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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1985-3-20
pubmed:abstractText
BALB/c mice were primed with type A influenza virus by footpad injection or by aerosol infection with PR8 [A/PR/8/34-(H1N1)]. Isolated T cells from draining lymph nodes were then tested for their proliferation in the presence of purified viral proteins hemagglutinin, neuraminidase, matrix, and nucleoprotein. Significant responses [( 3H]thymidine incorporation) were seen against each of the four proteins after either priming scheme. When helper T (TH) cell clones were isolated by hybridoma formation from two different strains of mice, responsiveness (interleukin 2 production) towards each protein was against apparent. Of 12 virus-specific T cell hybridomas isolated, four responded to matrix, three to nucleoprotein, one to neuraminidase, three to hemagglutinin, and one cell was of undefined specificity. Each hybridoma was also tested for recognition of the HK virus [A/Hong Kong/1/68-(H3N2)], which differs in subtype from the priming strain. All matrix-specific cells, two nucleoprotein-specific cells, and the cell of undefined specificity were cross-reactive with HK virus. H1-subtype specificity was seen for all hemagglutinin and neuraminidase-specific cells and one of the three nucleoprotein-specific cells. Because many virus-immune TH cells recognize antigenically variable determinants, a significant fraction of TH cell function may be lost after virus evolution. When selecting priming schemes for long-term immunization against influenza, the isolated enhancement of TH cells recognizing conserved determinants on matrix and nucleoprotein may therefore be considered.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0022-1767
pubmed:author
pubmed:issnType
Print
pubmed:volume
134
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1994-8
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
Murine TH response to influenza virus: recognition of hemagglutinin, neuraminidase, matrix, and nucleoproteins.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't