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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1997-12-4
pubmed:abstractText
The JAK (Janus kinase) family of protein tyrosine kinases and the STATs (signal transducers and activators of transcription) have been shown to be activated in response to a number of cytokines and growth factors. In this study, we evaluated the activation of JAK/STAT pathway upon human interleukin-5 (hIL-5) stimulation of two different hIL-5-responsive cell lines, hIL-5 receptor alpha-subunit (hIL-5R alpha) cDNA-transfected TF-1 (TF-h5R alpha) and butyric-acid-treated YY-1 (YY-Bu), and peripheral eosinophils. Immunoprecipitation and electrophoretic mobility shift analysis revealed that tyrosine phosphorylation of JAK2 and activation of STAT5 were induced upon stimulation with hIL-5 in all three cell types, while STAT1 activation was only observed in eosinophils. These results indicate that JAK2/STAT5 activation is a common JAK/STAT pathway for hIL-5-mediated signal in these cells.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
1018-2438
pubmed:author
pubmed:issnType
Print
pubmed:volume
114 Suppl 1
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
24-7
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
The activation of the JAK2/STAT5 pathway is commonly involved in signaling through the human IL-5 receptor.
pubmed:affiliation
Department of Immunology, Institute of Medical Science, University of Tokyo, Japan.
pubmed:publicationType
Journal Article