Passive immunization with a recombinant adenovirus expressing an HA (H5)-specific single-domain antibody protects mice from lethal influenza infection
Identifieur interne : 001813 ( Main/Merge ); précédent : 001812; suivant : 001814Passive immunization with a recombinant adenovirus expressing an HA (H5)-specific single-domain antibody protects mice from lethal influenza infection
Auteurs : Irina L. Tutykhina [Russie] ; Elena S. Sedova [Russie] ; Irina Y. Gribova [Russie] ; Tatiana I. Ivanova [Russie] ; Lev A. Vasilev [Russie] ; Marina V. Rutovskaya [Russie] ; Andrei A. Lysenko [Russie] ; Maxim M. Shmarov [Russie] ; Denis Y. Logunov [Russie] ; Boris S. Naroditsky [Russie] ; Sergei V. Tillib [Russie] ; Alexander L. Gintsburg [Russie]Source :
- Antiviral research [ 0166-3542 ] ; 2013.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
One effective method for the prevention and treatment of influenza infection is passive immunization. In our study, we examined the feasibility of creating an antibody-based preparation with a prolonged protective effect against influenza virus. Single-domain antibodies (sdAbs) specific for influenza virus hem-agglutinin were generated. Experiments in mouse models showed 100% survivability for both intranasal sdAbs administration 24 h prior to influenza challenge and 24 h after infection. sdAb-gene delivery by an adenoviral vector led to gene expression for up to 14 days. Protection by a recombinant adenovirus containing the sdAb gene was observed in cases of administration prior to influenza infection (14 d-24 h). We also demonstrated that the single administration of a combined preparation containing sdAb DNA and protein expanded the protection time window from 14 d prior to 48 h after influenza infection. This approach and the application of a broad-spectrum sdAbs will allow the development of efficient drugs for the prevention and treatment of viral infections produced by pandemic virus variants and other infections.
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<term>Animal</term>
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<term>Human adenovirus</term>
<term>Influenza</term>
<term>Influenzavirus</term>
<term>Mouse</term>
<term>Passive immunization</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Immunisation passive</term>
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<term>Adénovirus humain</term>
<term>Anticorps</term>
<term>Prévention</term>
<term>Animal</term>
<term>Souris</term>
<term>Grippe</term>
<term>Influenzavirus</term>
<term>Vecteur</term>
<term>Forme fatale</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">One effective method for the prevention and treatment of influenza infection is passive immunization. In our study, we examined the feasibility of creating an antibody-based preparation with a prolonged protective effect against influenza virus. Single-domain antibodies (sdAbs) specific for influenza virus hem-agglutinin were generated. Experiments in mouse models showed 100% survivability for both intranasal sdAbs administration 24 h prior to influenza challenge and 24 h after infection. sdAb-gene delivery by an adenoviral vector led to gene expression for up to 14 days. Protection by a recombinant adenovirus containing the sdAb gene was observed in cases of administration prior to influenza infection (14 d-24 h). We also demonstrated that the single administration of a combined preparation containing sdAb DNA and protein expanded the protection time window from 14 d prior to 48 h after influenza infection. This approach and the application of a broad-spectrum sdAbs will allow the development of efficient drugs for the prevention and treatment of viral infections produced by pandemic virus variants and other infections.</div>
</front>
</TEI>
<affiliations><list><country><li>Russie</li>
</country>
<region><li>District fédéral central</li>
</region>
<settlement><li>Moscou</li>
</settlement>
</list>
<tree><country name="Russie"><region name="District fédéral central"><name sortKey="Tutykhina, Irina L" sort="Tutykhina, Irina L" uniqKey="Tutykhina I" first="Irina L." last="Tutykhina">Irina L. Tutykhina</name>
</region>
<name sortKey="Gintsburg, Alexander L" sort="Gintsburg, Alexander L" uniqKey="Gintsburg A" first="Alexander L." last="Gintsburg">Alexander L. Gintsburg</name>
<name sortKey="Gribova, Irina Y" sort="Gribova, Irina Y" uniqKey="Gribova I" first="Irina Y." last="Gribova">Irina Y. Gribova</name>
<name sortKey="Ivanova, Tatiana I" sort="Ivanova, Tatiana I" uniqKey="Ivanova T" first="Tatiana I." last="Ivanova">Tatiana I. Ivanova</name>
<name sortKey="Logunov, Denis Y" sort="Logunov, Denis Y" uniqKey="Logunov D" first="Denis Y." last="Logunov">Denis Y. Logunov</name>
<name sortKey="Lysenko, Andrei A" sort="Lysenko, Andrei A" uniqKey="Lysenko A" first="Andrei A." last="Lysenko">Andrei A. Lysenko</name>
<name sortKey="Naroditsky, Boris S" sort="Naroditsky, Boris S" uniqKey="Naroditsky B" first="Boris S." last="Naroditsky">Boris S. Naroditsky</name>
<name sortKey="Rutovskaya, Marina V" sort="Rutovskaya, Marina V" uniqKey="Rutovskaya M" first="Marina V." last="Rutovskaya">Marina V. Rutovskaya</name>
<name sortKey="Sedova, Elena S" sort="Sedova, Elena S" uniqKey="Sedova E" first="Elena S." last="Sedova">Elena S. Sedova</name>
<name sortKey="Shmarov, Maxim M" sort="Shmarov, Maxim M" uniqKey="Shmarov M" first="Maxim M." last="Shmarov">Maxim M. Shmarov</name>
<name sortKey="Tillib, Sergei V" sort="Tillib, Sergei V" uniqKey="Tillib S" first="Sergei V." last="Tillib">Sergei V. Tillib</name>
<name sortKey="Vasilev, Lev A" sort="Vasilev, Lev A" uniqKey="Vasilev L" first="Lev A." last="Vasilev">Lev A. Vasilev</name>
</country>
</tree>
</affiliations>
</record>
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