Antibodies to human influenzavirus neuraminidase (the A/Asian/57 H2N2 strain) in sera from Australian pelagic birds*
Identifieur interne : 001119 ( Ncbi/Checkpoint ); précédent : 001118; suivant : 001120Antibodies to human influenzavirus neuraminidase (the A/Asian/57 H2N2 strain) in sera from Australian pelagic birds*
Auteurs : W. G. Laver ; R. G. WebsterSource :
- Bulletin of the World Health Organization [ 0042-9686 ] ; 1972.
Descripteurs français
- KwdFr :
- Animaux, Anticorps antiviraux (analyse), Australie, Grippe humaine (immunologie), Grippe humaine (microbiologie), Grippe humaine (médecine vétérinaire), Humains, Maladies des oiseaux (immunologie), Maladies des oiseaux (microbiologie), Oiseaux, Orthomyxoviridae (immunologie), Sialidase, Tests sérologiques.
- MESH :
- analyse : Anticorps antiviraux.
- immunologie : Grippe humaine, Maladies des oiseaux, Orthomyxoviridae.
- microbiologie : Grippe humaine, Maladies des oiseaux.
- médecine vétérinaire : Grippe humaine.
- Animaux, Australie, Humains, Oiseaux, Sialidase, Tests sérologiques.
- Wicri :
- geographic : Australie.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Antibodies, Viral.
- geographic : Australia, Neuraminidase.
- immunology : Bird Diseases, Influenza, Human, Orthomyxoviridae.
- microbiology : Bird Diseases, Influenza, Human.
- veterinary : Influenza, Human.
- Animals, Birds, Humans, Serologic Tests.
Abstract
Sera collected from Australian pelagic birds specifically inhibited the neuraminidase of the Asian/57 (H2N2) strain of human influenzavirus. Neuraminidase inhibition titres of some sera were high and the avidity of the inhibitor was comparable to that of specific antibody. The neuraminidase of A/Hong Kong/1/68 (H3N2), which has undergone considerable antigenic drift in man since 1957, was inhibited to a lesser extent by the bird sera, while the neuraminidases of the A/BEL/42 (H0N1) and A/FM/1/47 (H1N1) strains were not inhibited at all. The inhibitor could be removed from the sera by adsorption with A/57 virus particles, but not by particles of A/BEL or A/FM1 viruses. These results suggested that the inhibitor in the bird sera was specific antibody. The antibodies to A/57 neuraminidase were found in sera from wedge-tailed shearwaters (
Url:
PubMed: 4541008
PubMed Central: 2480857
Affiliations:
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PMC:2480857Le document en format XML
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<term>Bird Diseases (microbiology)</term>
<term>Birds</term>
<term>Humans</term>
<term>Influenza, Human (immunology)</term>
<term>Influenza, Human (microbiology)</term>
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<term>Orthomyxoviridae (immunologie)</term>
<term>Sialidase</term>
<term>Tests sérologiques</term>
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<front><div type="abstract" xml:lang="en"><p>Sera collected from Australian pelagic birds specifically inhibited the neuraminidase of the Asian/57 (H2N2) strain of human influenzavirus. Neuraminidase inhibition titres of some sera were high and the avidity of the inhibitor was comparable to that of specific antibody. The neuraminidase of A/Hong Kong/1/68 (H3N2), which has undergone considerable antigenic drift in man since 1957, was inhibited to a lesser extent by the bird sera, while the neuraminidases of the A/BEL/42 (H0N1) and A/FM/1/47 (H1N1) strains were not inhibited at all. The inhibitor could be removed from the sera by adsorption with A/57 virus particles, but not by particles of A/BEL or A/FM1 viruses. These results suggested that the inhibitor in the bird sera was specific antibody. The antibodies to A/57 neuraminidase were found in sera from wedge-tailed shearwaters (<italic>Puffinus pacificus</italic>
) and noddy terns (<italic>Anous minutus</italic>
) nesting on islands off the north-east coast of Australia. They were not found in sera from bridled terns (<italic>Sterna anaetheta</italic>
) or brown gannets (<italic>Sula leucogaster</italic>
) nesting on the same islands. Antibodies to A/57 neuraminidase were also detected in sera from short-tailed shearwaters (<italic>Puffinus tenuirostris</italic>
), which migrate around the Pacific Ocean, suggesting that these birds may be responsible for bringing avian influenzaviruses from areas in the Northern Hemisphere into Australian coastal waters.</p>
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