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A Live Attenuated Influenza Vaccine Elicits Enhanced Heterologous Protection When the Internal Genes of the Vaccine Are Matched to Those of the Challenge Virus

Identifieur interne : 000A22 ( Pmc/Curation ); précédent : 000A21; suivant : 000A23

A Live Attenuated Influenza Vaccine Elicits Enhanced Heterologous Protection When the Internal Genes of the Vaccine Are Matched to Those of the Challenge Virus

Auteurs : Andrew Smith [États-Unis] ; Laura Rodriguez [États-Unis] ; Maya El Ghouayel [États-Unis] ; Aitor Nogales [États-Unis] ; Jeffrey M. Chamberlain [États-Unis] ; Katherine Sortino [États-Unis] ; Emma Reilly [États-Unis] ; Changyong Feng [États-Unis] ; David J. Topham [États-Unis] ; Luis Martínez-Sobrido [États-Unis] ; Stephen Dewhurst [États-Unis]

Source :

RBID : PMC:6997774

Abstract

Seasonal influenza infection remains a major cause of disease and death, underscoring the need for improved vaccines. Among current influenza vaccines, the live attenuated influenza vaccine (LAIV) is unique in its ability to elicit T-cell immunity to the conserved internal proteins of the virus. Despite this, LAIV has shown limited efficacy in recent years. One possible reason is that the conserved, internal genes of all current LAIVs derive from virus strains that were isolated between 1957 and 1960 and that, as a result, do not resemble currently circulating influenza viruses. We have therefore developed and tested a new LAIV, based on a currently circulating pandemic strain of influenza. Our results show that this new LAIV elicits improved protective immunity compared to a more conventional LAIV.


Url:
DOI: 10.1128/JVI.01065-19
PubMed: 31748399
PubMed Central: 6997774

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PMC:6997774

Le document en format XML

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<p>Seasonal influenza infection remains a major cause of disease and death, underscoring the need for improved vaccines. Among current influenza vaccines, the live attenuated influenza vaccine (LAIV) is unique in its ability to elicit T-cell immunity to the conserved internal proteins of the virus. Despite this, LAIV has shown limited efficacy in recent years. One possible reason is that the conserved, internal genes of all current LAIVs derive from virus strains that were isolated between 1957 and 1960 and that, as a result, do not resemble currently circulating influenza viruses. We have therefore developed and tested a new LAIV, based on a currently circulating pandemic strain of influenza. Our results show that this new LAIV elicits improved protective immunity compared to a more conventional LAIV.</p>
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<pmc article-type="research-article">
<pmc-dir>properties open_access</pmc-dir>
<front>
<journal-meta>
<journal-id journal-id-type="nlm-ta">J Virol</journal-id>
<journal-id journal-id-type="iso-abbrev">J. Virol</journal-id>
<journal-id journal-id-type="hwp">jvi</journal-id>
<journal-id journal-id-type="pmc">jvi</journal-id>
<journal-id journal-id-type="publisher-id">JVI</journal-id>
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<journal-title>Journal of Virology</journal-title>
</journal-title-group>
<issn pub-type="ppub">0022-538X</issn>
<issn pub-type="epub">1098-5514</issn>
<publisher>
<publisher-name>American Society for Microbiology</publisher-name>
<publisher-loc>1752 N St., N.W., Washington, DC</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="pmid">31748399</article-id>
<article-id pub-id-type="pmc">6997774</article-id>
<article-id pub-id-type="publisher-id">01065-19</article-id>
<article-id pub-id-type="doi">10.1128/JVI.01065-19</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Vaccines and Antiviral Agents</subject>
</subj-group>
</article-categories>
<title-group>
<article-title>A Live Attenuated Influenza Vaccine Elicits Enhanced Heterologous Protection When the Internal Genes of the Vaccine Are Matched to Those of the Challenge Virus</article-title>
<alt-title alt-title-type="running-head">Internal Genes Contribute to Protection by LAIV</alt-title>
<alt-title alt-title-type="short-authors">Smith et al.</alt-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Smith</surname>
<given-names>Andrew</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>b</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Rodriguez</surname>
<given-names>Laura</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
<xref ref-type="author-notes" rid="fn1">*</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>El Ghouayel</surname>
<given-names>Maya</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Nogales</surname>
<given-names>Aitor</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Chamberlain</surname>
<given-names>Jeffrey M.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Sortino</surname>
<given-names>Katherine</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Reilly</surname>
<given-names>Emma</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>c</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Feng</surname>
<given-names>Changyong</given-names>
</name>
<xref ref-type="aff" rid="aff4">
<sup>d</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<contrib-id contrib-id-type="orcid" authenticated="false">https://orcid.org/0000-0002-9435-8673</contrib-id>
<name>
<surname>Topham</surname>
<given-names>David J.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>c</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Martínez-Sobrido</surname>
<given-names>Luis</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
</contrib>
<contrib contrib-type="author" corresp="yes">
<contrib-id contrib-id-type="orcid" authenticated="false">https://orcid.org/0000-0001-7729-7920</contrib-id>
<name>
<surname>Dewhurst</surname>
<given-names>Stephen</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>a</sup>
</xref>
</contrib>
<aff id="aff1">
<label>a</label>
<addr-line>Department of Microbiology and Immunology, University of Rochester, Rochester, New York, USA</addr-line>
</aff>
<aff id="aff2">
<label>b</label>
<addr-line>Medical Scientist Training Program, University of Rochester, Rochester, New York, USA</addr-line>
</aff>
<aff id="aff3">
<label>c</label>
<addr-line>David H. Smith Center for Vaccine Biology and Immunology, University of Rochester, Rochester, New York, USA</addr-line>
</aff>
<aff id="aff4">
<label>d</label>
<addr-line>Department of Biostatistics and Computational Biology, University of Rochester, Rochester, New York, USA</addr-line>
</aff>
</contrib-group>
<contrib-group>
<contrib contrib-type="editor">
<name>
<surname>Heise</surname>
<given-names>Mark T.</given-names>
</name>
<role>Editor</role>
<aff>University of North Carolina at Chapel Hill</aff>
</contrib>
</contrib-group>
<author-notes>
<corresp id="cor1">Address correspondence to Stephen Dewhurst,
<email>Stephen_Dewhurst@urmc.rochester.edu</email>
.</corresp>
<fn id="fn1" fn-type="present-address">
<label>*</label>
<p>Present address: Laura Rodriguez, Agencia Española de Medicamentos y Productos Sanitarios, Madrid, Spain.</p>
</fn>
<fn fn-type="other">
<p>
<bold>Citation</bold>
Smith A, Rodriguez L, El Ghouayel M, Nogales A, Chamberlain JM, Sortino K, Reilly E, Feng C, Topham DJ, Martínez-Sobrido L, Dewhurst S. 2020. A live attenuated influenza vaccine elicits enhanced heterologous protection when the internal genes of the vaccine are matched to those of the challenge virus. J Virol 94:e01065-19.
<ext-link ext-link-type="uri" xlink:href="https://doi.org/10.1128/JVI.01065-19">https://doi.org/10.1128/JVI.01065-19</ext-link>
.</p>
</fn>
</author-notes>
<pub-date pub-type="epreprint">
<day>20</day>
<month>11</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>31</day>
<month>1</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="collection">
<month>2</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="pmc-release">
<day>31</day>
<month>1</month>
<year>2020</year>
</pub-date>
<pmc-comment> PMC Release delay is 0 months and 0 days and was based on the . </pmc-comment>
<volume>94</volume>
<issue>4</issue>
<elocation-id>e01065-19</elocation-id>
<history>
<date date-type="received">
<day>25</day>
<month>6</month>
<year>2019</year>
</date>
<date date-type="accepted">
<day>8</day>
<month>11</month>
<year>2019</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright © 2020 Smith et al.</copyright-statement>
<copyright-year>2020</copyright-year>
<copyright-holder>Smith et al.</copyright-holder>
<license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/">
<license-p>This is an open-access article distributed under the terms of the
<ext-link ext-link-type="uri" xlink:href="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0 International license</ext-link>
.</license-p>
</license>
</permissions>
<self-uri content-type="pdf" xlink:href="JVI.01065-19.pdf"></self-uri>
<abstract abstract-type="precis">
<p>Seasonal influenza infection remains a major cause of disease and death, underscoring the need for improved vaccines. Among current influenza vaccines, the live attenuated influenza vaccine (LAIV) is unique in its ability to elicit T-cell immunity to the conserved internal proteins of the virus. Despite this, LAIV has shown limited efficacy in recent years. One possible reason is that the conserved, internal genes of all current LAIVs derive from virus strains that were isolated between 1957 and 1960 and that, as a result, do not resemble currently circulating influenza viruses. We have therefore developed and tested a new LAIV, based on a currently circulating pandemic strain of influenza. Our results show that this new LAIV elicits improved protective immunity compared to a more conventional LAIV.</p>
</abstract>
<abstract>
<title>ABSTRACT</title>
<p>Influenza A virus (IAV) causes significant morbidity and mortality, despite the availability of viral vaccines. The efficacy of live attenuated influenza vaccines (LAIVs) has been especially poor in recent years. One potential reason is that the master donor virus (MDV), on which all LAIVs are based, contains either the internal genes of the 1960 A/Ann Arbor/6/60 or the 1957 A/Leningrad/17/57 H2N2 viruses (i.e., they diverge considerably from currently circulating strains). We previously showed that introduction of the temperature-sensitive (
<italic>ts</italic>
) residue signature of the AA/60 MDV into a 2009 pandemic A/California/04/09 H1N1 virus (Cal/09) results in only 10-fold
<italic>in vivo</italic>
attenuation in mice. We have previously shown that the
<italic>ts</italic>
residue signature of the Russian A/Leningrad/17/57 H2N2 LAIV (Len LAIV) more robustly attenuates the prototypical A/Puerto Rico/8/1934 (PR8) H1N1 virus. In this work, we therefore introduced the
<italic>ts</italic>
signature from Len LAIV into Cal/09. This new Cal/09 LAIV is
<italic>ts in vitro</italic>
, highly attenuated (
<italic>att</italic>
) in mice, and protects from a lethal homologous challenge. In addition, when our Cal/09 LAIV with PR8 hemagglutinin and neuraminidase was used to vaccinate mice, it provided enhanced protection against a wild-type Cal/09 challenge relative to a PR8 LAIV with the same attenuating mutations. These findings suggest it may be possible to improve the efficacy of LAIVs by better matching the sequence of the MDV to currently circulating strains.</p>
<p>
<bold>IMPORTANCE</bold>
Seasonal influenza infection remains a major cause of disease and death, underscoring the need for improved vaccines. Among current influenza vaccines, the live attenuated influenza vaccine (LAIV) is unique in its ability to elicit T-cell immunity to the conserved internal proteins of the virus. Despite this, LAIV has shown limited efficacy in recent years. One possible reason is that the conserved, internal genes of all current LAIVs derive from virus strains that were isolated between 1957 and 1960 and that, as a result, do not resemble currently circulating influenza viruses. We have therefore developed and tested a new LAIV, based on a currently circulating pandemic strain of influenza. Our results show that this new LAIV elicits improved protective immunity compared to a more conventional LAIV.</p>
</abstract>
<kwd-group>
<title>KEYWORDS</title>
<kwd>influenza</kwd>
<kwd>live attenuated influenza vaccine</kwd>
<kwd>LAIV</kwd>
<kwd>inactivated influenza vaccine</kwd>
<kwd>IIV</kwd>
<kwd>master donor virus</kwd>
<kwd>MDV</kwd>
<kwd>heterologous immunity and protection</kwd>
</kwd-group>
<funding-group>
<award-group id="award1">
<funding-source>
<institution-wrap>
<institution>HHS | National Institutes of Health (NIH)</institution>
<institution-id>https://doi.org/10.13039/100000002</institution-id>
</institution-wrap>
</funding-source>
<award-id>T32GM068411</award-id>
<award-id>T32GM007356</award-id>
<principal-award-recipient>
<name>
<surname>Smith</surname>
<given-names>Andrew</given-names>
</name>
</principal-award-recipient>
</award-group>
<award-group id="award2">
<funding-source>
<institution-wrap>
<institution>HHS | National Institutes of Health (NIH)</institution>
<institution-id>https://doi.org/10.13039/100000002</institution-id>
</institution-wrap>
</funding-source>
<award-id>HHSN272201400005C</award-id>
<principal-award-recipient>
<name>
<surname>Topham</surname>
<given-names>David J.</given-names>
</name>
</principal-award-recipient>
</award-group>
<award-group id="award3">
<funding-source>
<institution-wrap>
<institution>U.S. Department of Defense (DOD)</institution>
<institution-id>https://doi.org/10.13039/100000005</institution-id>
</institution-wrap>
</funding-source>
<award-id>W81XWH-17-1-0168</award-id>
<principal-award-recipient>
<name>
<surname>Dewhurst</surname>
<given-names>Stephen</given-names>
</name>
</principal-award-recipient>
</award-group>
<award-group id="award4">
<funding-source>
<institution-wrap>
<institution>U.S. Department of Defense (DOD)</institution>
<institution-id>https://doi.org/10.13039/100000005</institution-id>
</institution-wrap>
</funding-source>
<award-id>W81XWH-18-1-0460</award-id>
<principal-award-recipient>
<name>
<surname>Martínez-Sobrido</surname>
<given-names>Luis</given-names>
</name>
</principal-award-recipient>
</award-group>
</funding-group>
<counts>
<fig-count count="7"></fig-count>
<table-count count="0"></table-count>
<equation-count count="0"></equation-count>
<ref-count count="63"></ref-count>
<page-count count="15"></page-count>
<word-count count="10726"></word-count>
</counts>
<custom-meta-group>
<custom-meta>
<meta-name>cover-date</meta-name>
<meta-value>February 2020</meta-value>
</custom-meta>
</custom-meta-group>
</article-meta>
</front>
</pmc>
</record>

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