pubmed-article:16251407 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:16251407 | lifeskim:mentions | umls-concept:C0012655 | lld:lifeskim |
pubmed-article:16251407 | lifeskim:mentions | umls-concept:C0026809 | lld:lifeskim |
pubmed-article:16251407 | lifeskim:mentions | umls-concept:C2709248 | lld:lifeskim |
pubmed-article:16251407 | lifeskim:mentions | umls-concept:C0596570 | lld:lifeskim |
pubmed-article:16251407 | lifeskim:mentions | umls-concept:C1710082 | lld:lifeskim |
pubmed-article:16251407 | lifeskim:mentions | umls-concept:C0040661 | lld:lifeskim |
pubmed-article:16251407 | lifeskim:mentions | umls-concept:C1705162 | lld:lifeskim |
pubmed-article:16251407 | pubmed:issue | 5 | lld:pubmed |
pubmed-article:16251407 | pubmed:dateCreated | 2005-10-27 | lld:pubmed |
pubmed-article:16251407 | pubmed:abstractText | The signal transducer and activator of transcription (Stat)-1 mediates growth arrest and apoptosis. We postulated that lung fibrosis characterized by excessive proliferation of lung fibroblasts would be enhanced in Stat1-deficient (Stat1-/-) mice. Two weeks after bleomycin aspiration (3 U/kg), Stat1-/- mice exhibited a more severe fibroproliferative response and significantly elevated total lung collagen compared to wild-type mice. Growth factors [epidermal growth factor (EGF) or platelet-derived growth factor (PDGF)] enhanced [3H]thymidine uptake in lung fibroblasts isolated from Stat1-/- mice compared to wild-type mice. Interferon (IFN)-gamma, which signals growth arrest via Stat1, inhibited EGF- or PDGF-stimulated mitogenesis in wild-type fibroblasts but enhanced [3H]thymidine uptake in Stat1-/- fibroblasts. Moreover, IFN-gamma treatment in the absence of growth factors induced a concentration-dependent increase in [3H]thymidine uptake in Stat1-/- but not wild-type fibroblasts. Mitogen-activated protein kinase (ERK-1/2) phosphorylation in response to PDGF or EGF did not differ among Stat1-/- and wild-type fibroblasts. However, Stat3 phosphorylation induced by PDGF, EGF, or IFN-gamma increased twofold in Stat1-/- fibroblasts compared to wild-type fibroblasts. Our findings indicate that Stat1-/- mice are more susceptible to bleomycin-induced lung fibrosis than wild-type mice due to 1) enhanced fibroblast proliferation in response to growth factors (EGF and PDGF), 2) stimulation of fibroblast growth by a Stat1-independent IFN-gamma signaling pathway, and 3) increased activation of Stat3. | lld:pubmed |
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pubmed-article:16251407 | pubmed:language | eng | lld:pubmed |
pubmed-article:16251407 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:16251407 | pubmed:citationSubset | AIM | lld:pubmed |
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pubmed-article:16251407 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:16251407 | pubmed:month | Nov | lld:pubmed |
pubmed-article:16251407 | pubmed:issn | 0002-9440 | lld:pubmed |
pubmed-article:16251407 | pubmed:author | pubmed-author:KleebergerSte... | lld:pubmed |
pubmed-article:16251407 | pubmed:author | pubmed-author:NyskaAbrahamA | lld:pubmed |
pubmed-article:16251407 | pubmed:author | pubmed-author:BonnerJames... | lld:pubmed |
pubmed-article:16251407 | pubmed:author | pubmed-author:RiceAnnette... | lld:pubmed |
pubmed-article:16251407 | pubmed:author | pubmed-author:IngramJennife... | lld:pubmed |
pubmed-article:16251407 | pubmed:author | pubmed-author:WaltersDianne... | lld:pubmed |
pubmed-article:16251407 | pubmed:author | pubmed-author:TaniYoshiroY | lld:pubmed |
pubmed-article:16251407 | pubmed:author | pubmed-author:Antao-Menezes... | lld:pubmed |
pubmed-article:16251407 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:16251407 | pubmed:volume | 167 | lld:pubmed |
pubmed-article:16251407 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:16251407 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:16251407 | pubmed:pagination | 1221-9 | lld:pubmed |
pubmed-article:16251407 | pubmed:dateRevised | 2009-11-19 | lld:pubmed |
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pubmed-article:16251407 | pubmed:year | 2005 | lld:pubmed |
pubmed-article:16251407 | pubmed:articleTitle | Susceptibility of signal transducer and activator of transcription-1-deficient mice to pulmonary fibrogenesis. | lld:pubmed |
pubmed-article:16251407 | pubmed:affiliation | CIIT Centers for Health Research, P.O. Box 12137, Research Triangle Park, NC 27709, USA. | lld:pubmed |
pubmed-article:16251407 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:16251407 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
pubmed-article:16251407 | pubmed:publicationType | Research Support, N.I.H., Intramural | lld:pubmed |