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Epithelial Cells Lining Salivary Gland Ducts Are Early Target Cells of Severe Acute Respiratory Syndrome Coronavirus Infection in the Upper Respiratory Tracts of Rhesus Macaques

Identifieur interne : 002376 ( Main/Exploration ); précédent : 002375; suivant : 002377

Epithelial Cells Lining Salivary Gland Ducts Are Early Target Cells of Severe Acute Respiratory Syndrome Coronavirus Infection in the Upper Respiratory Tracts of Rhesus Macaques

Auteurs : LI LIU [Hong Kong] ; QIANG WEI [République populaire de Chine] ; Xavier Alvarez [États-Unis] ; HAIBO WANG [Hong Kong] ; YANHUA DU [Hong Kong] ; HUA ZHU [République populaire de Chine] ; HONG JIANG [République populaire de Chine] ; JINGYING ZHOU [Hong Kong] ; Pokman Lam [Hong Kong] ; LINQI ZHANG [République populaire de Chine] ; Andrew Lackner [États-Unis] ; CHUAN QIN [République populaire de Chine] ; ZHIWEI CHEN [Hong Kong]

Source :

RBID : Pascal:11-0211360

Descripteurs français

English descriptors

Abstract

The shedding of severe acute respiratory syndrome coronavirus (SARS-CoV) into saliva droplets plays a critical role in viral transmission. The source of high viral loads in saliva, however, remains elusive. Here we investigate the early target cells of infection in the entire array of respiratory tissues in Chinese macaques after intranasal inoculations with a single-cycle pseudotyped virus and a pathogenic SARS-CoV. We found that angiotensin-converting enzyme 2-positive (ACE2+) cells were widely distributed in the upper respiratory tract, and ACE2+ epithelial cells lining salivary gland ducts were the early target cells productively infected. Our findings also have implications for SARS-CoV early diagnosis and prevention.


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</teiHeader>
<front>
<div type="abstract" xml:lang="en">The shedding of severe acute respiratory syndrome coronavirus (SARS-CoV) into saliva droplets plays a critical role in viral transmission. The source of high viral loads in saliva, however, remains elusive. Here we investigate the early target cells of infection in the entire array of respiratory tissues in Chinese macaques after intranasal inoculations with a single-cycle pseudotyped virus and a pathogenic SARS-CoV. We found that angiotensin-converting enzyme 2-positive (ACE2
<sup>+</sup>
) cells were widely distributed in the upper respiratory tract, and ACE2
<sup>+</sup>
epithelial cells lining salivary gland ducts were the early target cells productively infected. Our findings also have implications for SARS-CoV early diagnosis and prevention.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Hong Kong</li>
<li>République populaire de Chine</li>
<li>États-Unis</li>
</country>
<region>
<li>Louisiane</li>
</region>
<settlement>
<li>Pékin</li>
</settlement>
</list>
<tree>
<country name="Hong Kong">
<noRegion>
<name sortKey="Li Liu" sort="Li Liu" uniqKey="Li Liu" last="Li Liu">LI LIU</name>
</noRegion>
<name sortKey="Haibo Wang" sort="Haibo Wang" uniqKey="Haibo Wang" last="Haibo Wang">HAIBO WANG</name>
<name sortKey="Jingying Zhou" sort="Jingying Zhou" uniqKey="Jingying Zhou" last="Jingying Zhou">JINGYING ZHOU</name>
<name sortKey="Lam, Pokman" sort="Lam, Pokman" uniqKey="Lam P" first="Pokman" last="Lam">Pokman Lam</name>
<name sortKey="Yanhua Du" sort="Yanhua Du" uniqKey="Yanhua Du" last="Yanhua Du">YANHUA DU</name>
<name sortKey="Zhiwei Chen" sort="Zhiwei Chen" uniqKey="Zhiwei Chen" last="Zhiwei Chen">ZHIWEI CHEN</name>
<name sortKey="Zhiwei Chen" sort="Zhiwei Chen" uniqKey="Zhiwei Chen" last="Zhiwei Chen">ZHIWEI CHEN</name>
</country>
<country name="République populaire de Chine">
<noRegion>
<name sortKey="Qiang Wei" sort="Qiang Wei" uniqKey="Qiang Wei" last="Qiang Wei">QIANG WEI</name>
</noRegion>
<name sortKey="Chuan Qin" sort="Chuan Qin" uniqKey="Chuan Qin" last="Chuan Qin">CHUAN QIN</name>
<name sortKey="Hong Jiang" sort="Hong Jiang" uniqKey="Hong Jiang" last="Hong Jiang">HONG JIANG</name>
<name sortKey="Hua Zhu" sort="Hua Zhu" uniqKey="Hua Zhu" last="Hua Zhu">HUA ZHU</name>
<name sortKey="Linqi Zhang" sort="Linqi Zhang" uniqKey="Linqi Zhang" last="Linqi Zhang">LINQI ZHANG</name>
</country>
<country name="États-Unis">
<region name="Louisiane">
<name sortKey="Alvarez, Xavier" sort="Alvarez, Xavier" uniqKey="Alvarez X" first="Xavier" last="Alvarez">Xavier Alvarez</name>
</region>
<name sortKey="Lackner, Andrew" sort="Lackner, Andrew" uniqKey="Lackner A" first="Andrew" last="Lackner">Andrew Lackner</name>
</country>
</tree>
</affiliations>
</record>

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