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Induction of neutralising antibodies and cellular immune responses against SARS coronavirus by recombinant measles viruses

Identifieur interne : 003494 ( Main/Exploration ); précédent : 003493; suivant : 003495

Induction of neutralising antibodies and cellular immune responses against SARS coronavirus by recombinant measles viruses

Auteurs : Matthias Liniger [Suisse] ; Armando Zuniga [Suisse] ; Azaibi Tamin [États-Unis] ; Teldja N. Azzouz-Morin [Suisse] ; Marlyse Knuchel [Suisse] ; Rene R. Marty [Suisse] ; Marian Wiegand [Suisse] ; Sara Weibel [Suisse] ; David Kelvin [Canada] ; Paul A. Rota [États-Unis] ; Hussein Y. Naim [Suisse]

Source :

RBID : Pascal:08-0220446

Descripteurs français

English descriptors

Abstract

Live attenuated recombinant measles viruses (rMV) expressing a codon-optimised spike glycoprotein (S) or nucleocapsid protein (N) of severe acute respiratory syndrome-associated coronavirus (SARS-CoV) were generated (rMV-S and rMV-N). Both recombinant viruses stably expressed the corresponding SARS-CoV proteins, grew to similar end titres as the parental strain and induced high antibody titres against MV and the vectored SARS-CoV antigens (S and N) in transgenic mice susceptible to measles infection. The antibodies induced by rMV-S had a high neutralising effect on SARS-CoV as well as on MV. Moreover, significant N-specific cellular immune responses were measured by IFN-γ ELISPOT assays. The pre-existence of anti-MV antibodies induced by the initial immunisation dose did not inhibit boost of anti-S and anti-N antibodies. Immunisations comprising a mixture of rMV-S and rMV-N induced immune responses similar in magnitude to that of vaccine components administered separately. These data support the suitability of MV as a bivalent candidate vaccine vector against MV and emerging viruses such as SARS-CoV.


Affiliations:


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Le document en format XML

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<term>Animals</term>
<term>Animals, Genetically Modified</term>
<term>Cellular immunity</term>
<term>Genetic Vectors (chemistry)</term>
<term>Humoral immunity</term>
<term>Immune response</term>
<term>Measles</term>
<term>Measles Vaccine (administration & dosage)</term>
<term>Measles Vaccine (genetics)</term>
<term>Measles Vaccine (immunology)</term>
<term>Measles virus</term>
<term>Measles virus (metabolism)</term>
<term>Measles virus (physiology)</term>
<term>Membrane Glycoproteins (genetics)</term>
<term>Membrane Glycoproteins (immunology)</term>
<term>Mice</term>
<term>Neutralization Tests</term>
<term>Neutralizing antibody</term>
<term>Nucleocapsid Proteins (genetics)</term>
<term>SARS Virus (genetics)</term>
<term>SARS Virus (immunology)</term>
<term>SARS Virus (metabolism)</term>
<term>Severe Acute Respiratory Syndrome (immunology)</term>
<term>Severe Acute Respiratory Syndrome (prevention & control)</term>
<term>Severe acute respiratory syndrome virus</term>
<term>Spike Glycoprotein, Coronavirus</term>
<term>Vaccine</term>
<term>Vaccines, Synthetic (administration & dosage)</term>
<term>Vaccines, Synthetic (immunology)</term>
<term>Vector</term>
<term>Viral Envelope Proteins (immunology)</term>
<term>Viral Vaccines (administration & dosage)</term>
<term>Viral Vaccines (chemistry)</term>
<term>Viral Vaccines (genetics)</term>
<term>Viral Vaccines (immunology)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr">
<term>Animal génétiquement modifié</term>
<term>Animaux</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Glycoprotéines membranaires (génétique)</term>
<term>Glycoprotéines membranaires (immunologie)</term>
<term>Protéines de l'enveloppe virale (immunologie)</term>
<term>Protéines nucléocapside (génétique)</term>
<term>Souris</term>
<term>Syndrome respiratoire aigu sévère ()</term>
<term>Syndrome respiratoire aigu sévère (immunologie)</term>
<term>Tests de neutralisation</term>
<term>Vaccin contre la rougeole (administration et posologie)</term>
<term>Vaccin contre la rougeole (génétique)</term>
<term>Vaccin contre la rougeole (immunologie)</term>
<term>Vaccins antiviraux ()</term>
<term>Vaccins antiviraux (administration et posologie)</term>
<term>Vaccins antiviraux (génétique)</term>
<term>Vaccins antiviraux (immunologie)</term>
<term>Vaccins synthétiques (administration et posologie)</term>
<term>Vaccins synthétiques (immunologie)</term>
<term>Vecteurs génétiques ()</term>
<term>Virus de la rougeole (métabolisme)</term>
<term>Virus de la rougeole (physiologie)</term>
<term>Virus du SRAS (génétique)</term>
<term>Virus du SRAS (immunologie)</term>
<term>Virus du SRAS (métabolisme)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en">
<term>Measles Vaccine</term>
<term>Vaccines, Synthetic</term>
<term>Viral Vaccines</term>
</keywords>
<keywords scheme="MESH" qualifier="administration et posologie" xml:lang="fr">
<term>Vaccin contre la rougeole</term>
<term>Vaccins antiviraux</term>
<term>Vaccins synthétiques</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en">
<term>Genetic Vectors</term>
<term>Viral Vaccines</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en">
<term>Measles Vaccine</term>
<term>Membrane Glycoproteins</term>
<term>Nucleocapsid Proteins</term>
<term>SARS Virus</term>
<term>Viral Vaccines</term>
</keywords>
<keywords scheme="MESH" qualifier="génétique" xml:lang="fr">
<term>Glycoprotéines membranaires</term>
<term>Protéines nucléocapside</term>
<term>Vaccin contre la rougeole</term>
<term>Vaccins antiviraux</term>
<term>Virus du SRAS</term>
</keywords>
<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr">
<term>Glycoprotéines membranaires</term>
<term>Protéines de l'enveloppe virale</term>
<term>Syndrome respiratoire aigu sévère</term>
<term>Vaccin contre la rougeole</term>
<term>Vaccins antiviraux</term>
<term>Vaccins synthétiques</term>
<term>Virus du SRAS</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="immunology" xml:lang="en">
<term>Measles Vaccine</term>
<term>Membrane Glycoproteins</term>
<term>SARS Virus</term>
<term>Severe Acute Respiratory Syndrome</term>
<term>Vaccines, Synthetic</term>
<term>Viral Envelope Proteins</term>
<term>Viral Vaccines</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en">
<term>Measles virus</term>
<term>SARS Virus</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr">
<term>Virus de la rougeole</term>
<term>Virus du SRAS</term>
</keywords>
<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr">
<term>Virus de la rougeole</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en">
<term>Measles virus</term>
</keywords>
<keywords scheme="MESH" qualifier="prevention & control" xml:lang="en">
<term>Severe Acute Respiratory Syndrome</term>
</keywords>
<keywords scheme="MESH" xml:lang="en">
<term>Animals</term>
<term>Animals, Genetically Modified</term>
<term>Mice</term>
<term>Neutralization Tests</term>
<term>Spike Glycoprotein, Coronavirus</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Animal génétiquement modifié</term>
<term>Animaux</term>
<term>Glycoprotéine de spicule des coronavirus</term>
<term>Souris</term>
<term>Syndrome respiratoire aigu sévère</term>
<term>Tests de neutralisation</term>
<term>Vaccins antiviraux</term>
<term>Vecteurs génétiques</term>
<term>Virus syndrome respiratoire aigu sévère</term>
<term>Virus rougeole</term>
<term>Anticorps neutralisant</term>
<term>Immunité humorale</term>
<term>Réponse immune</term>
<term>Immunité cellulaire</term>
<term>Vaccin</term>
<term>Vecteur</term>
<term>Rougeole</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Vaccin</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">Live attenuated recombinant measles viruses (rMV) expressing a codon-optimised spike glycoprotein (S) or nucleocapsid protein (N) of severe acute respiratory syndrome-associated coronavirus (SARS-CoV) were generated (rMV-S and rMV-N). Both recombinant viruses stably expressed the corresponding SARS-CoV proteins, grew to similar end titres as the parental strain and induced high antibody titres against MV and the vectored SARS-CoV antigens (S and N) in transgenic mice susceptible to measles infection. The antibodies induced by rMV-S had a high neutralising effect on SARS-CoV as well as on MV. Moreover, significant N-specific cellular immune responses were measured by IFN-γ ELISPOT assays. The pre-existence of anti-MV antibodies induced by the initial immunisation dose did not inhibit boost of anti-S and anti-N antibodies. Immunisations comprising a mixture of rMV-S and rMV-N induced immune responses similar in magnitude to that of vaccine components administered separately. These data support the suitability of MV as a bivalent candidate vaccine vector against MV and emerging viruses such as SARS-CoV.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Canada</li>
<li>Suisse</li>
<li>États-Unis</li>
</country>
<region>
<li>Canton de Berne</li>
<li>Géorgie (États-Unis)</li>
</region>
<settlement>
<li>Berne</li>
</settlement>
</list>
<tree>
<country name="Suisse">
<region name="Canton de Berne">
<name sortKey="Liniger, Matthias" sort="Liniger, Matthias" uniqKey="Liniger M" first="Matthias" last="Liniger">Matthias Liniger</name>
</region>
<name sortKey="Azzouz Morin, Teldja N" sort="Azzouz Morin, Teldja N" uniqKey="Azzouz Morin T" first="Teldja N." last="Azzouz-Morin">Teldja N. Azzouz-Morin</name>
<name sortKey="Knuchel, Marlyse" sort="Knuchel, Marlyse" uniqKey="Knuchel M" first="Marlyse" last="Knuchel">Marlyse Knuchel</name>
<name sortKey="Marty, Rene R" sort="Marty, Rene R" uniqKey="Marty R" first="Rene R." last="Marty">Rene R. Marty</name>
<name sortKey="Naim, Hussein Y" sort="Naim, Hussein Y" uniqKey="Naim H" first="Hussein Y." last="Naim">Hussein Y. Naim</name>
<name sortKey="Weibel, Sara" sort="Weibel, Sara" uniqKey="Weibel S" first="Sara" last="Weibel">Sara Weibel</name>
<name sortKey="Wiegand, Marian" sort="Wiegand, Marian" uniqKey="Wiegand M" first="Marian" last="Wiegand">Marian Wiegand</name>
<name sortKey="Zuniga, Armando" sort="Zuniga, Armando" uniqKey="Zuniga A" first="Armando" last="Zuniga">Armando Zuniga</name>
</country>
<country name="États-Unis">
<region name="Géorgie (États-Unis)">
<name sortKey="Tamin, Azaibi" sort="Tamin, Azaibi" uniqKey="Tamin A" first="Azaibi" last="Tamin">Azaibi Tamin</name>
</region>
<name sortKey="Rota, Paul A" sort="Rota, Paul A" uniqKey="Rota P" first="Paul A." last="Rota">Paul A. Rota</name>
</country>
<country name="Canada">
<noRegion>
<name sortKey="Kelvin, David" sort="Kelvin, David" uniqKey="Kelvin D" first="David" last="Kelvin">David Kelvin</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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