Contributions of the structural proteins of severe acute respiratory syndrome coronavirus to protective immunity.
Identifieur interne : 005409 ( Main/Exploration ); précédent : 005408; suivant : 005410Contributions of the structural proteins of severe acute respiratory syndrome coronavirus to protective immunity.
Auteurs : Ursula J. Buchholz [États-Unis] ; Alexander Bukreyev ; Lijuan Yang ; Elaine W. Lamirande ; Brian R. Murphy ; Kanta Subbarao ; Peter L. CollinsSource :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2004.
Descripteurs français
- KwdFr :
- ADN recombiné (génétique), Administration par voie nasale, Animaux, Anticorps antiviraux (immunologie), Appareil respiratoire (immunologie), Appareil respiratoire (virologie), Cellules Vero, Cricetinae, Glycoprotéine de spicule des coronavirus, Glycoprotéines membranaires (génétique), Glycoprotéines membranaires (immunologie), Lignée cellulaire, Protéines de l'enveloppe virale (génétique), Protéines de l'enveloppe virale (immunologie), Protéines de la matrice virale (génétique), Protéines de la matrice virale (immunologie), Réplication virale (physiologie), Syndrome respiratoire aigu sévère (), Syndrome respiratoire aigu sévère (immunologie), Syndrome respiratoire aigu sévère (virologie), Tests de neutralisation, Vaccination, Vaccins antiviraux (administration et posologie), Vaccins antiviraux (génétique), Vaccins antiviraux (immunologie), Vecteurs génétiques (génétique), Virus du SRAS (), Virus du SRAS (croissance et développement), Virus du SRAS (génétique), Virus du SRAS (immunologie), Virus parainfluenza humain de type 3 (génétique).
- MESH :
- administration et posologie : Vaccins antiviraux.
- croissance et développement : Virus du SRAS.
- génétique : ADN recombiné, Glycoprotéines membranaires, Protéines de l'enveloppe virale, Protéines de la matrice virale, Vaccins antiviraux, Vecteurs génétiques, Virus du SRAS, Virus parainfluenza humain de type 3.
- immunologie : Anticorps antiviraux, Appareil respiratoire, Glycoprotéines membranaires, Protéines de l'enveloppe virale, Protéines de la matrice virale, Syndrome respiratoire aigu sévère, Vaccins antiviraux, Virus du SRAS.
- physiologie : Réplication virale.
- virologie : Appareil respiratoire, Syndrome respiratoire aigu sévère.
- Administration par voie nasale, Animaux, Cellules Vero, Cricetinae, Glycoprotéine de spicule des coronavirus, Lignée cellulaire, Syndrome respiratoire aigu sévère, Tests de neutralisation, Vaccination, Virus du SRAS.
English descriptors
- KwdEn :
- Administration, Intranasal, Animals, Antibodies, Viral (immunology), Cell Line, Chlorocebus aethiops, Cricetinae, DNA, Recombinant (genetics), Genetic Vectors (genetics), Membrane Glycoproteins (genetics), Membrane Glycoproteins (immunology), Neutralization Tests, Parainfluenza Virus 3, Human (genetics), Respiratory System (immunology), Respiratory System (virology), SARS Virus (chemistry), SARS Virus (genetics), SARS Virus (growth & development), SARS Virus (immunology), Severe Acute Respiratory Syndrome (immunology), Severe Acute Respiratory Syndrome (prevention & control), Severe Acute Respiratory Syndrome (virology), Spike Glycoprotein, Coronavirus, Vaccination, Vero Cells, Viral Envelope Proteins (genetics), Viral Envelope Proteins (immunology), Viral Matrix Proteins (genetics), Viral Matrix Proteins (immunology), Viral Vaccines (administration & dosage), Viral Vaccines (genetics), Viral Vaccines (immunology), Virus Replication (physiology).
- MESH :
- chemical , administration & dosage : Viral Vaccines.
- chemical , genetics : DNA, Recombinant, Membrane Glycoproteins, Viral Envelope Proteins, Viral Matrix Proteins, Viral Vaccines.
- chemical , immunology : Antibodies, Viral, Membrane Glycoproteins, Viral Envelope Proteins, Viral Matrix Proteins, Viral Vaccines.
- chemistry : SARS Virus.
- genetics : Genetic Vectors, Parainfluenza Virus 3, Human, SARS Virus.
- growth & development : SARS Virus.
- immunology : Respiratory System, SARS Virus, Severe Acute Respiratory Syndrome.
- physiology : Virus Replication.
- prevention & control : Severe Acute Respiratory Syndrome.
- virology : Respiratory System, Severe Acute Respiratory Syndrome.
- Administration, Intranasal, Animals, Cell Line, Chlorocebus aethiops, Cricetinae, Neutralization Tests, Spike Glycoprotein, Coronavirus, Vaccination, Vero Cells.
Abstract
We investigated the contributions of the structural proteins of severe acute respiratory syndrome (SARS) coronavirus (CoV) to protective immunity by expressing them individually and in combinations from a recombinant parainfluenza virus (PIV) type 3 vector called BHPIV3. This vector provided direct immunization of the respiratory tract, the major site of SARS transmission, replication, and disease. The BHPIV3/SARS recombinants were evaluated for immunogenicity and protective efficacy in hamsters, which support a high level of pulmonary SARS-CoV replication. A single intranasal administration of BHPIV3 expressing the SARS-CoV spike protein (S) induced a high titer of SARS-CoV-neutralizing serum antibodies, only 2-fold less than that induced by SARS-CoV infection. The expression of S with the two other putative virion envelope proteins, the matrix M and small envelope E proteins, did not augment the neutralizing antibody response. In absence of S, expression of M and E or the nucleocapsid protein N did not induce a detectable serum SARS-CoV-neutralizing antibody response. Immunization with BHPIV3 expressing S provided complete protection against SARS-CoV challenge in the lower respiratory tract and partial protection in the upper respiratory tract. This was augmented slightly by coexpression with M and E. Expression of M, E, or N in the absence of S did not confer detectable protection. These results identify S among the structural proteins as the only significant SARS-CoV neutralization antigen and protective antigen and show that a single mucosal immunization is highly protective in an experimental animal that supports efficient replication of SARS-CoV.
DOI: 10.1073/pnas.0403492101
PubMed: 15210961
Affiliations:
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Buchholz</name><affiliation wicri:level="2"><nlm:affiliation>Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-8007, USA. ubuchholz@niaid.nih.gov</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-8007</wicri:regionArea><placeName><region type="state">Maryland</region></placeName></affiliation></author><author><name sortKey="Bukreyev, Alexander" sort="Bukreyev, Alexander" uniqKey="Bukreyev A" first="Alexander" last="Bukreyev">Alexander Bukreyev</name></author><author><name sortKey="Yang, Lijuan" sort="Yang, Lijuan" uniqKey="Yang L" first="Lijuan" last="Yang">Lijuan Yang</name></author><author><name sortKey="Lamirande, Elaine W" sort="Lamirande, Elaine W" uniqKey="Lamirande E" first="Elaine W" last="Lamirande">Elaine W. 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xml:lang="en"><term>Administration, Intranasal</term><term>Animals</term><term>Cell Line</term><term>Chlorocebus aethiops</term><term>Cricetinae</term><term>Neutralization Tests</term><term>Spike Glycoprotein, Coronavirus</term><term>Vaccination</term><term>Vero Cells</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Administration par voie nasale</term><term>Animaux</term><term>Cellules Vero</term><term>Cricetinae</term><term>Glycoprotéine de spicule des coronavirus</term><term>Lignée cellulaire</term><term>Syndrome respiratoire aigu sévère</term><term>Tests de neutralisation</term><term>Vaccination</term><term>Virus du SRAS</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated the contributions of the structural proteins of severe acute respiratory syndrome (SARS) coronavirus (CoV) to protective immunity by expressing them individually and in combinations from a recombinant parainfluenza virus (PIV) type 3 vector called BHPIV3. This vector provided direct immunization of the respiratory tract, the major site of SARS transmission, replication, and disease. The BHPIV3/SARS recombinants were evaluated for immunogenicity and protective efficacy in hamsters, which support a high level of pulmonary SARS-CoV replication. A single intranasal administration of BHPIV3 expressing the SARS-CoV spike protein (S) induced a high titer of SARS-CoV-neutralizing serum antibodies, only 2-fold less than that induced by SARS-CoV infection. The expression of S with the two other putative virion envelope proteins, the matrix M and small envelope E proteins, did not augment the neutralizing antibody response. In absence of S, expression of M and E or the nucleocapsid protein N did not induce a detectable serum SARS-CoV-neutralizing antibody response. Immunization with BHPIV3 expressing S provided complete protection against SARS-CoV challenge in the lower respiratory tract and partial protection in the upper respiratory tract. This was augmented slightly by coexpression with M and E. Expression of M, E, or N in the absence of S did not confer detectable protection. These results identify S among the structural proteins as the only significant SARS-CoV neutralization antigen and protective antigen and show that a single mucosal immunization is highly protective in an experimental animal that supports efficient replication of SARS-CoV.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Maryland</li></region></list><tree><noCountry><name sortKey="Bukreyev, Alexander" sort="Bukreyev, Alexander" uniqKey="Bukreyev A" first="Alexander" last="Bukreyev">Alexander Bukreyev</name><name sortKey="Collins, Peter L" sort="Collins, Peter L" uniqKey="Collins P" first="Peter L" last="Collins">Peter L. Collins</name><name sortKey="Lamirande, Elaine W" sort="Lamirande, Elaine W" uniqKey="Lamirande E" first="Elaine W" last="Lamirande">Elaine W. Lamirande</name><name sortKey="Murphy, Brian R" sort="Murphy, Brian R" uniqKey="Murphy B" first="Brian R" last="Murphy">Brian R. Murphy</name><name sortKey="Subbarao, Kanta" sort="Subbarao, Kanta" uniqKey="Subbarao K" first="Kanta" last="Subbarao">Kanta Subbarao</name><name sortKey="Yang, Lijuan" sort="Yang, Lijuan" uniqKey="Yang L" first="Lijuan" last="Yang">Lijuan Yang</name></noCountry><country name="États-Unis"><region name="Maryland"><name sortKey="Buchholz, Ursula J" sort="Buchholz, Ursula J" uniqKey="Buchholz U" first="Ursula J" last="Buchholz">Ursula J. Buchholz</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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