| pubmed-article:7890313 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:7890313 | lifeskim:mentions | umls-concept:C0086418 | lld:lifeskim |
| pubmed-article:7890313 | lifeskim:mentions | umls-concept:C0596995 | lld:lifeskim |
| pubmed-article:7890313 | lifeskim:mentions | umls-concept:C0021760 | lld:lifeskim |
| pubmed-article:7890313 | lifeskim:mentions | umls-concept:C0033268 | lld:lifeskim |
| pubmed-article:7890313 | pubmed:issue | 3 | lld:pubmed |
| pubmed-article:7890313 | pubmed:dateCreated | 1995-4-20 | lld:pubmed |
| pubmed-article:7890313 | pubmed:abstractText | Several recent studies have shown that some inflammatory myopathies are autoimmune diseases. It is possible that certain alterations in the muscle-immune cell microenvironment and in the local production of cytokines could take part in the pathogenesis of inflammatory myopathies. In the present study we investigated the effects of tumor necrosis factor-alpha (TNF-alpha) and interferon-gamma (IFN-gamma) on the secretion of interleukin-6 (IL-6) by myoblasts. Purified human myoblasts from normal subjects and from patients with polymositis were cultured in the presence of TNF-alpha and IFN-gamma at two concentrations (100 and 200 U/ml), alone or in combination, for 12, 24 and 48 h. The supernatants were collected and the IL-6 concentrations tested by ELISA (Genzyme). We found that myoblasts secrete IL-6 constitutively. The secretion of IL-6 was greatly increased by TNF-alpha; the increase was both time- and dose-dependent. IFN-gamma caused a moderate increase in IL-6 secretion, but this effect was not significant, despite a slight positive trend over time. There was no synergism in the effect of IFN-gamma and TNF-alpha. It is known that inflammatory myopathies are characterized by mononuclear cell infiltration and muscle regeneration: myoblasts are present in infiltrated tissues. Thus, the local production of cytokines that characterizes the inflammatory reaction, could stimulate myoblasts to secrete IL-6, which might add to the pro-inflammatory effects of IL-6 produced by activated macrophages and T cells. | lld:pubmed |
| pubmed-article:7890313 | pubmed:language | eng | lld:pubmed |
| pubmed-article:7890313 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:7890313 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:7890313 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:7890313 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:7890313 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:7890313 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:7890313 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:7890313 | pubmed:issn | 0165-2478 | lld:pubmed |
| pubmed-article:7890313 | pubmed:author | pubmed-author:MichaelisDD | lld:pubmed |
| pubmed-article:7890313 | pubmed:author | pubmed-author:BartoccioniEE | lld:pubmed |
| pubmed-article:7890313 | pubmed:author | pubmed-author:HohlfeldRR | lld:pubmed |
| pubmed-article:7890313 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:7890313 | pubmed:volume | 42 | lld:pubmed |
| pubmed-article:7890313 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:7890313 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:7890313 | pubmed:pagination | 135-8 | lld:pubmed |
| pubmed-article:7890313 | pubmed:dateRevised | 2008-11-21 | lld:pubmed |
| pubmed-article:7890313 | pubmed:meshHeading | pubmed-meshheading:7890313-... | lld:pubmed |
| pubmed-article:7890313 | pubmed:meshHeading | pubmed-meshheading:7890313-... | lld:pubmed |
| pubmed-article:7890313 | pubmed:meshHeading | pubmed-meshheading:7890313-... | lld:pubmed |
| pubmed-article:7890313 | pubmed:meshHeading | pubmed-meshheading:7890313-... | lld:pubmed |
| pubmed-article:7890313 | pubmed:meshHeading | pubmed-meshheading:7890313-... | lld:pubmed |
| pubmed-article:7890313 | pubmed:meshHeading | pubmed-meshheading:7890313-... | lld:pubmed |
| pubmed-article:7890313 | pubmed:meshHeading | pubmed-meshheading:7890313-... | lld:pubmed |
| pubmed-article:7890313 | pubmed:year | 1994 | lld:pubmed |
| pubmed-article:7890313 | pubmed:articleTitle | Constitutive and cytokine-induced production of interleukin-6 by human myoblasts. | lld:pubmed |
| pubmed-article:7890313 | pubmed:affiliation | Institute of General Pathology, Catholic University, Rome, Italy. | lld:pubmed |
| pubmed-article:7890313 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:7890313 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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