pubmed-article:10918594 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C0007634 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C0537969 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C1706474 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C0553580 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C0162638 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C0031715 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C0036720 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C0086597 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C0205263 | lld:lifeskim |
pubmed-article:10918594 | lifeskim:mentions | umls-concept:C1879547 | lld:lifeskim |
pubmed-article:10918594 | pubmed:issue | 30 | lld:pubmed |
pubmed-article:10918594 | pubmed:dateCreated | 2000-8-18 | lld:pubmed |
pubmed-article:10918594 | pubmed:abstractText | Four human cell lines derived from Ewing's sarcoma, EW-7, EW-1, COH and ORS, were investigated to establish the effects of human recombinant interferon-alpha2a and human recombinant interferon-beta on cell proliferation and apoptosis. All four cell lines were much more sensitive to the antiproliferative effects of IFN-beta than of IFN-alpha. Analysis of the early signals triggered by IFN-alpha and IFN-beta demonstrated that the two IFNs were similarly effective in inducing tyrosine phosphorylation of the Jak-1 and Tyk-2 kinases and the transcription factors Stat-1 and Stat-2. Interestingly, an additional rapid phosphorylation of Stat-1 on serine was observed after IFN-beta treatment, with concomitant activation of p38 mitogen-activated protein kinase. In these cells, Stat-1 Ser727 phosphorylation in response to IFN-beta was found to be impaired by p38 MAPkinase inhibitor (SB203580). IFN-beta induced the formation of the Interferon Stimulated Gene Factor 3 complex more efficiently than IFN-alpha, as well as sustained induction of IRF-1, which may account for its greater induction of 2'5'oligo(A)synthetase and greater inhibition of cell proliferation. IFN-beta, but not IFN-alpha, induced apoptosis in wild-type p53 EW-7 and COH cell lines, but not in the mutated p53 EW-1 or ORS cell lines. The apoptosis induced by IFN-beta in EW-7 and COH cell lines appeared to be mediated by IRF-1 and involved the activation of caspase-7. Ectopic expression of IRF-1 induced apoptosis in all four cell lines which correlated with the activation of caspase-7 and with the downregulation of the Bcl-2 oncoprotein, as observed for IFN-beta-induced apoptosis in parental EW-7 and COH cell lines. | lld:pubmed |
pubmed-article:10918594 | pubmed:language | eng | lld:pubmed |
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pubmed-article:10918594 | pubmed:citationSubset | IM | lld:pubmed |
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pubmed-article:10918594 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:10918594 | pubmed:month | Jul | lld:pubmed |
pubmed-article:10918594 | pubmed:issn | 0950-9232 | lld:pubmed |
pubmed-article:10918594 | pubmed:author | pubmed-author:WietzerbinJJ | lld:pubmed |
pubmed-article:10918594 | pubmed:author | pubmed-author:DelattreOO | lld:pubmed |
pubmed-article:10918594 | pubmed:author | pubmed-author:HiscottJJ | lld:pubmed |
pubmed-article:10918594 | pubmed:author | pubmed-author:SancéauJJ | lld:pubmed |
pubmed-article:10918594 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:10918594 | pubmed:day | 13 | lld:pubmed |
pubmed-article:10918594 | pubmed:volume | 19 | lld:pubmed |
pubmed-article:10918594 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:10918594 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:10918594 | pubmed:pagination | 3372-83 | lld:pubmed |
pubmed-article:10918594 | pubmed:dateRevised | 2011-11-17 | lld:pubmed |
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pubmed-article:10918594 | pubmed:year | 2000 | lld:pubmed |
pubmed-article:10918594 | pubmed:articleTitle | IFN-beta induces serine phosphorylation of Stat-1 in Ewing's sarcoma cells and mediates apoptosis via induction of IRF-1 and activation of caspase-7. | lld:pubmed |
pubmed-article:10918594 | pubmed:affiliation | INSERM U 365, Institut Curie, Paris, France. | lld:pubmed |
pubmed-article:10918594 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:10918594 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
entrez-gene:3456 | entrezgene:pubmed | pubmed-article:10918594 | lld:entrezgene |
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