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Synthetic peptide studies on the severe acute respiratory syndrome (SARS) coronavirus spike glycoprotein: Perspective for SARS vaccine development

Identifieur interne : 005A57 ( Main/Curation ); précédent : 005A56; suivant : 005A58

Synthetic peptide studies on the severe acute respiratory syndrome (SARS) coronavirus spike glycoprotein: Perspective for SARS vaccine development

Auteurs : Wai-Yan Choy [Hong Kong] ; Shu-Guang Lin [République populaire de Chine] ; Paul Kay-Sheung Chan [Hong Kong] ; John Siu-Lun Tam [Hong Kong] ; Y. M. Dennis Lo [Hong Kong] ; Ida Miu-Ting Chu [Hong Kong] ; Sau-Na Tsai [Hong Kong] ; Ming-Qi Zhong [Hong Kong] ; Kwok-Pui Fung [Hong Kong] ; Mary Miu-Yee Waye [Hong Kong] ; Stephen Kwok-Wing Tsui [Hong Kong] ; Kai-On Ng [Hong Kong] ; Zhi-Xin Shan [République populaire de Chine] ; MIN YANG [République populaire de Chine] ; Yi-Long Wu [République populaire de Chine] ; Zhan-Yi Lin [République populaire de Chine] ; Sai-Ming Ngai [Hong Kong]

Source :

RBID : Pascal:04-0547697

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English descriptors

Abstract

Background: The S (spike) protein of the etiologic coronavirus (CoV) agent of severe acute respiratory syndrome (SARS) plays a central role in mediating viral infection via receptor binding and membrane fusion between the virion and the host cell. We focused on using synthetic peptides for developing antibodies against SARS-CoV, which aimed to block viral invasion by eliciting an immune response specific to the native SARS-CoV S protein. Methods: Six peptide sequences corresponding to the surface regions of SARS-CoV S protein were designed and investigated by use of combined bioinformatics and structural analysis. These synthetic peptides were used to immunize both rabbits and monkeys. Antisera collected 1 week after the second immunization were analyzed by ELISA and tested for antibody specificity against SARS-CoV by immunofluorescent confocal microscopy. Results: Four of our six synthetic peptides (S2, S3, S5, and S6) elicited SARS-CoV-specific antibodies, of which S5 (residues 788-820) and S6 (residues 1002-1030) exhibited immunogenic responses similar to those found in a parallel investigation using truncated recombinant protein analogs of the SARS-CoV S protein. This suggested that our S5 and S6 peptides may represent two minimum biologically active sequences of the immunogenic regions of the SARS-CoV S protein. Conclusions: Synthetic peptides can elicit specific antibodies to SARS-CoV. The study provides insights for the future development of SARS vaccine via the synthetic-peptide-based approach.

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Pascal:04-0547697

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<name sortKey="Tsui, Stephen Kwok Wing" sort="Tsui, Stephen Kwok Wing" uniqKey="Tsui S" first="Stephen Kwok-Wing" last="Tsui">Stephen Kwok-Wing Tsui</name>
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<name sortKey="Ng, Kai On" sort="Ng, Kai On" uniqKey="Ng K" first="Kai-On" last="Ng">Kai-On Ng</name>
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<settlement type="city">Sha Tin</settlement>
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<orgName type="university">Université chinoise de Hong Kong</orgName>
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<author>
<name sortKey="Shan, Zhi Xin" sort="Shan, Zhi Xin" uniqKey="Shan Z" first="Zhi-Xin" last="Shan">Zhi-Xin Shan</name>
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<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
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<author>
<name sortKey="Min Yang" sort="Min Yang" uniqKey="Min Yang" last="Min Yang">MIN YANG</name>
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<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
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<country>République populaire de Chine</country>
<wicri:noRegion>Guangdong</wicri:noRegion>
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</author>
<author>
<name sortKey="Wu, Yi Long" sort="Wu, Yi Long" uniqKey="Wu Y" first="Yi-Long" last="Wu">Yi-Long Wu</name>
<affiliation wicri:level="1">
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<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
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<country>République populaire de Chine</country>
<wicri:noRegion>Guangdong</wicri:noRegion>
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</author>
<author>
<name sortKey="Lin, Zhan Yi" sort="Lin, Zhan Yi" uniqKey="Lin Z" first="Zhan-Yi" last="Lin">Zhan-Yi Lin</name>
<affiliation wicri:level="1">
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<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
<s2>Guangdong</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>16 aut.</sZ>
</inist:fA14>
<country>République populaire de Chine</country>
<wicri:noRegion>Guangdong</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Ngai, Sai Ming" sort="Ngai, Sai Ming" uniqKey="Ngai S" first="Sai-Ming" last="Ngai">Sai-Ming Ngai</name>
<affiliation wicri:level="4">
<inist:fA14 i1="01">
<s1>Molecular Biotechnology Program, Department of Biology and Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>1 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
<affiliation wicri:level="4">
<inist:fA14 i1="05">
<s1>Department of Biology, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>7 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
</analytic>
<series>
<title level="j" type="main">Clinical chemistry : (Baltimore, Md.)</title>
<title level="j" type="abbreviated">Clin. chem. : (Baltim. Md.)</title>
<idno type="ISSN">0009-9147</idno>
<imprint>
<date when="2004">2004</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt>
<title level="j" type="main">Clinical chemistry : (Baltimore, Md.)</title>
<title level="j" type="abbreviated">Clin. chem. : (Baltim. Md.)</title>
<idno type="ISSN">0009-9147</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>Amino Acid Sequence</term>
<term>Animals</term>
<term>Biochemistry</term>
<term>Clinical biology</term>
<term>Coronavirus</term>
<term>Development</term>
<term>Enzyme-Linked Immunosorbent Assay</term>
<term>Glycoprotein</term>
<term>Haplorhini</term>
<term>Immunoprophylaxis</term>
<term>Membrane Glycoproteins (chemistry)</term>
<term>Membrane Glycoproteins (immunology)</term>
<term>Microscopy, Confocal</term>
<term>Microscopy, Fluorescence</term>
<term>Molecular Sequence Data</term>
<term>Molecular biology</term>
<term>Peptides</term>
<term>Peptides (chemical synthesis)</term>
<term>Peptides (chemistry)</term>
<term>Peptides (immunology)</term>
<term>Prevention</term>
<term>Rabbits</term>
<term>SARS Virus (immunology)</term>
<term>Severe acute respiratory syndrome</term>
<term>Spike Glycoprotein, Coronavirus</term>
<term>Synthetic product</term>
<term>Vaccination</term>
<term>Vaccine</term>
<term>Viral Envelope Proteins (chemistry)</term>
<term>Viral Envelope Proteins (immunology)</term>
<term>Viral Vaccines (immunology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>Animaux</term>
<term>Données de séquences moléculaires</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Glycoprotéines membranaires ()</term>
<term>Glycoprotéines membranaires (immunologie)</term>
<term>Haplorhini</term>
<term>Lapins</term>
<term>Microscopie confocale</term>
<term>Microscopie de fluorescence</term>
<term>Peptides ()</term>
<term>Peptides (immunologie)</term>
<term>Peptides (synthèse chimique)</term>
<term>Protéines de l'enveloppe virale ()</term>
<term>Protéines de l'enveloppe virale (immunologie)</term>
<term>Séquence d'acides aminés</term>
<term>Test ELISA</term>
<term>Vaccination</term>
<term>Vaccins antiviraux (immunologie)</term>
<term>Virus du SRAS (immunologie)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemical synthesis" xml:lang="en">
<term>Peptides</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en">
<term>Membrane Glycoproteins</term>
<term>Peptides</term>
<term>Viral Envelope Proteins</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en">
<term>Membrane Glycoproteins</term>
<term>Peptides</term>
<term>Viral Envelope Proteins</term>
<term>Viral Vaccines</term>
</keywords>
<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr">
<term>Glycoprotéines membranaires</term>
<term>Peptides</term>
<term>Protéines de l'enveloppe virale</term>
<term>Vaccins antiviraux</term>
<term>Virus du SRAS</term>
</keywords>
<keywords scheme="MESH" qualifier="immunology" xml:lang="en">
<term>SARS Virus</term>
</keywords>
<keywords scheme="MESH" qualifier="synthèse chimique" xml:lang="fr">
<term>Peptides</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Amino Acid Sequence</term>
<term>Animals</term>
<term>Enzyme-Linked Immunosorbent Assay</term>
<term>Haplorhini</term>
<term>Microscopy, Confocal</term>
<term>Microscopy, Fluorescence</term>
<term>Molecular Sequence Data</term>
<term>Rabbits</term>
<term>Spike Glycoprotein, Coronavirus</term>
<term>Vaccination</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Animaux</term>
<term>Données de séquences moléculaires</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Glycoprotéines membranaires</term>
<term>Haplorhini</term>
<term>Lapins</term>
<term>Microscopie confocale</term>
<term>Microscopie de fluorescence</term>
<term>Peptides</term>
<term>Produit synthétique</term>
<term>Peptide</term>
<term>Protéines de l'enveloppe virale</term>
<term>Syndrome respiratoire aigu sévère</term>
<term>Coronavirus</term>
<term>Glycoprotéine</term>
<term>Séquence d'acides aminés</term>
<term>Test ELISA</term>
<term>Vaccin</term>
<term>Immunoprophylaxie</term>
<term>Prévention</term>
<term>Développement</term>
<term>Biochimie</term>
<term>Biologie clinique</term>
<term>Biologie moléculaire</term>
<term>Vaccination</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Vaccin</term>
<term>Biochimie</term>
</keywords>
</textClass>
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</teiHeader>
<front>
<div type="abstract" xml:lang="en">Background: The S (spike) protein of the etiologic coronavirus (CoV) agent of severe acute respiratory syndrome (SARS) plays a central role in mediating viral infection via receptor binding and membrane fusion between the virion and the host cell. We focused on using synthetic peptides for developing antibodies against SARS-CoV, which aimed to block viral invasion by eliciting an immune response specific to the native SARS-CoV S protein. Methods: Six peptide sequences corresponding to the surface regions of SARS-CoV S protein were designed and investigated by use of combined bioinformatics and structural analysis. These synthetic peptides were used to immunize both rabbits and monkeys. Antisera collected 1 week after the second immunization were analyzed by ELISA and tested for antibody specificity against SARS-CoV by immunofluorescent confocal microscopy. Results: Four of our six synthetic peptides (S2, S3, S5, and S6) elicited SARS-CoV-specific antibodies, of which S5 (residues 788-820) and S6 (residues 1002-1030) exhibited immunogenic responses similar to those found in a parallel investigation using truncated recombinant protein analogs of the SARS-CoV S protein. This suggested that our S5 and S6 peptides may represent two minimum biologically active sequences of the immunogenic regions of the SARS-CoV S protein. Conclusions: Synthetic peptides can elicit specific antibodies to SARS-CoV. The study provides insights for the future development of SARS vaccine via the synthetic-peptide-based approach.</div>
</front>
</TEI>
<double idat="0009-9147:2004:Choy W:synthetic:peptide:studies">
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<titleStmt>
<title xml:lang="en" level="a">Synthetic peptide studies on the severe acute respiratory syndrome (SARS) coronavirus spike glycoprotein: Perspective for SARS vaccine development</title>
<author>
<name sortKey="Choy, Wai Yan" sort="Choy, Wai Yan" uniqKey="Choy W" first="Wai-Yan" last="Choy">Wai-Yan Choy</name>
<affiliation wicri:level="4">
<inist:fA14 i1="01">
<s1>Molecular Biotechnology Program, Department of Biology and Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>1 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Lin, Shu Guang" sort="Lin, Shu Guang" uniqKey="Lin S" first="Shu-Guang" last="Lin">Shu-Guang Lin</name>
<affiliation wicri:level="1">
<inist:fA14 i1="02">
<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
<s2>Guangdong</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>16 aut.</sZ>
</inist:fA14>
<country>République populaire de Chine</country>
<wicri:noRegion>Guangdong</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Chan, Paul Kay Sheung" sort="Chan, Paul Kay Sheung" uniqKey="Chan P" first="Paul Kay-Sheung" last="Chan">Paul Kay-Sheung Chan</name>
<affiliation wicri:level="4">
<inist:fA14 i1="03">
<s1>Department of Microbiology, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Tam, John Siu Lun" sort="Tam, John Siu Lun" uniqKey="Tam J" first="John Siu-Lun" last="Tam">John Siu-Lun Tam</name>
<affiliation wicri:level="4">
<inist:fA14 i1="03">
<s1>Department of Microbiology, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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</inist:fA14>
<country>Hong Kong</country>
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<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Lo, Y M Dennis" sort="Lo, Y M Dennis" uniqKey="Lo Y" first="Y. M. Dennis" last="Lo">Y. M. Dennis Lo</name>
<affiliation wicri:level="4">
<inist:fA14 i1="04">
<s1>Department of Chemical Pathology, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>5 aut.</sZ>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
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</author>
<author>
<name sortKey="Chu, Ida Miu Ting" sort="Chu, Ida Miu Ting" uniqKey="Chu I" first="Ida Miu-Ting" last="Chu">Ida Miu-Ting Chu</name>
<affiliation wicri:level="4">
<inist:fA14 i1="03">
<s1>Department of Microbiology, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Tsai, Sau Na" sort="Tsai, Sau Na" uniqKey="Tsai S" first="Sau-Na" last="Tsai">Sau-Na Tsai</name>
<affiliation wicri:level="4">
<inist:fA14 i1="05">
<s1>Department of Biology, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>7 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Zhong, Ming Qi" sort="Zhong, Ming Qi" uniqKey="Zhong M" first="Ming-Qi" last="Zhong">Ming-Qi Zhong</name>
<affiliation wicri:level="4">
<inist:fA14 i1="01">
<s1>Molecular Biotechnology Program, Department of Biology and Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>1 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Fung, Kwok Pui" sort="Fung, Kwok Pui" uniqKey="Fung K" first="Kwok-Pui" last="Fung">Kwok-Pui Fung</name>
<affiliation wicri:level="4">
<inist:fA14 i1="06">
<s1>Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Waye, Mary Miu Yee" sort="Waye, Mary Miu Yee" uniqKey="Waye M" first="Mary Miu-Yee" last="Waye">Mary Miu-Yee Waye</name>
<affiliation wicri:level="4">
<inist:fA14 i1="06">
<s1>Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Tsui, Stephen Kwok Wing" sort="Tsui, Stephen Kwok Wing" uniqKey="Tsui S" first="Stephen Kwok-Wing" last="Tsui">Stephen Kwok-Wing Tsui</name>
<affiliation wicri:level="4">
<inist:fA14 i1="06">
<s1>Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Ng, Kai On" sort="Ng, Kai On" uniqKey="Ng K" first="Kai-On" last="Ng">Kai-On Ng</name>
<affiliation wicri:level="4">
<inist:fA14 i1="04">
<s1>Department of Chemical Pathology, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>5 aut.</sZ>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
</author>
<author>
<name sortKey="Shan, Zhi Xin" sort="Shan, Zhi Xin" uniqKey="Shan Z" first="Zhi-Xin" last="Shan">Zhi-Xin Shan</name>
<affiliation wicri:level="1">
<inist:fA14 i1="02">
<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
<s2>Guangdong</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>16 aut.</sZ>
</inist:fA14>
<country>République populaire de Chine</country>
<wicri:noRegion>Guangdong</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Min Yang" sort="Min Yang" uniqKey="Min Yang" last="Min Yang">MIN YANG</name>
<affiliation wicri:level="1">
<inist:fA14 i1="02">
<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
<s2>Guangdong</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>16 aut.</sZ>
</inist:fA14>
<country>République populaire de Chine</country>
<wicri:noRegion>Guangdong</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Wu, Yi Long" sort="Wu, Yi Long" uniqKey="Wu Y" first="Yi-Long" last="Wu">Yi-Long Wu</name>
<affiliation wicri:level="1">
<inist:fA14 i1="02">
<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
<s2>Guangdong</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
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<name sortKey="Chu, Ida Miu Ting" sort="Chu, Ida Miu Ting" uniqKey="Chu I" first="Ida Miu-Ting" last="Chu">Ida Miu-Ting Chu</name>
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<name sortKey="Tsai, Sau Na" sort="Tsai, Sau Na" uniqKey="Tsai S" first="Sau-Na" last="Tsai">Sau-Na Tsai</name>
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<name sortKey="Zhong, Ming Qi" sort="Zhong, Ming Qi" uniqKey="Zhong M" first="Ming-Qi" last="Zhong">Ming-Qi Zhong</name>
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<author>
<name sortKey="Fung, Kwok Pui" sort="Fung, Kwok Pui" uniqKey="Fung K" first="Kwok-Pui" last="Fung">Kwok-Pui Fung</name>
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<s1>Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
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<settlement type="city">Sha Tin</settlement>
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<author>
<name sortKey="Waye, Mary Miu Yee" sort="Waye, Mary Miu Yee" uniqKey="Waye M" first="Mary Miu-Yee" last="Waye">Mary Miu-Yee Waye</name>
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<s1>Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
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<settlement type="city">Sha Tin</settlement>
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<author>
<name sortKey="Tsui, Stephen Kwok Wing" sort="Tsui, Stephen Kwok Wing" uniqKey="Tsui S" first="Stephen Kwok-Wing" last="Tsui">Stephen Kwok-Wing Tsui</name>
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<s1>Department of Biochemistry, The Chinese University of Hong Kong</s1>
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<sZ>12 aut.</sZ>
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<settlement type="city">Sha Tin</settlement>
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<name sortKey="Shan, Zhi Xin" sort="Shan, Zhi Xin" uniqKey="Shan Z" first="Zhi-Xin" last="Shan">Zhi-Xin Shan</name>
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<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
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<author>
<name sortKey="Min Yang" sort="Min Yang" uniqKey="Min Yang" last="Min Yang">MIN YANG</name>
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<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
<s2>Guangdong</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>14 aut.</sZ>
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<wicri:noRegion>Guangdong</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Wu, Yi Long" sort="Wu, Yi Long" uniqKey="Wu Y" first="Yi-Long" last="Wu">Yi-Long Wu</name>
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<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
<s2>Guangdong</s2>
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<sZ>2 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
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<country>République populaire de Chine</country>
<wicri:noRegion>Guangdong</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Lin, Zhan Yi" sort="Lin, Zhan Yi" uniqKey="Lin Z" first="Zhan-Yi" last="Lin">Zhan-Yi Lin</name>
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<s1>Research Center of Medical Sciences, Guangdong Provincial People's Hospital</s1>
<s2>Guangdong</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
<sZ>13 aut.</sZ>
<sZ>14 aut.</sZ>
<sZ>15 aut.</sZ>
<sZ>16 aut.</sZ>
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<country>République populaire de Chine</country>
<wicri:noRegion>Guangdong</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Ngai, Sai Ming" sort="Ngai, Sai Ming" uniqKey="Ngai S" first="Sai-Ming" last="Ngai">Sai-Ming Ngai</name>
<affiliation wicri:level="4">
<inist:fA14 i1="01">
<s1>Molecular Biotechnology Program, Department of Biology and Department of Biochemistry, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>1 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
<affiliation wicri:level="4">
<inist:fA14 i1="05">
<s1>Department of Biology, The Chinese University of Hong Kong</s1>
<s2>Shatin</s2>
<s3>HKG</s3>
<sZ>7 aut.</sZ>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Hong Kong</country>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
<orgName type="university">Université chinoise de Hong Kong</orgName>
</affiliation>
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<series>
<title level="j" type="main">Clinical chemistry : (Baltimore, Md.)</title>
<title level="j" type="abbreviated">Clin. chem. : (Baltim. Md.)</title>
<idno type="ISSN">0009-9147</idno>
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<date when="2004">2004</date>
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<title level="j" type="main">Clinical chemistry : (Baltimore, Md.)</title>
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<idno type="ISSN">0009-9147</idno>
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<keywords scheme="KwdEn" xml:lang="en">
<term>Biochemistry</term>
<term>Clinical biology</term>
<term>Coronavirus</term>
<term>Development</term>
<term>Glycoprotein</term>
<term>Immunoprophylaxis</term>
<term>Molecular biology</term>
<term>Peptides</term>
<term>Prevention</term>
<term>Severe acute respiratory syndrome</term>
<term>Synthetic product</term>
<term>Vaccine</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Produit synthétique</term>
<term>Peptide</term>
<term>Syndrome respiratoire aigu sévère</term>
<term>Coronavirus</term>
<term>Glycoprotéine</term>
<term>Vaccin</term>
<term>Immunoprophylaxie</term>
<term>Prévention</term>
<term>Développement</term>
<term>Biochimie</term>
<term>Biologie clinique</term>
<term>Biologie moléculaire</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Vaccin</term>
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<front>
<div type="abstract" xml:lang="en">Background: The S (spike) protein of the etiologic coronavirus (CoV) agent of severe acute respiratory syndrome (SARS) plays a central role in mediating viral infection via receptor binding and membrane fusion between the virion and the host cell. We focused on using synthetic peptides for developing antibodies against SARS-CoV, which aimed to block viral invasion by eliciting an immune response specific to the native SARS-CoV S protein. Methods: Six peptide sequences corresponding to the surface regions of SARS-CoV S protein were designed and investigated by use of combined bioinformatics and structural analysis. These synthetic peptides were used to immunize both rabbits and monkeys. Antisera collected 1 week after the second immunization were analyzed by ELISA and tested for antibody specificity against SARS-CoV by immunofluorescent confocal microscopy. Results: Four of our six synthetic peptides (S2, S3, S5, and S6) elicited SARS-CoV-specific antibodies, of which S5 (residues 788-820) and S6 (residues 1002-1030) exhibited immunogenic responses similar to those found in a parallel investigation using truncated recombinant protein analogs of the SARS-CoV S protein. This suggested that our S5 and S6 peptides may represent two minimum biologically active sequences of the immunogenic regions of the SARS-CoV S protein. Conclusions: Synthetic peptides can elicit specific antibodies to SARS-CoV. The study provides insights for the future development of SARS vaccine via the synthetic-peptide-based approach.</div>
</front>
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<name sortKey="Choy, Wai Yan" sort="Choy, Wai Yan" uniqKey="Choy W" first="Wai-Yan" last="Choy">Wai-Yan Choy</name>
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<nlm:affiliation>Molecular Biotechnology Program, Department of Biology, The Chinese University of Hong Kong, Shatin, Hong Kong, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Molecular Biotechnology Program, Department of Biology, The Chinese University of Hong Kong, Shatin, Hong Kong</wicri:regionArea>
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<settlement type="city">Sha Tin</settlement>
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<name sortKey="Lin, Shu Guang" sort="Lin, Shu Guang" uniqKey="Lin S" first="Shu-Guang" last="Lin">Shu-Guang Lin</name>
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<name sortKey="Chan, Paul Kay Sheung" sort="Chan, Paul Kay Sheung" uniqKey="Chan P" first="Paul Kay-Sheung" last="Chan">Paul Kay-Sheung Chan</name>
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<name sortKey="Tam, John Siu Lun" sort="Tam, John Siu Lun" uniqKey="Tam J" first="John Siu-Lun" last="Tam">John Siu-Lun Tam</name>
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<name sortKey="Lo, Y M Dennis" sort="Lo, Y M Dennis" uniqKey="Lo Y" first="Y M Dennis" last="Lo">Y M Dennis Lo</name>
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<name sortKey="Chu, Ida Miu Ting" sort="Chu, Ida Miu Ting" uniqKey="Chu I" first="Ida Miu-Ting" last="Chu">Ida Miu-Ting Chu</name>
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<name sortKey="Tsai, Sau Na" sort="Tsai, Sau Na" uniqKey="Tsai S" first="Sau-Na" last="Tsai">Sau-Na Tsai</name>
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<name sortKey="Zhong, Ming Qi" sort="Zhong, Ming Qi" uniqKey="Zhong M" first="Ming-Qi" last="Zhong">Ming-Qi Zhong</name>
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<name sortKey="Fung, Kwok Pui" sort="Fung, Kwok Pui" uniqKey="Fung K" first="Kwok-Pui" last="Fung">Kwok-Pui Fung</name>
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<name sortKey="Waye, Mary Miu Yee" sort="Waye, Mary Miu Yee" uniqKey="Waye M" first="Mary Miu-Yee" last="Waye">Mary Miu-Yee Waye</name>
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<name sortKey="Tsui, Stephen Kwok Wing" sort="Tsui, Stephen Kwok Wing" uniqKey="Tsui S" first="Stephen Kwok-Wing" last="Tsui">Stephen Kwok-Wing Tsui</name>
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<name sortKey="Ng, Kai On" sort="Ng, Kai On" uniqKey="Ng K" first="Kai-On" last="Ng">Kai-On Ng</name>
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<name sortKey="Shan, Zhi Xin" sort="Shan, Zhi Xin" uniqKey="Shan Z" first="Zhi-Xin" last="Shan">Zhi-Xin Shan</name>
</author>
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<name sortKey="Yang, Min" sort="Yang, Min" uniqKey="Yang M" first="Min" last="Yang">Min Yang</name>
</author>
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<name sortKey="Wu, Yi Long" sort="Wu, Yi Long" uniqKey="Wu Y" first="Yi-Long" last="Wu">Yi-Long Wu</name>
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<name sortKey="Lin, Zhan Yi" sort="Lin, Zhan Yi" uniqKey="Lin Z" first="Zhan-Yi" last="Lin">Zhan-Yi Lin</name>
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<name sortKey="Ngai, Sai Ming" sort="Ngai, Sai Ming" uniqKey="Ngai S" first="Sai-Ming" last="Ngai">Sai-Ming Ngai</name>
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<idno type="wicri:doubleKey">0009-9147:2004:Choy W:synthetic:peptide:studies</idno>
<idno type="wicri:Area/Main/Merge">005406</idno>
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<analytic>
<title xml:lang="en">Synthetic peptide studies on the severe acute respiratory syndrome (SARS) coronavirus spike glycoprotein: perspective for SARS vaccine development.</title>
<author>
<name sortKey="Choy, Wai Yan" sort="Choy, Wai Yan" uniqKey="Choy W" first="Wai-Yan" last="Choy">Wai-Yan Choy</name>
<affiliation wicri:level="4">
<nlm:affiliation>Molecular Biotechnology Program, Department of Biology, The Chinese University of Hong Kong, Shatin, Hong Kong, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>Molecular Biotechnology Program, Department of Biology, The Chinese University of Hong Kong, Shatin, Hong Kong</wicri:regionArea>
<orgName type="university">Université chinoise de Hong Kong</orgName>
<placeName>
<settlement type="city">Sha Tin</settlement>
</placeName>
</affiliation>
</author>
<author>
<name sortKey="Lin, Shu Guang" sort="Lin, Shu Guang" uniqKey="Lin S" first="Shu-Guang" last="Lin">Shu-Guang Lin</name>
</author>
<author>
<name sortKey="Chan, Paul Kay Sheung" sort="Chan, Paul Kay Sheung" uniqKey="Chan P" first="Paul Kay-Sheung" last="Chan">Paul Kay-Sheung Chan</name>
</author>
<author>
<name sortKey="Tam, John Siu Lun" sort="Tam, John Siu Lun" uniqKey="Tam J" first="John Siu-Lun" last="Tam">John Siu-Lun Tam</name>
</author>
<author>
<name sortKey="Lo, Y M Dennis" sort="Lo, Y M Dennis" uniqKey="Lo Y" first="Y M Dennis" last="Lo">Y M Dennis Lo</name>
</author>
<author>
<name sortKey="Chu, Ida Miu Ting" sort="Chu, Ida Miu Ting" uniqKey="Chu I" first="Ida Miu-Ting" last="Chu">Ida Miu-Ting Chu</name>
</author>
<author>
<name sortKey="Tsai, Sau Na" sort="Tsai, Sau Na" uniqKey="Tsai S" first="Sau-Na" last="Tsai">Sau-Na Tsai</name>
</author>
<author>
<name sortKey="Zhong, Ming Qi" sort="Zhong, Ming Qi" uniqKey="Zhong M" first="Ming-Qi" last="Zhong">Ming-Qi Zhong</name>
</author>
<author>
<name sortKey="Fung, Kwok Pui" sort="Fung, Kwok Pui" uniqKey="Fung K" first="Kwok-Pui" last="Fung">Kwok-Pui Fung</name>
</author>
<author>
<name sortKey="Waye, Mary Miu Yee" sort="Waye, Mary Miu Yee" uniqKey="Waye M" first="Mary Miu-Yee" last="Waye">Mary Miu-Yee Waye</name>
</author>
<author>
<name sortKey="Tsui, Stephen Kwok Wing" sort="Tsui, Stephen Kwok Wing" uniqKey="Tsui S" first="Stephen Kwok-Wing" last="Tsui">Stephen Kwok-Wing Tsui</name>
</author>
<author>
<name sortKey="Ng, Kai On" sort="Ng, Kai On" uniqKey="Ng K" first="Kai-On" last="Ng">Kai-On Ng</name>
</author>
<author>
<name sortKey="Shan, Zhi Xin" sort="Shan, Zhi Xin" uniqKey="Shan Z" first="Zhi-Xin" last="Shan">Zhi-Xin Shan</name>
</author>
<author>
<name sortKey="Yang, Min" sort="Yang, Min" uniqKey="Yang M" first="Min" last="Yang">Min Yang</name>
</author>
<author>
<name sortKey="Wu, Yi Long" sort="Wu, Yi Long" uniqKey="Wu Y" first="Yi-Long" last="Wu">Yi-Long Wu</name>
</author>
<author>
<name sortKey="Lin, Zhan Yi" sort="Lin, Zhan Yi" uniqKey="Lin Z" first="Zhan-Yi" last="Lin">Zhan-Yi Lin</name>
</author>
<author>
<name sortKey="Ngai, Sai Ming" sort="Ngai, Sai Ming" uniqKey="Ngai S" first="Sai-Ming" last="Ngai">Sai-Ming Ngai</name>
</author>
</analytic>
<series>
<title level="j">Clinical chemistry</title>
<idno type="ISSN">0009-9147</idno>
<imprint>
<date when="2004" type="published">2004</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>Amino Acid Sequence</term>
<term>Animals</term>
<term>Enzyme-Linked Immunosorbent Assay</term>
<term>Haplorhini</term>
<term>Membrane Glycoproteins (chemistry)</term>
<term>Membrane Glycoproteins (immunology)</term>
<term>Microscopy, Confocal</term>
<term>Microscopy, Fluorescence</term>
<term>Molecular Sequence Data</term>
<term>Peptides (chemical synthesis)</term>
<term>Peptides (chemistry)</term>
<term>Peptides (immunology)</term>
<term>Rabbits</term>
<term>SARS Virus (immunology)</term>
<term>Spike Glycoprotein, Coronavirus</term>
<term>Vaccination</term>
<term>Viral Envelope Proteins (chemistry)</term>
<term>Viral Envelope Proteins (immunology)</term>
<term>Viral Vaccines (immunology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>Animaux</term>
<term>Données de séquences moléculaires</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Glycoprotéines membranaires ()</term>
<term>Glycoprotéines membranaires (immunologie)</term>
<term>Haplorhini</term>
<term>Lapins</term>
<term>Microscopie confocale</term>
<term>Microscopie de fluorescence</term>
<term>Peptides ()</term>
<term>Peptides (immunologie)</term>
<term>Peptides (synthèse chimique)</term>
<term>Protéines de l'enveloppe virale ()</term>
<term>Protéines de l'enveloppe virale (immunologie)</term>
<term>Séquence d'acides aminés</term>
<term>Test ELISA</term>
<term>Vaccination</term>
<term>Vaccins antiviraux (immunologie)</term>
<term>Virus du SRAS (immunologie)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemical synthesis" xml:lang="en">
<term>Peptides</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en">
<term>Membrane Glycoproteins</term>
<term>Peptides</term>
<term>Viral Envelope Proteins</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en">
<term>Membrane Glycoproteins</term>
<term>Peptides</term>
<term>Viral Envelope Proteins</term>
<term>Viral Vaccines</term>
</keywords>
<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr">
<term>Glycoprotéines membranaires</term>
<term>Peptides</term>
<term>Protéines de l'enveloppe virale</term>
<term>Vaccins antiviraux</term>
<term>Virus du SRAS</term>
</keywords>
<keywords scheme="MESH" qualifier="immunology" xml:lang="en">
<term>SARS Virus</term>
</keywords>
<keywords scheme="MESH" qualifier="synthèse chimique" xml:lang="fr">
<term>Peptides</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Amino Acid Sequence</term>
<term>Animals</term>
<term>Enzyme-Linked Immunosorbent Assay</term>
<term>Haplorhini</term>
<term>Microscopy, Confocal</term>
<term>Microscopy, Fluorescence</term>
<term>Molecular Sequence Data</term>
<term>Rabbits</term>
<term>Spike Glycoprotein, Coronavirus</term>
<term>Vaccination</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr">
<term>Animaux</term>
<term>Données de séquences moléculaires</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Glycoprotéines membranaires</term>
<term>Haplorhini</term>
<term>Lapins</term>
<term>Microscopie confocale</term>
<term>Microscopie de fluorescence</term>
<term>Peptides</term>
<term>Protéines de l'enveloppe virale</term>
<term>Séquence d'acides aminés</term>
<term>Test ELISA</term>
<term>Vaccination</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">The S (spike) protein of the etiologic coronavirus (CoV) agent of severe acute respiratory syndrome (SARS) plays a central role in mediating viral infection via receptor binding and membrane fusion between the virion and the host cell. We focused on using synthetic peptides for developing antibodies against SARS-CoV, which aimed to block viral invasion by eliciting an immune response specific to the native SARS-CoV S protein.</div>
</front>
</TEI>
</PubMed>
</double>
</record>

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