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Antigenic analysis of influenza a virus surface antigens: Considerations for the nomenclature of influenza virus

Identifieur interne : 002833 ( Main/Exploration ); précédent : 002832; suivant : 002834

Antigenic analysis of influenza a virus surface antigens: Considerations for the nomenclature of influenza virus

Auteurs : G. C Schild [Royaume-Uni] ; R. W Newman [Royaume-Uni] ; R. G Webster [États-Unis] ; Diane Major [Royaume-Uni] ; Virginia S. Hinshaw [États-Unis]

Source :

RBID : ISTEX:0CB3F25597FBD6159512CF557E101A98B0C5FBAD

English descriptors

Abstract

Abstract: The surface antigens of a comprehensive collection of prototype and other strains of influenza A virus of human, swine, equine and avian origin were studied in immuno-double-diffusion tests with antisera to purified hemagglutinin and neuraminidase antigens. These tests were selected because of their ability to reveal antigenic relationships which may not be apparent by conventional hemagglutination and neuraminidase-inhibition techniques. The antigenic analyses of strains, based on immuno-double-diffusion tests, which are described would permit the classification of influenza A viruses into twelve groups of H antigens and nine groups of N antigens.It was notable that amongst the influenza A viruses of avian origin there exist H and N antigens representative of each of the five H antigen groups (H1, H2, H3, Heq1 and Heq2) and four N antigen groups (N1, N2, Neq1 and Neq2) found amongst human, swine and equine influenza viruses. Seven H antigenic subtypes (Hav2-Hav6, Hav8 and Hav9) and five N antigen subtypes (Nav1, Nav2, Nav 4, Nav5 and Nav6) have been isolated so far only from avian species.
Résumé: Nous avons examiné une gamme complète de prototypes et d'autres souches de virus de la grippe de type A provenant de l'homme, du porc, du cheval et de l'oiseau par des tests d'immunodiffusion double avec des antisérums aux antigènes purifiés d'hémagglutinine et de neuraminidase.Nous avons choisi ces tests parce qu'ils sont capables de révéler des rapports antigéniques qui pourraient ne pas être évidents avec des techniques ordinaires d'hémagglutination et d'inhibition de neuraminidase souches. Grâce aux analyses antigéniques des souches de virus basées sur les tests d'immunodiffusion double, nous avons pu classer les virus de la grippe A en douze groupes d'antigènes de type H et en neuf groupes d'antigènes de type N.

Url:
DOI: 10.1016/0147-9571(80)90034-X


Affiliations:


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Le document en format XML

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<div type="abstract" xml:lang="en">Abstract: The surface antigens of a comprehensive collection of prototype and other strains of influenza A virus of human, swine, equine and avian origin were studied in immuno-double-diffusion tests with antisera to purified hemagglutinin and neuraminidase antigens. These tests were selected because of their ability to reveal antigenic relationships which may not be apparent by conventional hemagglutination and neuraminidase-inhibition techniques. The antigenic analyses of strains, based on immuno-double-diffusion tests, which are described would permit the classification of influenza A viruses into twelve groups of H antigens and nine groups of N antigens.It was notable that amongst the influenza A viruses of avian origin there exist H and N antigens representative of each of the five H antigen groups (H1, H2, H3, Heq1 and Heq2) and four N antigen groups (N1, N2, Neq1 and Neq2) found amongst human, swine and equine influenza viruses. Seven H antigenic subtypes (Hav2-Hav6, Hav8 and Hav9) and five N antigen subtypes (Nav1, Nav2, Nav 4, Nav5 and Nav6) have been isolated so far only from avian species.</div>
<div type="abstract" xml:lang="fr">Résumé: Nous avons examiné une gamme complète de prototypes et d'autres souches de virus de la grippe de type A provenant de l'homme, du porc, du cheval et de l'oiseau par des tests d'immunodiffusion double avec des antisérums aux antigènes purifiés d'hémagglutinine et de neuraminidase.Nous avons choisi ces tests parce qu'ils sont capables de révéler des rapports antigéniques qui pourraient ne pas être évidents avec des techniques ordinaires d'hémagglutination et d'inhibition de neuraminidase souches. Grâce aux analyses antigéniques des souches de virus basées sur les tests d'immunodiffusion double, nous avons pu classer les virus de la grippe A en douze groupes d'antigènes de type H et en neuf groupes d'antigènes de type N.</div>
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