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Influenza A virus transfectants with chimeric hemagglutinins containing epitopes from different subtypes.

Identifieur interne : 000439 ( PubMed/Corpus ); précédent : 000438; suivant : 000440

Influenza A virus transfectants with chimeric hemagglutinins containing epitopes from different subtypes.

Auteurs : S Q Li ; J L Schulman ; T. Moran ; C. Bona ; P. Palese

Source :

RBID : pubmed:1370088

English descriptors

Abstract

Influenza virus transfectants with chimeric hemagglutinins were constructed by using a ribonucleoprotein transfection method. Transfectants W(H1)-H2 and W(H1)-H3 contained A/WSN/33(H1N1) (WSN) hemagglutinins in which the six-amino-acid loop (contained in antigenic site B) was replaced by the corresponding structures of influenza viruses A/Japan/57(H2N2) and A/Hong Kong/8/68(H3N2) (HK), respectively. Serological analysis indicated that the W(H1)-H3 transfectant virus reacted with antibodies against both the WSN and HK viruses in hemagglutination inhibition and plaque neutralization assays. Furthermore, mice immunized with W(H1)-H3 transfectant virus produced antibodies to the WSN and HK viruses. The results demonstrate that influenza virus transfectants can be engineered to express epitopes of different subtypes on their hemagglutinins.

PubMed: 1370088

Links to Exploration step

pubmed:1370088

Le document en format XML

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<name sortKey="Li, S Q" sort="Li, S Q" uniqKey="Li S" first="S Q" last="Li">S Q Li</name>
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<name sortKey="Schulman, J L" sort="Schulman, J L" uniqKey="Schulman J" first="J L" last="Schulman">J L Schulman</name>
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<name sortKey="Moran, T" sort="Moran, T" uniqKey="Moran T" first="T" last="Moran">T. Moran</name>
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<name sortKey="Bona, C" sort="Bona, C" uniqKey="Bona C" first="C" last="Bona">C. Bona</name>
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<div type="abstract" xml:lang="en">Influenza virus transfectants with chimeric hemagglutinins were constructed by using a ribonucleoprotein transfection method. Transfectants W(H1)-H2 and W(H1)-H3 contained A/WSN/33(H1N1) (WSN) hemagglutinins in which the six-amino-acid loop (contained in antigenic site B) was replaced by the corresponding structures of influenza viruses A/Japan/57(H2N2) and A/Hong Kong/8/68(H3N2) (HK), respectively. Serological analysis indicated that the W(H1)-H3 transfectant virus reacted with antibodies against both the WSN and HK viruses in hemagglutination inhibition and plaque neutralization assays. Furthermore, mice immunized with W(H1)-H3 transfectant virus produced antibodies to the WSN and HK viruses. The results demonstrate that influenza virus transfectants can be engineered to express epitopes of different subtypes on their hemagglutinins.</div>
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<AbstractText>Influenza virus transfectants with chimeric hemagglutinins were constructed by using a ribonucleoprotein transfection method. Transfectants W(H1)-H2 and W(H1)-H3 contained A/WSN/33(H1N1) (WSN) hemagglutinins in which the six-amino-acid loop (contained in antigenic site B) was replaced by the corresponding structures of influenza viruses A/Japan/57(H2N2) and A/Hong Kong/8/68(H3N2) (HK), respectively. Serological analysis indicated that the W(H1)-H3 transfectant virus reacted with antibodies against both the WSN and HK viruses in hemagglutination inhibition and plaque neutralization assays. Furthermore, mice immunized with W(H1)-H3 transfectant virus produced antibodies to the WSN and HK viruses. The results demonstrate that influenza virus transfectants can be engineered to express epitopes of different subtypes on their hemagglutinins.</AbstractText>
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