamamoto">Norio Yamamoto</name></noCountry><country name="Japon"><region name="Région de Kantō"><name sortKey="Ujike, Makoto" sort="Ujike, Makoto" uniqKey="Ujike M" first="Makoto" last="Ujike">Makoto Ujike</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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