Differential activities of alpha/beta IFN subtypes against influenza virus in vivo and enhancement of specific immune responses in DNA vaccinated mice expressing haemagglutinin and nucleoprotein

Abstract Vaccines are urgently needed to elicit immunity to different influenza virus strains. DNA vaccines can elicit partial protective immunity, however their efficacy requires improvement. We assessed the capacity of individual type I IFN multigene family members as subtype transgenes to abrogat...

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Veröffentlicht in:Vaccine 2007-02, Vol.25 (10), p.1856-1867
Hauptverfasser: James, Cassandra M, Abdad, Mohammad Y, Mansfield, Josephine P, Jacobsen, Hege K, Vind, Azita Rezazadeh, Stumbles, Philip A, Bartlett, Emmalene J
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container_end_page 1867
container_issue 10
container_start_page 1856
container_title Vaccine
container_volume 25
creator James, Cassandra M
Abdad, Mohammad Y
Mansfield, Josephine P
Jacobsen, Hege K
Vind, Azita Rezazadeh
Stumbles, Philip A
Bartlett, Emmalene J
description Abstract Vaccines are urgently needed to elicit immunity to different influenza virus strains. DNA vaccines can elicit partial protective immunity, however their efficacy requires improvement. We assessed the capacity of individual type I IFN multigene family members as subtype transgenes to abrogate influenza virus replication in a vaccination/challenge mouse model. Differences in antiviral efficacy were found among the subtypes with IFNA5 and IFNA6 being most effective, while IFNA1 was the least effective in reducing lung virus replication. Mice vaccinated with combinatorial HA/IFNA6 or NP/IFNA6 showed reduced lung viral titres, clinical score, body weight loss, and pulmonary tissue damage compared to IFNA6, HA, or NP viral vaccination alone. In addition, IFNA6 increased IgG2a titres with upregulation of IFN-gamma response in the respiratory tract. We conclude that IFN-alpha 6 has antiviral and immunomodulatory effects, which improve efficacy of DNA vaccines for enhanced control of influenza.
doi_str_mv 10.1016/j.vaccine.2006.10.038
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DNA vaccines can elicit partial protective immunity, however their efficacy requires improvement. We assessed the capacity of individual type I IFN multigene family members as subtype transgenes to abrogate influenza virus replication in a vaccination/challenge mouse model. Differences in antiviral efficacy were found among the subtypes with IFNA5 and IFNA6 being most effective, while IFNA1 was the least effective in reducing lung virus replication. Mice vaccinated with combinatorial HA/IFNA6 or NP/IFNA6 showed reduced lung viral titres, clinical score, body weight loss, and pulmonary tissue damage compared to IFNA6, HA, or NP viral vaccination alone. In addition, IFNA6 increased IgG2a titres with upregulation of IFN-gamma response in the respiratory tract. We conclude that IFN-alpha 6 has antiviral and immunomodulatory effects, which improve efficacy of DNA vaccines for enhanced control of influenza.</description><identifier>ISSN: 0264-410X</identifier><identifier>EISSN: 1873-2518</identifier><identifier>DOI: 10.1016/j.vaccine.2006.10.038</identifier><identifier>PMID: 17240000</identifier><language>eng</language><publisher>Netherlands: Elsevier Ltd</publisher><subject>Allergy and Immunology ; Animals ; Antibodies, Viral - blood ; Body Weight ; Cytokines ; Cytomegalovirus ; Deoxyribonucleic acid ; Disease Models, Animal ; DNA ; DNA vaccines ; Hemagglutinin Glycoproteins, Influenza Virus - genetics ; Hemagglutinin Glycoproteins, Influenza Virus - immunology ; Humans ; Immune system ; Immunoglobulin G - blood ; Influenza ; Influenza A Virus, H1N1 Subtype - genetics ; Influenza A Virus, H1N1 Subtype - immunology ; Influenza A Virus, H1N1 Subtype - physiology ; Influenza Vaccines - genetics ; Influenza Vaccines - immunology ; Influenza virus ; Influenza, Human - prevention &amp; control ; Interferon-alpha - classification ; Interferon-alpha - genetics ; Interferon-alpha - immunology ; Interferon-gamma - biosynthesis ; Lung - pathology ; Lung - virology ; Male ; Mice ; Mice, Inbred BALB C ; Nucleoproteins - genetics ; Nucleoproteins - immunology ; Orthomyxoviridae Infections - prevention &amp; control ; Pandemics ; Respiratory tract ; RNA-Binding Proteins - genetics ; RNA-Binding Proteins - immunology ; Rodents ; Type I interferons ; Vaccines ; Vaccines, DNA - genetics ; Vaccines, DNA - immunology ; Viral Core Proteins - genetics ; Viral Core Proteins - immunology</subject><ispartof>Vaccine, 2007-02, Vol.25 (10), p.1856-1867</ispartof><rights>Elsevier Ltd</rights><rights>2006 Elsevier Ltd</rights><rights>Copyright Elsevier Limited Feb 26, 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c477t-d6faab1e645b5b2d0b8f51aa943bbe769fcab5256a99727dd542bb3c3bcf40a93</citedby><cites>FETCH-LOGICAL-c477t-d6faab1e645b5b2d0b8f51aa943bbe769fcab5256a99727dd542bb3c3bcf40a93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/1547165166?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>315,782,786,3554,27933,27934,46004,64394,64396,64398,72478</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17240000$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>James, Cassandra M</creatorcontrib><creatorcontrib>Abdad, Mohammad Y</creatorcontrib><creatorcontrib>Mansfield, Josephine P</creatorcontrib><creatorcontrib>Jacobsen, Hege K</creatorcontrib><creatorcontrib>Vind, Azita Rezazadeh</creatorcontrib><creatorcontrib>Stumbles, Philip A</creatorcontrib><creatorcontrib>Bartlett, Emmalene J</creatorcontrib><title>Differential activities of alpha/beta IFN subtypes against influenza virus in vivo and enhancement of specific immune responses in DNA vaccinated mice expressing haemagglutinin and nucleoprotein</title><title>Vaccine</title><addtitle>Vaccine</addtitle><description>Abstract Vaccines are urgently needed to elicit immunity to different influenza virus strains. DNA vaccines can elicit partial protective immunity, however their efficacy requires improvement. We assessed the capacity of individual type I IFN multigene family members as subtype transgenes to abrogate influenza virus replication in a vaccination/challenge mouse model. Differences in antiviral efficacy were found among the subtypes with IFNA5 and IFNA6 being most effective, while IFNA1 was the least effective in reducing lung virus replication. Mice vaccinated with combinatorial HA/IFNA6 or NP/IFNA6 showed reduced lung viral titres, clinical score, body weight loss, and pulmonary tissue damage compared to IFNA6, HA, or NP viral vaccination alone. In addition, IFNA6 increased IgG2a titres with upregulation of IFN-gamma response in the respiratory tract. 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subjects Allergy and Immunology
Animals
Antibodies, Viral - blood
Body Weight
Cytokines
Cytomegalovirus
Deoxyribonucleic acid
Disease Models, Animal
DNA
DNA vaccines
Hemagglutinin Glycoproteins, Influenza Virus - genetics
Hemagglutinin Glycoproteins, Influenza Virus - immunology
Humans
Immune system
Immunoglobulin G - blood
Influenza
Influenza A Virus, H1N1 Subtype - genetics
Influenza A Virus, H1N1 Subtype - immunology
Influenza A Virus, H1N1 Subtype - physiology
Influenza Vaccines - genetics
Influenza Vaccines - immunology
Influenza virus
Influenza, Human - prevention & control
Interferon-alpha - classification
Interferon-alpha - genetics
Interferon-alpha - immunology
Interferon-gamma - biosynthesis
Lung - pathology
Lung - virology
Male
Mice
Mice, Inbred BALB C
Nucleoproteins - genetics
Nucleoproteins - immunology
Orthomyxoviridae Infections - prevention & control
Pandemics
Respiratory tract
RNA-Binding Proteins - genetics
RNA-Binding Proteins - immunology
Rodents
Type I interferons
Vaccines
Vaccines, DNA - genetics
Vaccines, DNA - immunology
Viral Core Proteins - genetics
Viral Core Proteins - immunology
title Differential activities of alpha/beta IFN subtypes against influenza virus in vivo and enhancement of specific immune responses in DNA vaccinated mice expressing haemagglutinin and nucleoprotein
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