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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1969-11-27
pubmed:abstractText
Antiserum to a recombinant between an A(o) and an A(2) influenza virus had no detectable antibody against an A(2) virus in standard hemagglutination-inhibition tests, and inhibited 95% of viral neuraminidase activity at a 1 to 400 dilution. However, on mixing virus with antiserum, a drop of up to 90% in hemagglutinin titer was observed. The effects of ultrasonication and direct electron microscopic examination indicated that the antiserum caused aggregation of virus particles. When antiserum was added to A(2) virus-infected chick embryo fibroblasts, release of virus appeared markedly inhibited. After ultrasonication to disrupt aggregates, an increase in released hemagglutinin was observed, but the resulting level was considerably lower than that in control cultures containing normal rabbit serum. In thin sections of infected cells, similar numbers of virus profiles were observed in control and antiserum-treated cultures. A marked increase in release of hemagglutinin was noted if receptor-destroying enzyme was added to antiserum-treated cultures. The results indicate that antibody to neuraminidase does not exert a direct effect on viral maturation, but inhibits the detachment of viral progeny from cell surface receptors.
pubmed:commentsCorrections
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0022-538X
pubmed:author
pubmed:issnType
Print
pubmed:volume
4
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
528-34
pubmed:dateRevised
2009-11-18
pubmed:meshHeading
pubmed:year
1969
pubmed:articleTitle
Effect of antibody to neuraminidase on the maturation and hemagglutinating activity of an influenza A2 virus.
pubmed:publicationType
Journal Article