The production and development of H7 Influenza virus pseudotypes for the study of humoral responses against avian viruses.
Identifieur interne : 000B25 ( PubMed/Checkpoint ); précédent : 000B24; suivant : 000B26The production and development of H7 Influenza virus pseudotypes for the study of humoral responses against avian viruses.
Auteurs : Eleonora Molesti [Royaume-Uni] ; Giovanni Cattoli ; Francesca Ferrara ; Eva Böttcher-Friebertsh User ; Calogero Terregino ; Nigel TempertonSource :
- Journal of molecular and genetic medicine : an international journal of biomedical research [ 1747-0862 ] ; 2012.
Abstract
In recent years, high pathogenicity avian influenza (HPAI) virus, H5N1, low pathogenicity avian influenza (LPAI) virus, H9N2, and both HPAI and LPAI H7 viruses have proved devastating for the affected economies reliant on poultry industry, and have posed serious public health concerns. These viruses have repeatedly caused zoonotic disease in humans, raising concerns of a potential influenza pandemic. Despite the focus on the HPAI H5N1 outbreak in 1997 some H7 strains have also shown to be occasionally adaptable to infecting humans. Therefore, applying knowledge of the H5 virus evolution and spread to the development of sensitive serological methods is likely to improve our ability to understand and respond to the emergence of other HPAI and LPAI viruses, present within the avian populations, with the potential to infect humans and other species. In the present study we describe the construction and production of lentiviral pseudotypes bearing envelope glycoproteins of LPAI and HPAI H7 avian influenza viruses, which have been responsible for several outbreaks in the past decade. The H7 pseudotypes were evaluated in pseudotype-based neutralization (pp-NT) assays in order to detect and quantify the presence of neutralizing antibodies in avian sera, which were confirmed H7 positive by inhibition of haemagglutination (HI) test. Overall, our results substantiate influenza virus pseudotype neutralization as a robust tool for influenza sero-surveillance.
PubMed: 23577044
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These viruses have repeatedly caused zoonotic disease in humans, raising concerns of a potential influenza pandemic. Despite the focus on the HPAI H5N1 outbreak in 1997 some H7 strains have also shown to be occasionally adaptable to infecting humans. Therefore, applying knowledge of the H5 virus evolution and spread to the development of sensitive serological methods is likely to improve our ability to understand and respond to the emergence of other HPAI and LPAI viruses, present within the avian populations, with the potential to infect humans and other species. In the present study we describe the construction and production of lentiviral pseudotypes bearing envelope glycoproteins of LPAI and HPAI H7 avian influenza viruses, which have been responsible for several outbreaks in the past decade. The H7 pseudotypes were evaluated in pseudotype-based neutralization (pp-NT) assays in order to detect and quantify the presence of neutralizing antibodies in avian sera, which were confirmed H7 positive by inhibition of haemagglutination (HI) test. Overall, our results substantiate influenza virus pseudotype neutralization as a robust tool for influenza sero-surveillance.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">23577044</PMID><DateCompleted><Year>2013</Year><Month>04</Month><Day>12</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1747-0862</ISSN><JournalIssue CitedMedium="Print"><Volume>7</Volume><PubDate><Year>2012</Year></PubDate></JournalIssue><Title>Journal of molecular and genetic medicine : an international journal of biomedical research</Title><ISOAbbreviation>J Mol Genet Med</ISOAbbreviation></Journal><ArticleTitle>The production and development of H7 Influenza virus pseudotypes for the study of humoral responses against avian viruses.</ArticleTitle><Pagination><MedlinePgn>315-20</MedlinePgn></Pagination><Abstract><AbstractText>In recent years, high pathogenicity avian influenza (HPAI) virus, H5N1, low pathogenicity avian influenza (LPAI) virus, H9N2, and both HPAI and LPAI H7 viruses have proved devastating for the affected economies reliant on poultry industry, and have posed serious public health concerns. These viruses have repeatedly caused zoonotic disease in humans, raising concerns of a potential influenza pandemic. Despite the focus on the HPAI H5N1 outbreak in 1997 some H7 strains have also shown to be occasionally adaptable to infecting humans. Therefore, applying knowledge of the H5 virus evolution and spread to the development of sensitive serological methods is likely to improve our ability to understand and respond to the emergence of other HPAI and LPAI viruses, present within the avian populations, with the potential to infect humans and other species. In the present study we describe the construction and production of lentiviral pseudotypes bearing envelope glycoproteins of LPAI and HPAI H7 avian influenza viruses, which have been responsible for several outbreaks in the past decade. The H7 pseudotypes were evaluated in pseudotype-based neutralization (pp-NT) assays in order to detect and quantify the presence of neutralizing antibodies in avian sera, which were confirmed H7 positive by inhibition of haemagglutination (HI) test. Overall, our results substantiate influenza virus pseudotype neutralization as a robust tool for influenza sero-surveillance.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Molesti</LastName><ForeName>Eleonora</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>Viral Pseudotype Unit, Medway School of Pharmacy, University of Kent, Central Avenue, Chatham Maritime, ME4 4TB, United Kingdom.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cattoli</LastName><ForeName>Giovanni</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Ferrara</LastName><ForeName>Francesca</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Böttcher-Friebertshäuser</LastName><ForeName>Eva</ForeName><Initials>E</Initials></Author><Author ValidYN="Y"><LastName>Terregino</LastName><ForeName>Calogero</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Temperton</LastName><ForeName>Nigel</ForeName><Initials>N</Initials></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>G0600369</GrantID><Agency>Medical Research Council</Agency><Country>United Kingdom</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>02</Month><Day>19</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>J Mol Genet Med</MedlineTA><NlmUniqueID>101256516</NlmUniqueID><ISSNLinking>1747-0862</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">H7 lentiviral pseudotype</Keyword><Keyword MajorTopicYN="N">HPAI</Keyword><Keyword MajorTopicYN="N">LPAI</Keyword><Keyword MajorTopicYN="N">micro-neutralization</Keyword><Keyword MajorTopicYN="N">pandemic potential</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>10</Month><Day>31</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>02</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>02</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>4</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23577044</ArticleId><ArticleId IdType="pmc">PMC3614187</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Science. 2012 Jun 22;336(6088):1506; 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