A common neutralizing epitope conserved between the hemagglutinins of influenza A virus H1 and H2 strains
Identifieur interne : 001F22 ( Main/Exploration ); précédent : 001F21; suivant : 001F23A common neutralizing epitope conserved between the hemagglutinins of influenza A virus H1 and H2 strains
Auteurs : Y. Okuno [Japon] ; Y. Isegawa ; F. Sasao ; S. UedaSource :
- Journal of virology [ 0022-538X ] ; 1993.
Descripteurs français
- KwdFr :
- Animaux, Anticorps antiviraux (immunologie), Anticorps monoclonaux (immunologie), Antigènes viraux (génétique), Antigènes viraux (immunologie), Cellules cultivées, Conformation des protéines, Données de séquences moléculaires, Fusion cellulaire, Glycoprotéine hémagglutinine du virus influenza, Hémagglutinines virales (génétique), Hémagglutinines virales (immunologie), Modèles moléculaires, Orthomyxoviridae (génétique), Orthomyxoviridae (immunologie), Souris, Souris de lignée BALB C, Spécificité d'espèce, Spécificité des anticorps, Séquence conservée, Séquence d'acides aminés, Séquence nucléotidique, Tests de neutralisation, Épitopes.
- MESH :
- génétique : Antigènes viraux, Hémagglutinines virales, Orthomyxoviridae.
- immunologie : Anticorps antiviraux, Anticorps monoclonaux, Antigènes viraux, Hémagglutinines virales, Orthomyxoviridae.
- Pascal (Inist)
- Animaux, Cellules cultivées, Conformation des protéines, Données de séquences moléculaires, Fusion cellulaire, Glycoprotéine hémagglutinine du virus influenza, Influenzavirus A, Hémagglutinine, Glycoprotéine, Déterminant antigénique, Anticorps monoclonal, Hybridome, Modèles moléculaires, Neutralisation, Fusion cellulaire, Cellule infectée, Etude comparative, Souche, Souris, Souris de lignée BALB C, Spécificité d'espèce, Spécificité des anticorps, Séquence aminoacide, Séquence conservée, Séquence d'acides aminés, Séquence nucléotidique, Tests de neutralisation, Épitopes.
English descriptors
- KwdEn :
- Amino Acid Sequence, Aminoacid sequence, Animals, Antibodies, Monoclonal (immunology), Antibodies, Viral (immunology), Antibody Specificity, Antigenic determinant, Antigens, Viral (genetics), Antigens, Viral (immunology), Base Sequence, Cell Fusion, Cell fusion, Cells, Cultured, Comparative study, Conserved Sequence, Epitopes, Glycoproteins, Hemagglutinin, Hemagglutinin Glycoproteins, Influenza Virus, Hemagglutinins, Viral (genetics), Hemagglutinins, Viral (immunology), Hybridoma, Infected cell, Influenzavirus A, Mice, Mice, Inbred BALB C, Models, Molecular, Molecular Sequence Data, Monoclonal antibody, Neutralization, Neutralization Tests, Orthomyxoviridae (genetics), Orthomyxoviridae (immunology), Protein Conformation, Species Specificity, Strain.
- MESH :
- chemical , genetics : Antigens, Viral, Hemagglutinins, Viral.
- chemical , immunology : Antibodies, Monoclonal, Antibodies, Viral, Antigens, Viral, Hemagglutinins, Viral.
- genetics : Orthomyxoviridae.
- immunology : Orthomyxoviridae.
- Amino Acid Sequence, Animals, Antibody Specificity, Base Sequence, Cell Fusion, Cells, Cultured, Conserved Sequence, Epitopes, Hemagglutinin Glycoproteins, Influenza Virus, Mice, Mice, Inbred BALB C, Models, Molecular, Molecular Sequence Data, Neutralization Tests, Protein Conformation, Species Specificity.
Abstract
When mice were immunized with the A/Okuda/57 (H2N2) strain of influenza virus, a unique monoclonal antibody designated C179 was obtained. Although C179 was confirmed to recognize the hemagglutinin (HA) glycoprotein by immunoprecipitation assays, it did not show hemagglutination inhibition activity to any of the strains of the three subtypes of influenza A virus. However, it neutralized all of the H1 and H2 strains but not the H3 strains. Moreover, it inhibited polykaryon formation induced by the H1 and H2 strains but not by the H3 strains. Two antigenic variants against C179 were obtained, and nucleotide sequence analysis revealed that amino acid sequences, from 318 to 322 of HA, and from 47 to 58 of HA2, conserved among H1 and H2 strains were responsible for the recognition of C179
Url:
Affiliations:
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Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amino Acid Sequence</term>
<term>Aminoacid sequence</term>
<term>Animals</term>
<term>Antibodies, Monoclonal (immunology)</term>
<term>Antibodies, Viral (immunology)</term>
<term>Antibody Specificity</term>
<term>Antigenic determinant</term>
<term>Antigens, Viral (genetics)</term>
<term>Antigens, Viral (immunology)</term>
<term>Base Sequence</term>
<term>Cell Fusion</term>
<term>Cell fusion</term>
<term>Cells, Cultured</term>
<term>Comparative study</term>
<term>Conserved Sequence</term>
<term>Epitopes</term>
<term>Glycoproteins</term>
<term>Hemagglutinin</term>
<term>Hemagglutinin Glycoproteins, Influenza Virus</term>
<term>Hemagglutinins, Viral (genetics)</term>
<term>Hemagglutinins, Viral (immunology)</term>
<term>Hybridoma</term>
<term>Infected cell</term>
<term>Influenzavirus A</term>
<term>Mice</term>
<term>Mice, Inbred BALB C</term>
<term>Models, Molecular</term>
<term>Molecular Sequence Data</term>
<term>Monoclonal antibody</term>
<term>Neutralization</term>
<term>Neutralization Tests</term>
<term>Orthomyxoviridae (genetics)</term>
<term>Orthomyxoviridae (immunology)</term>
<term>Protein Conformation</term>
<term>Species Specificity</term>
<term>Strain</term>
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<term>Anticorps antiviraux (immunologie)</term>
<term>Anticorps monoclonaux (immunologie)</term>
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<term>Antigènes viraux (immunologie)</term>
<term>Cellules cultivées</term>
<term>Conformation des protéines</term>
<term>Données de séquences moléculaires</term>
<term>Fusion cellulaire</term>
<term>Glycoprotéine hémagglutinine du virus influenza</term>
<term>Hémagglutinines virales (génétique)</term>
<term>Hémagglutinines virales (immunologie)</term>
<term>Modèles moléculaires</term>
<term>Orthomyxoviridae (génétique)</term>
<term>Orthomyxoviridae (immunologie)</term>
<term>Souris</term>
<term>Souris de lignée BALB C</term>
<term>Spécificité d'espèce</term>
<term>Spécificité des anticorps</term>
<term>Séquence conservée</term>
<term>Séquence d'acides aminés</term>
<term>Séquence nucléotidique</term>
<term>Tests de neutralisation</term>
<term>Épitopes</term>
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<term>Hemagglutinins, Viral</term>
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<term>Antibodies, Viral</term>
<term>Antigens, Viral</term>
<term>Hemagglutinins, Viral</term>
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<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Orthomyxoviridae</term>
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<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Antigènes viraux</term>
<term>Hémagglutinines virales</term>
<term>Orthomyxoviridae</term>
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<keywords scheme="MESH" qualifier="immunologie" xml:lang="fr"><term>Anticorps antiviraux</term>
<term>Anticorps monoclonaux</term>
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<term>Hémagglutinines virales</term>
<term>Orthomyxoviridae</term>
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<keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Orthomyxoviridae</term>
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<term>Animals</term>
<term>Antibody Specificity</term>
<term>Base Sequence</term>
<term>Cell Fusion</term>
<term>Cells, Cultured</term>
<term>Conserved Sequence</term>
<term>Epitopes</term>
<term>Hemagglutinin Glycoproteins, Influenza Virus</term>
<term>Mice</term>
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<term>Models, Molecular</term>
<term>Molecular Sequence Data</term>
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<term>Protein Conformation</term>
<term>Species Specificity</term>
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<term>Cellules cultivées</term>
<term>Conformation des protéines</term>
<term>Données de séquences moléculaires</term>
<term>Fusion cellulaire</term>
<term>Glycoprotéine hémagglutinine du virus influenza</term>
<term>Influenzavirus A</term>
<term>Hémagglutinine</term>
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<term>Déterminant antigénique</term>
<term>Anticorps monoclonal</term>
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<term>Souris de lignée BALB C</term>
<term>Spécificité d'espèce</term>
<term>Spécificité des anticorps</term>
<term>Séquence aminoacide</term>
<term>Séquence conservée</term>
<term>Séquence d'acides aminés</term>
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<front><div type="abstract" xml:lang="en">When mice were immunized with the A/Okuda/57 (H2N2) strain of influenza virus, a unique monoclonal antibody designated C179 was obtained. Although C179 was confirmed to recognize the hemagglutinin (HA) glycoprotein by immunoprecipitation assays, it did not show hemagglutination inhibition activity to any of the strains of the three subtypes of influenza A virus. However, it neutralized all of the H1 and H2 strains but not the H3 strains. Moreover, it inhibited polykaryon formation induced by the H1 and H2 strains but not by the H3 strains. Two antigenic variants against C179 were obtained, and nucleotide sequence analysis revealed that amino acid sequences, from 318 to 322 of HA, and from 47 to 58 of HA<sub>2</sub>
, conserved among H1 and H2 strains were responsible for the recognition of C179</div>
</front>
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<affiliations><list><country><li>Japon</li>
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<tree><noCountry><name sortKey="Isegawa, Y" sort="Isegawa, Y" uniqKey="Isegawa Y" first="Y." last="Isegawa">Y. Isegawa</name>
<name sortKey="Sasao, F" sort="Sasao, F" uniqKey="Sasao F" first="F." last="Sasao">F. Sasao</name>
<name sortKey="Ueda, S" sort="Ueda, S" uniqKey="Ueda S" first="S." last="Ueda">S. Ueda</name>
</noCountry>
<country name="Japon"><noRegion><name sortKey="Okuno, Y" sort="Okuno, Y" uniqKey="Okuno Y" first="Y." last="Okuno">Y. Okuno</name>
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