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Participation of both host and virus factors in induction of severe acute respiratory syndrome (SARS) in F344 Rats infected with SARS coronavirus

Identifieur interne : 000358 ( PascalFrancis/Checkpoint ); précédent : 000357; suivant : 000359

Participation of both host and virus factors in induction of severe acute respiratory syndrome (SARS) in F344 Rats infected with SARS coronavirus

Auteurs : Noriyo Nagata [Japon] ; Naoko Iwata [Japon] ; Hideki Hasegawa [Japon] ; Shuetsu Fukushi [Japon] ; Masaru Yokoyama [Japon] ; Ayako Harashima [Japon] ; Yuko Sato [Japon] ; Masayuki Saijo [Japon] ; Shigeru Morikawa [Japon] ; Tetsutaro Sata [Japon]

Source :

RBID : Pascal:07-0121593

Descripteurs français

English descriptors

Abstract

To understand the pathogenesis and develop an animal model of severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV), the Frankfurt 1 SARS-CoV isolate was passaged serially in young F344 rats. Young rats were susceptible to SARS-CoV but cleared the virus rapidly within 3 to 5 days of intranasal inoculation. After 10 serial passages, replication and virulence of SARS-CoV were increased in the respiratory tract of young rats without clinical signs. By contrast, adult rats infected with the passaged virus showed respiratory symptoms and severe pathological lesions in the lung. Levels of inflammatory cytokines in sera and lung tissues were significantly higher in adult F344 rats than in young rats. During in vivo passage of SARS-CoV, a single amino acid substitution was introduced within the binding domain of the viral spike protein recognizing angiotensin-converting enzyme 2 (ACE2), which is known as a SARS-CoV receptor. The rat-passaged virus more efficiently infected CHO cells expressing rat ACE2 than did the original isolate. These results strongly indicate that host and virus factors such as advanced age and virus adaptation are critical for the development of SARS in rats.


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Pascal:07-0121593

Le document en format XML

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<div type="abstract" xml:lang="en">To understand the pathogenesis and develop an animal model of severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV), the Frankfurt 1 SARS-CoV isolate was passaged serially in young F344 rats. Young rats were susceptible to SARS-CoV but cleared the virus rapidly within 3 to 5 days of intranasal inoculation. After 10 serial passages, replication and virulence of SARS-CoV were increased in the respiratory tract of young rats without clinical signs. By contrast, adult rats infected with the passaged virus showed respiratory symptoms and severe pathological lesions in the lung. Levels of inflammatory cytokines in sera and lung tissues were significantly higher in adult F344 rats than in young rats. During in vivo passage of SARS-CoV, a single amino acid substitution was introduced within the binding domain of the viral spike protein recognizing angiotensin-converting enzyme 2 (ACE2), which is known as a SARS-CoV receptor. The rat-passaged virus more efficiently infected CHO cells expressing rat ACE2 than did the original isolate. These results strongly indicate that host and virus factors such as advanced age and virus adaptation are critical for the development of SARS in rats.</div>
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<s0>To understand the pathogenesis and develop an animal model of severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV), the Frankfurt 1 SARS-CoV isolate was passaged serially in young F344 rats. Young rats were susceptible to SARS-CoV but cleared the virus rapidly within 3 to 5 days of intranasal inoculation. After 10 serial passages, replication and virulence of SARS-CoV were increased in the respiratory tract of young rats without clinical signs. By contrast, adult rats infected with the passaged virus showed respiratory symptoms and severe pathological lesions in the lung. Levels of inflammatory cytokines in sera and lung tissues were significantly higher in adult F344 rats than in young rats. During in vivo passage of SARS-CoV, a single amino acid substitution was introduced within the binding domain of the viral spike protein recognizing angiotensin-converting enzyme 2 (ACE2), which is known as a SARS-CoV receptor. The rat-passaged virus more efficiently infected CHO cells expressing rat ACE2 than did the original isolate. These results strongly indicate that host and virus factors such as advanced age and virus adaptation are critical for the development of SARS in rats.</s0>
</fC01>
<fC02 i1="01" i2="X">
<s0>002A05C10</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE">
<s0>Virus syndrome respiratoire aigu sévère</s0>
<s2>NW</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG">
<s0>Severe acute respiratory syndrome virus</s0>
<s2>NW</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA">
<s0>Severe acute respiratory syndrome virus</s0>
<s2>NW</s2>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE">
<s0>Coronavirus rat</s0>
<s2>NW</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG">
<s0>Rat coronavirus</s0>
<s2>NW</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA">
<s0>Rat coronavirus</s0>
<s2>NW</s2>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE">
<s0>Virologie</s0>
<s5>05</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG">
<s0>Virology</s0>
<s5>05</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA">
<s0>Virología</s0>
<s5>05</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE">
<s0>Syndrome respiratoire aigu sévère</s0>
<s2>NM</s2>
<s5>14</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG">
<s0>Severe acute respiratory syndrome</s0>
<s2>NM</s2>
<s5>14</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA">
<s0>Síndrome respiratorio agudo severo</s0>
<s2>NM</s2>
<s5>14</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE">
<s0>Coronavirus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG">
<s0>Coronavirus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA">
<s0>Coronavirus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="04" i2="X" l="ENG">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="05" i2="X" l="FRE">
<s0>Appareil respiratoire pathologie</s0>
<s5>13</s5>
</fC07>
<fC07 i1="05" i2="X" l="ENG">
<s0>Respiratory disease</s0>
<s5>13</s5>
</fC07>
<fC07 i1="05" i2="X" l="SPA">
<s0>Aparato respiratorio patología</s0>
<s5>13</s5>
</fC07>
<fC07 i1="06" i2="X" l="FRE">
<s0>Virose</s0>
</fC07>
<fC07 i1="06" i2="X" l="ENG">
<s0>Viral disease</s0>
</fC07>
<fC07 i1="06" i2="X" l="SPA">
<s0>Virosis</s0>
</fC07>
<fC07 i1="07" i2="X" l="FRE">
<s0>Infection</s0>
</fC07>
<fC07 i1="07" i2="X" l="ENG">
<s0>Infection</s0>
</fC07>
<fC07 i1="07" i2="X" l="SPA">
<s0>Infección</s0>
</fC07>
<fC07 i1="08" i2="X" l="FRE">
<s0>Poumon pathologie</s0>
<s5>16</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG">
<s0>Lung disease</s0>
<s5>16</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA">
<s0>Pulmón patología</s0>
<s5>16</s5>
</fC07>
<fN21>
<s1>078</s1>
</fN21>
<fN44 i1="01">
<s1>OTO</s1>
</fN44>
<fN82>
<s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
<affiliations>
<list>
<country>
<li>Japon</li>
</country>
<region>
<li>Région de Kantō</li>
</region>
<settlement>
<li>Tokyo</li>
</settlement>
</list>
<tree>
<country name="Japon">
<region name="Région de Kantō">
<name sortKey="Nagata, Noriyo" sort="Nagata, Noriyo" uniqKey="Nagata N" first="Noriyo" last="Nagata">Noriyo Nagata</name>
</region>
<name sortKey="Fukushi, Shuetsu" sort="Fukushi, Shuetsu" uniqKey="Fukushi S" first="Shuetsu" last="Fukushi">Shuetsu Fukushi</name>
<name sortKey="Harashima, Ayako" sort="Harashima, Ayako" uniqKey="Harashima A" first="Ayako" last="Harashima">Ayako Harashima</name>
<name sortKey="Hasegawa, Hideki" sort="Hasegawa, Hideki" uniqKey="Hasegawa H" first="Hideki" last="Hasegawa">Hideki Hasegawa</name>
<name sortKey="Iwata, Naoko" sort="Iwata, Naoko" uniqKey="Iwata N" first="Naoko" last="Iwata">Naoko Iwata</name>
<name sortKey="Morikawa, Shigeru" sort="Morikawa, Shigeru" uniqKey="Morikawa S" first="Shigeru" last="Morikawa">Shigeru Morikawa</name>
<name sortKey="Saijo, Masayuki" sort="Saijo, Masayuki" uniqKey="Saijo M" first="Masayuki" last="Saijo">Masayuki Saijo</name>
<name sortKey="Sata, Tetsutaro" sort="Sata, Tetsutaro" uniqKey="Sata T" first="Tetsutaro" last="Sata">Tetsutaro Sata</name>
<name sortKey="Sato, Yuko" sort="Sato, Yuko" uniqKey="Sato Y" first="Yuko" last="Sato">Yuko Sato</name>
<name sortKey="Yokoyama, Masaru" sort="Yokoyama, Masaru" uniqKey="Yokoyama M" first="Masaru" last="Yokoyama">Masaru Yokoyama</name>
</country>
</tree>
</affiliations>
</record>

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   |wiki=    Sante
   |area=    SrasV1
   |flux=    PascalFrancis
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   |texte=   Participation of both host and virus factors in induction of severe acute respiratory syndrome (SARS) in F344 Rats infected with SARS coronavirus
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