Vaccination focusing immunity on conserved antigens protects mice and ferrets against virulent H1N1 and H5N1 influenza A viruses

Abstract Immunization against conserved virus components induces broad, heterosubtypic protection against diverse influenza A viruses, providing a strategy for controlling unexpected outbreaks or pandemics until strain-matched vaccines become available. This study characterized immunization to nucle...

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Veröffentlicht in:Vaccine 2009-11, Vol.27 (47), p.6512-6521
Hauptverfasser: Price, Graeme E, Soboleski, Mark R, Lo, Chia-Yun, Misplon, Julia A, Pappas, Claudia, Houser, Katherine V, Tumpey, Terrence M, Epstein, Suzanne L
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container_end_page 6521
container_issue 47
container_start_page 6512
container_title Vaccine
container_volume 27
creator Price, Graeme E
Soboleski, Mark R
Lo, Chia-Yun
Misplon, Julia A
Pappas, Claudia
Houser, Katherine V
Tumpey, Terrence M
Epstein, Suzanne L
description Abstract Immunization against conserved virus components induces broad, heterosubtypic protection against diverse influenza A viruses, providing a strategy for controlling unexpected outbreaks or pandemics until strain-matched vaccines become available. This study characterized immunization to nucleoprotein (NP) and matrix 2 (M2) by DNA priming followed by parenteral or mucosal boosting in mice and ferrets. DNA vaccination followed by boosting with antigen-matched recombinant adenovirus (rAd) or cold-adapted ( ca ) influenza virus provided robust protection against virulent H1N1 and H5N1 challenges. Compared to other boosts, mucosal rAd induced stronger IgA responses, more virus-specific activated T-cells in the lung, and better protection against morbidity following challenge even eight months post-boost. In ferrets, both mucosal and parenteral rAd boosting protected from lethal H5N1 challenge. These findings demonstrate potent protection by vaccination highly focused on conserved antigens and identify immune response measures in mice that differed among vaccinations and correlated with outcome.
doi_str_mv 10.1016/j.vaccine.2009.08.053
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These findings demonstrate potent protection by vaccination highly focused on conserved antigens and identify immune response measures in mice that differed among vaccinations and correlated with outcome.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>19729082</pmid><doi>10.1016/j.vaccine.2009.08.053</doi><tpages>10</tpages></addata></record>
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subjects Adenovirus
Adenoviruses
Allergy and Immunology
Animals
Antibodies, Viral - blood
Applied microbiology
Avian flu
Biological and medical sciences
Catheters
Cold-adapted
Deoxyribonucleic acid
DNA
DNA vaccine
Experiments
Female
Ferret
Ferrets
Fundamental and applied biological sciences. Psychology
H5N1
Heterosubtypic immunity
Immune response
Immunity, Mucosal
Immunization
Immunization, Secondary
Immunoglobulin A - blood
Immunologic Memory
Infections
Influenza
Influenza A Virus, H1N1 Subtype - immunology
Influenza A Virus, H5N1 Subtype - immunology
Influenza Vaccines - immunology
Influenza virus
Intramuscular
Intranasal
Male
Mice
Mice, Inbred BALB C
Microbiology
Miscellaneous
Mustela
Orthomyxoviridae Infections - immunology
Orthomyxoviridae Infections - prevention & control
Pandemic
Pandemics
Peptides
Prime-boost
Public health
Recombinant adenovirus
RNA-Binding Proteins - immunology
Systemic
T-Lymphocytes - immunology
Vaccine
Vaccines
Vaccines, antisera, therapeutical immunoglobulins and monoclonal antibodies (general aspects)
Viral Core Proteins - immunology
Viral Matrix Proteins - immunology
Virology
Viruses
title Vaccination focusing immunity on conserved antigens protects mice and ferrets against virulent H1N1 and H5N1 influenza A viruses
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