Serveur d'exploration MERS

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Memory T cell responses targeting the SARS coronavirus persist up to 11 years post-infection

Identifieur interne : 001166 ( Pmc/Curation ); précédent : 001165; suivant : 001167

Memory T cell responses targeting the SARS coronavirus persist up to 11 years post-infection

Auteurs : Oi-Wing Ng [Singapour] ; Adeline Chia [Singapour] ; Anthony T. Tan [Singapour] ; Ramesh S. Jadi [Singapour] ; Hoe Nam Leong [Singapour] ; Antonio Bertoletti [Singapour] ; Yee-Joo Tan [Singapour]

Source :

RBID : PMC:7115611

Abstract

Severe acute respiratory syndrome (SARS) is a highly contagious infectious disease which first emerged in late 2002, caused by a then novel human coronavirus, SARS coronavirus (SARS-CoV). The virus is believed to have originated from bats and transmitted to human through intermediate animals such as civet cats. The re-emergence of SARS-CoV remains a valid concern due to the continual persistence of zoonotic SARS-CoVs and SARS-like CoVs (SL-CoVs) in bat reservoirs. In this study, the screening for the presence of SARS-specific T cells in a cohort of three SARS-recovered individuals at 9 and 11 years post-infection was carried out, and all memory T cell responses detected target the SARS-CoV structural proteins. Two CD8+ T cell responses targeting the SARS-CoV membrane (M) and nucleocapsid (N) proteins were characterized by determining their HLA restriction and minimal T cell epitope regions. Furthermore, these responses were found to persist up to 11 years post-infection. An absence of cross-reactivity of these CD8+ T cell responses against the newly-emerged Middle East respiratory syndrome coronavirus (MERS-CoV) was also demonstrated. The knowledge of the persistence of SARS-specific celullar immunity targeting the viral structural proteins in SARS-recovered individuals is important in the design and development of SARS vaccines, which are currently unavailable.


Url:
DOI: 10.1016/j.vaccine.2016.02.063
PubMed: 26954467
PubMed Central: 7115611

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PMC:7115611

Le document en format XML

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<p>Severe acute respiratory syndrome (SARS) is a highly contagious infectious disease which first emerged in late 2002, caused by a then novel human coronavirus, SARS coronavirus (SARS-CoV). The virus is believed to have originated from bats and transmitted to human through intermediate animals such as civet cats. The re-emergence of SARS-CoV remains a valid concern due to the continual persistence of zoonotic SARS-CoVs and SARS-like CoVs (SL-CoVs) in bat reservoirs. In this study, the screening for the presence of SARS-specific T cells in a cohort of three SARS-recovered individuals at 9 and 11 years post-infection was carried out, and all memory T cell responses detected target the SARS-CoV structural proteins. Two CD8
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</TEI>
<pmc article-type="research-article">
<pmc-dir>properties open_access</pmc-dir>
<front>
<journal-meta>
<journal-id journal-id-type="nlm-ta">Vaccine</journal-id>
<journal-id journal-id-type="iso-abbrev">Vaccine</journal-id>
<journal-title-group>
<journal-title>Vaccine</journal-title>
</journal-title-group>
<issn pub-type="ppub">0264-410X</issn>
<issn pub-type="epub">1873-2518</issn>
<publisher>
<publisher-name>Elsevier Ltd.</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="pmid">26954467</article-id>
<article-id pub-id-type="pmc">7115611</article-id>
<article-id pub-id-type="publisher-id">S0264-410X(16)00258-9</article-id>
<article-id pub-id-type="doi">10.1016/j.vaccine.2016.02.063</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Article</subject>
</subj-group>
</article-categories>
<title-group>
<article-title>Memory T cell responses targeting the SARS coronavirus persist up to 11 years post-infection</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author" id="aut0005">
<name>
<surname>Ng</surname>
<given-names>Oi-Wing</given-names>
</name>
<xref rid="aff0005" ref-type="aff">a</xref>
</contrib>
<contrib contrib-type="author" id="aut0010">
<name>
<surname>Chia</surname>
<given-names>Adeline</given-names>
</name>
<xref rid="aff0010" ref-type="aff">b</xref>
</contrib>
<contrib contrib-type="author" id="aut0015">
<name>
<surname>Tan</surname>
<given-names>Anthony T.</given-names>
</name>
<xref rid="aff0010" ref-type="aff">b</xref>
</contrib>
<contrib contrib-type="author" id="aut0020">
<name>
<surname>Jadi</surname>
<given-names>Ramesh S.</given-names>
</name>
<xref rid="aff0005" ref-type="aff">a</xref>
</contrib>
<contrib contrib-type="author" id="aut0025">
<name>
<surname>Leong</surname>
<given-names>Hoe Nam</given-names>
</name>
<xref rid="aff0015" ref-type="aff">c</xref>
</contrib>
<contrib contrib-type="author" id="aut0030">
<name>
<surname>Bertoletti</surname>
<given-names>Antonio</given-names>
</name>
<xref rid="aff0010" ref-type="aff">b</xref>
<xref rid="aff0020" ref-type="aff">d</xref>
</contrib>
<contrib contrib-type="author" id="aut0035">
<name>
<surname>Tan</surname>
<given-names>Yee-Joo</given-names>
</name>
<email>Yee_Joo_TAN@NUHS.edu.sg</email>
<xref rid="aff0005" ref-type="aff">a</xref>
<xref rid="aff0025" ref-type="aff">e</xref>
<xref rid="cor0005" ref-type="corresp"></xref>
</contrib>
</contrib-group>
<aff id="aff0005">
<label>a</label>
Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University Health System (NUHS), National University of Singapore, Singapore</aff>
<aff id="aff0010">
<label>b</label>
Program Emerging Infectious Diseases, Duke-NUS Graduate Medical School, Singapore</aff>
<aff id="aff0015">
<label>c</label>
Singapore General Hospital, Singapore</aff>
<aff id="aff0020">
<label>d</label>
Viral Hepatitis Laboratory, Singapore Institute for Clinical Sciences, Agency of Science Technology and Research (A*STAR), Singapore</aff>
<aff id="aff0025">
<label>e</label>
Institute of Molecular and Cell Biology, A*STAR (Agency for Science, Technology and Research), Singapore</aff>
<author-notes>
<corresp id="cor0005">
<label></label>
Corresponding author at: MD4, 5 Science Drive 2, Singapore 117597, Singapore. Tel.: +65 65163692; fax: +65 67766872.
<email>Yee_Joo_TAN@NUHS.edu.sg</email>
</corresp>
</author-notes>
<pub-date pub-type="pmc-release">
<day>5</day>
<month>3</month>
<year>2016</year>
</pub-date>
<pmc-comment> PMC Release delay is 0 months and 0 days and was based on .</pmc-comment>
<pub-date pub-type="ppub">
<day>12</day>
<month>4</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>5</day>
<month>3</month>
<year>2016</year>
</pub-date>
<volume>34</volume>
<issue>17</issue>
<fpage>2008</fpage>
<lpage>2014</lpage>
<history>
<date date-type="received">
<day>26</day>
<month>9</month>
<year>2015</year>
</date>
<date date-type="rev-recd">
<day>12</day>
<month>2</month>
<year>2016</year>
</date>
<date date-type="accepted">
<day>24</day>
<month>2</month>
<year>2016</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright © 2016 Elsevier Ltd. All rights reserved.</copyright-statement>
<copyright-year>2016</copyright-year>
<copyright-holder>Elsevier Ltd</copyright-holder>
<license>
<license-p>Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.</license-p>
</license>
</permissions>
<abstract id="abs0005">
<p>Severe acute respiratory syndrome (SARS) is a highly contagious infectious disease which first emerged in late 2002, caused by a then novel human coronavirus, SARS coronavirus (SARS-CoV). The virus is believed to have originated from bats and transmitted to human through intermediate animals such as civet cats. The re-emergence of SARS-CoV remains a valid concern due to the continual persistence of zoonotic SARS-CoVs and SARS-like CoVs (SL-CoVs) in bat reservoirs. In this study, the screening for the presence of SARS-specific T cells in a cohort of three SARS-recovered individuals at 9 and 11 years post-infection was carried out, and all memory T cell responses detected target the SARS-CoV structural proteins. Two CD8
<sup>+</sup>
T cell responses targeting the SARS-CoV membrane (M) and nucleocapsid (N) proteins were characterized by determining their HLA restriction and minimal T cell epitope regions. Furthermore, these responses were found to persist up to 11 years post-infection. An absence of cross-reactivity of these CD8
<sup>+</sup>
T cell responses against the newly-emerged Middle East respiratory syndrome coronavirus (MERS-CoV) was also demonstrated. The knowledge of the persistence of SARS-specific celullar immunity targeting the viral structural proteins in SARS-recovered individuals is important in the design and development of SARS vaccines, which are currently unavailable.</p>
</abstract>
<kwd-group id="kwd0005">
<title>Abbreviations</title>
<kwd>SARS, severe acute respiratory syndrome</kwd>
<kwd>SARS-CoV, SARS coronavirus</kwd>
</kwd-group>
<kwd-group id="kwd0010">
<title>Keywords</title>
<kwd>SARS-CoV</kwd>
<kwd>T cell</kwd>
<kwd>Immunity</kwd>
<kwd>Epitope</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
</record>

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