Serveur d'exploration MERS

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Infectious Middle East Respiratory Syndrome Coronavirus Excretion and Serotype Variability Based on Live Virus Isolates from Patients in Saudi Arabia.

Identifieur interne : 001182 ( Ncbi/Merge ); précédent : 001181; suivant : 001183

Infectious Middle East Respiratory Syndrome Coronavirus Excretion and Serotype Variability Based on Live Virus Isolates from Patients in Saudi Arabia.

Auteurs : Doreen Muth [Allemagne] ; Victor M. Corman [Allemagne] ; Benjamin Meyer [Allemagne] ; Abdullah Assiri ; Malak Al-Masri ; Mohamed Farah ; Katja Steinhagen [Allemagne] ; Erik Lattwein [Allemagne] ; Jaffar A. Al-Tawfiq [États-Unis] ; Ali Albarrak ; Marcel A. Müller [Allemagne] ; Christian Drosten [Allemagne] ; Ziad A. Memish [Allemagne]

Source :

RBID : pubmed:26157150

Descripteurs français

English descriptors

Abstract

The newly emerged Middle East respiratory syndrome coronavirus (MERS-CoV) has infected at least 1,082 people, including 439 fatalities. So far, no empirical virus isolation study has been done to elucidate infectious virus secretion or serotype variability. Here, we used 51 respiratory samples from 32 patients with confirmed MERS-CoV infection for virus isolation in Vero B4 and Caco-2 cells. We found Caco-2 cells to significantly enhance isolation success over routinely used Vero cells. Isolation success correlated with viral RNA concentration and time after diagnosis as well as with the amount of IgA antibodies secreted in respiratory samples used for isolation. Results from plaque reduction neutralization assays using a representative range of serum samples and virus isolates suggested that all circulating human MERS-CoV strains represent one single serotype. The choice of prototype strain is not likely to influence the success of candidate MERS-CoV vaccines. However, vaccine formulations should be evaluated for their potential to induce IgA.

DOI: 10.1128/JCM.01368-15
PubMed: 26157150

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pubmed:26157150

Le document en format XML

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<div type="abstract" xml:lang="en">The newly emerged Middle East respiratory syndrome coronavirus (MERS-CoV) has infected at least 1,082 people, including 439 fatalities. So far, no empirical virus isolation study has been done to elucidate infectious virus secretion or serotype variability. Here, we used 51 respiratory samples from 32 patients with confirmed MERS-CoV infection for virus isolation in Vero B4 and Caco-2 cells. We found Caco-2 cells to significantly enhance isolation success over routinely used Vero cells. Isolation success correlated with viral RNA concentration and time after diagnosis as well as with the amount of IgA antibodies secreted in respiratory samples used for isolation. Results from plaque reduction neutralization assays using a representative range of serum samples and virus isolates suggested that all circulating human MERS-CoV strains represent one single serotype. The choice of prototype strain is not likely to influence the success of candidate MERS-CoV vaccines. However, vaccine formulations should be evaluated for their potential to induce IgA. </div>
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<Article PubModel="Print-Electronic">
<Journal>
<ISSN IssnType="Electronic">1098-660X</ISSN>
<JournalIssue CitedMedium="Internet">
<Volume>53</Volume>
<Issue>9</Issue>
<PubDate>
<Year>2015</Year>
<Month>Sep</Month>
</PubDate>
</JournalIssue>
<Title>Journal of clinical microbiology</Title>
<ISOAbbreviation>J. Clin. Microbiol.</ISOAbbreviation>
</Journal>
<ArticleTitle>Infectious Middle East Respiratory Syndrome Coronavirus Excretion and Serotype Variability Based on Live Virus Isolates from Patients in Saudi Arabia.</ArticleTitle>
<Pagination>
<MedlinePgn>2951-5</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1128/JCM.01368-15</ELocationID>
<Abstract>
<AbstractText>The newly emerged Middle East respiratory syndrome coronavirus (MERS-CoV) has infected at least 1,082 people, including 439 fatalities. So far, no empirical virus isolation study has been done to elucidate infectious virus secretion or serotype variability. Here, we used 51 respiratory samples from 32 patients with confirmed MERS-CoV infection for virus isolation in Vero B4 and Caco-2 cells. We found Caco-2 cells to significantly enhance isolation success over routinely used Vero cells. Isolation success correlated with viral RNA concentration and time after diagnosis as well as with the amount of IgA antibodies secreted in respiratory samples used for isolation. Results from plaque reduction neutralization assays using a representative range of serum samples and virus isolates suggested that all circulating human MERS-CoV strains represent one single serotype. The choice of prototype strain is not likely to influence the success of candidate MERS-CoV vaccines. However, vaccine formulations should be evaluated for their potential to induce IgA. </AbstractText>
<CopyrightInformation>Copyright © 2015, American Society for Microbiology. All Rights Reserved.</CopyrightInformation>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Muth</LastName>
<ForeName>Doreen</ForeName>
<Initials>D</Initials>
<AffiliationInfo>
<Affiliation>Institute of Virology, University of Bonn Medical Centre, Bonn, Germany German Centre for Infection Research (DZIF), Bonn-Cologne, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Corman</LastName>
<ForeName>Victor M</ForeName>
<Initials>VM</Initials>
<Identifier Source="ORCID">http://orcid.org/0000-0002-3605-0136</Identifier>
<AffiliationInfo>
<Affiliation>Institute of Virology, University of Bonn Medical Centre, Bonn, Germany German Centre for Infection Research (DZIF), Bonn-Cologne, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Meyer</LastName>
<ForeName>Benjamin</ForeName>
<Initials>B</Initials>
<AffiliationInfo>
<Affiliation>Institute of Virology, University of Bonn Medical Centre, Bonn, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Assiri</LastName>
<ForeName>Abdullah</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Ministry of Health, Riyadh, Kingdom of Saudi Arabia.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Al-Masri</LastName>
<ForeName>Malak</ForeName>
<Initials>M</Initials>
<AffiliationInfo>
<Affiliation>Ministry of Health, Riyadh, Kingdom of Saudi Arabia.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Farah</LastName>
<ForeName>Mohamed</ForeName>
<Initials>M</Initials>
<AffiliationInfo>
<Affiliation>Central Military Laboratory and Blood Bank, Microbiology Division, Prince Sultan Military City, Riyadh, Kingdom of Saudi Arabia.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Steinhagen</LastName>
<ForeName>Katja</ForeName>
<Initials>K</Initials>
<AffiliationInfo>
<Affiliation>EUROIMMUN AG, Lübeck, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Lattwein</LastName>
<ForeName>Erik</ForeName>
<Initials>E</Initials>
<AffiliationInfo>
<Affiliation>EUROIMMUN AG, Lübeck, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Al-Tawfiq</LastName>
<ForeName>Jaffar A</ForeName>
<Initials>JA</Initials>
<AffiliationInfo>
<Affiliation>Johns Hopkins Aramco Healthcare, Dahran, Kingdom of Saudi Arabia Indiana University School of Medicine, Indianapolis, Indiana, USA.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Albarrak</LastName>
<ForeName>Ali</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Saudi Center for Disease Control, Ministry of Health, Riyadh, Kingdom of Saudi Arabia.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Müller</LastName>
<ForeName>Marcel A</ForeName>
<Initials>MA</Initials>
<AffiliationInfo>
<Affiliation>Institute of Virology, University of Bonn Medical Centre, Bonn, Germany.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Drosten</LastName>
<ForeName>Christian</ForeName>
<Initials>C</Initials>
<AffiliationInfo>
<Affiliation>Institute of Virology, University of Bonn Medical Centre, Bonn, Germany German Centre for Infection Research (DZIF), Bonn-Cologne, Germany drosten@virology-bonn.de zmemish@yahoo.com.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Memish</LastName>
<ForeName>Ziad A</ForeName>
<Initials>ZA</Initials>
<AffiliationInfo>
<Affiliation>Ministry of Health, Riyadh, Kingdom of Saudi Arabia College of Medicine, Alfaisal University, Riyadh, Kingdom of Saudi Arabia drosten@virology-bonn.de zmemish@yahoo.com.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D003160">Comparative Study</PublicationType>
<PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D064888">Observational Study</PublicationType>
<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2015</Year>
<Month>07</Month>
<Day>08</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>United States</Country>
<MedlineTA>J Clin Microbiol</MedlineTA>
<NlmUniqueID>7505564</NlmUniqueID>
<ISSNLinking>0095-1137</ISSNLinking>
</MedlineJournalInfo>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000369" MajorTopicYN="N">Aged, 80 and over</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018938" MajorTopicYN="N">Caco-2 Cells</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002522" MajorTopicYN="N">Chlorocebus aethiops</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018352" MajorTopicYN="N">Coronavirus Infections</DescriptorName>
<QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName>
<QualifierName UI="Q000821" MajorTopicYN="Y">virology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D065207" MajorTopicYN="N">Middle East Respiratory Syndrome Coronavirus</DescriptorName>
<QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName>
<QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D012529" MajorTopicYN="N" Type="Geographic">Saudi Arabia</DescriptorName>
<QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D065288" MajorTopicYN="Y">Serogroup</DescriptorName>
</MeshHeading>
<MeshHeading>
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<MeshHeading>
<DescriptorName UI="D014776" MajorTopicYN="N">Virus Cultivation</DescriptorName>
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<MeshHeading>
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<Year>2015</Year>
<Month>05</Month>
<Day>21</Day>
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<Month>06</Month>
<Day>18</Day>
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<Month>7</Month>
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<Month>7</Month>
<Day>15</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<Year>2016</Year>
<Month>5</Month>
<Day>7</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
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