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Preexisting CD8+ T-cell immunity to the H7N9 influenza A virus varies across ethnicities

Identifieur interne : 000687 ( Main/Exploration ); précédent : 000686; suivant : 000688

Preexisting CD8+ T-cell immunity to the H7N9 influenza A virus varies across ethnicities

Auteurs : Sergio Qui Ones-Parra [Australie] ; Emma Grant [Australie] ; Liyen Loh [Australie] ; Thi H. O. Nguyen [Australie] ; Kristy-Anne Campbell [Australie] ; Steven Y. C. Tong [Australie] ; Adrian Miller [Australie] ; Peter C. Doherty [Australie, États-Unis] ; Dhanasekaran Vijaykrishna ; Jamie Rossjohn [Australie, Royaume-Uni] ; Stephanie Gras [Australie] ; Katherine Kedzierska [Australie]

Source :

RBID : PMC:3903243

Abstract

Significance

The severity of the novel H7N9 influenza A virus (IAV) and the lack of neutralizing antibodies raise real pandemic concerns. In this scenario, CD8+ T lymphocytes (CTLs) may provide a layer of protection against the H7N9 virus. Our study dissects the extent of preexisting CTL immunity with the potential to respond to H7N9. We identified conserved immunogenic peptides with the capacity to elicit robust CTL responses against any human IAV, including the H7N9 virus, as well as the mutations that abolish CTL recognition. The human leukocyte antigen class I molecules that present these peptides vary in prevalence depending on the ethnicity. Such analyses found that the Alaskan and Australian Indigenous people may be particularly vulnerable to the H7N9 influenza disease.


Url:
DOI: 10.1073/pnas.1322229111
PubMed: 24395804
PubMed Central: 3903243


Affiliations:


Links toward previous steps (curation, corpus...)


Le document en format XML

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T-cell immunity to the H7N9 influenza A virus varies across ethnicities</title>
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T-cell immunity to the H7N9 influenza A virus varies across ethnicities</title>
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<name sortKey="Qui Ones Parra, Sergio" sort="Qui Ones Parra, Sergio" uniqKey="Qui Ones Parra S" first="Sergio" last="Qui Ones-Parra">Sergio Qui Ones-Parra</name>
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<title>Significance</title>
<p>The severity of the novel H7N9 influenza A virus (IAV) and the lack of neutralizing antibodies raise real pandemic concerns. In this scenario, CD8
<sup>+</sup>
T lymphocytes (CTLs) may provide a layer of protection against the H7N9 virus. Our study dissects the extent of preexisting CTL immunity with the potential to respond to H7N9. We identified conserved immunogenic peptides with the capacity to elicit robust CTL responses against any human IAV, including the H7N9 virus, as well as the mutations that abolish CTL recognition. The human leukocyte antigen class I molecules that present these peptides vary in prevalence depending on the ethnicity. Such analyses found that the Alaskan and Australian Indigenous people may be particularly vulnerable to the H7N9 influenza disease.</p>
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<name sortKey="Gras, Stephanie" sort="Gras, Stephanie" uniqKey="Gras S" first="Stephanie" last="Gras">Stephanie Gras</name>
<name sortKey="Kedzierska, Katherine" sort="Kedzierska, Katherine" uniqKey="Kedzierska K" first="Katherine" last="Kedzierska">Katherine Kedzierska</name>
<name sortKey="Loh, Liyen" sort="Loh, Liyen" uniqKey="Loh L" first="Liyen" last="Loh">Liyen Loh</name>
<name sortKey="Miller, Adrian" sort="Miller, Adrian" uniqKey="Miller A" first="Adrian" last="Miller">Adrian Miller</name>
<name sortKey="Nguyen, Thi H O" sort="Nguyen, Thi H O" uniqKey="Nguyen T" first="Thi H. O." last="Nguyen">Thi H. O. Nguyen</name>
<name sortKey="Nguyen, Thi H O" sort="Nguyen, Thi H O" uniqKey="Nguyen T" first="Thi H. O." last="Nguyen">Thi H. O. Nguyen</name>
<name sortKey="Rossjohn, Jamie" sort="Rossjohn, Jamie" uniqKey="Rossjohn J" first="Jamie" last="Rossjohn">Jamie Rossjohn</name>
<name sortKey="Tong, Steven Y C" sort="Tong, Steven Y C" uniqKey="Tong S" first="Steven Y. C." last="Tong">Steven Y. C. Tong</name>
</country>
<country name="États-Unis">
<region name="Tennessee">
<name sortKey="Doherty, Peter C" sort="Doherty, Peter C" uniqKey="Doherty P" first="Peter C." last="Doherty">Peter C. Doherty</name>
</region>
</country>
<country name="Royaume-Uni">
<noRegion>
<name sortKey="Rossjohn, Jamie" sort="Rossjohn, Jamie" uniqKey="Rossjohn J" first="Jamie" last="Rossjohn">Jamie Rossjohn</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

Pour manipuler ce document sous Unix (Dilib)

EXPLOR_STEP=$WICRI_ROOT/Sante/explor/H2N2V1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 000687 | SxmlIndent | more

Ou

HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 000687 | SxmlIndent | more

Pour mettre un lien sur cette page dans le réseau Wicri

{{Explor lien
   |wiki=    Sante
   |area=    H2N2V1
   |flux=    Main
   |étape=   Exploration
   |type=    RBID
   |clé=     PMC:3903243
   |texte=   Preexisting CD8+ T-cell immunity to the H7N9 influenza A virus varies across ethnicities
}}

Pour générer des pages wiki

HfdIndexSelect -h $EXPLOR_AREA/Data/Main/Exploration/RBID.i   -Sk "pubmed:24395804" \
       | HfdSelect -Kh $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd   \
       | NlmPubMed2Wicri -a H2N2V1 

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Data generation: Tue Apr 14 19:59:40 2020. Site generation: Thu Mar 25 15:38:26 2021