| Hepatocyte growth factor modulates interleukin-6 production in bone marrow derived macrophages: implications for inflammatory mediated diseases. | |
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MedLine Citation:
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PMID: 21072211 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The generation of the pro-inflammatory cytokines IL-6, TNF-α, and IL-1β fuel the acute phase response (APR). To maintain body homeostasis, the increase of inflammatory proteins is resolved by acute phase proteins via presently unknown mechanisms. Hepatocyte growth factor (HGF) is transcribed in response to IL-6. Since IL-6 production promotes the generation of HGF and induces the APR, we posited that accumulating HGF might be a likely candidate for quelling excess inflammation under non-pathological conditions. We sought to assess the role of HGF and how it influences the regulation of inflammation utilizing a well-defined model of inflammatory activation, lipopolysaccharide (LPS)-stimulation of bone marrow derived macrophages (BMM). BMM were isolated from C57BL6 mice and were stimulated with LPS in the presence or absence of HGF. When HGF was present, there was a decrease in production of the pro-inflammatory cytokine IL-6, along with an increase in the anti-inflammatory cytokine IL-10. Altered cytokine production correlated with an increase in phosphorylated GSK3β, increased retention of the phosphorylated NFκB p65 subunit in the cytoplasm, and an enhanced interaction between CBP and phospho-CREB. These changes were a direct result of signaling through the HGF receptor, MET, as effects were reversed in the presence of a selective inhibitor of MET (SU11274) or when using BMM from macrophage-specific conditional MET knockout mice. Combined, these data provide compelling evidence that under normal circumstances, HGF acts to suppress the inflammatory response. |
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Authors:
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Gina M Coudriet; Jing He; Massimo Trucco; Wendy M Mars; Jon D Piganelli |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-11-02 |
Journal Detail:
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Title: PloS one Volume: 5 ISSN: 1932-6203 ISO Abbreviation: PLoS ONE Publication Date: 2010 |
Date Detail:
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Created Date: 2010-11-12 Completed Date: 2011-04-27 Revised Date: 2011-11-02 |
Medline Journal Info:
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Nlm Unique ID: 101285081 Medline TA: PLoS One Country: United States |
Other Details:
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Languages: eng Pagination: e15384 Citation Subset: IM |
Affiliation:
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Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, United States of America. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Blotting, Western Bone Marrow Cells / drug effects*, metabolism Cells, Cultured Cyclic AMP Response Element-Binding Protein / metabolism Dose-Response Relationship, Drug Female Glycogen Synthase Kinase 3 / metabolism Hepatocyte Growth Factor / pharmacology* Immunoprecipitation Indoles / pharmacology Inflammation / metabolism Interleukin-6 / biosynthesis* Lipopolysaccharides / pharmacology Macrophages / cytology, drug effects*, metabolism Male Membrane Proteins / metabolism Mice Mice, 129 Strain Mice, Inbred C57BL Mice, Knockout Phosphoproteins / metabolism Phosphorylation / drug effects Piperazines / pharmacology Protein Binding / drug effects Proto-Oncogene Proteins c-met / genetics, metabolism Sulfonamides / pharmacology Transcription Factor RelA / metabolism |
| Chemical | |
Reg. No./Substance:
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0/((3Z)-N-(3-chlorophenyl)-3-((3,5-dimethyl-4-((4-methylpiperazin-1-yl)carbonyl)-1H-pyrrol-2-yl)methylene)-N-methyl-2-oxo-2,3-dihydro-1H-indole-5-sulfonamide); 0/Creb1 protein, mouse; 0/Cyclic AMP Response Element-Binding Protein; 0/Indoles; 0/Interleukin-6; 0/Lipopolysaccharides; 0/Membrane Proteins; 0/Pag1 protein, mouse; 0/Phosphoproteins; 0/Piperazines; 0/Sulfonamides; 0/Transcription Factor RelA; 67256-21-7/Hepatocyte Growth Factor; EC 2.7.10.1/Proto-Oncogene Proteins c-met; EC 2.7.11.1/glycogen synthase kinase 3 beta; EC 2.7.11.26/Glycogen Synthase Kinase 3 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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