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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1996-9-12
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pubmed:abstractText |
We evaluate the influence of IL-4, IL-10 and TGF-beta upon the release of IL-1 alpha, tumor necrosis factor-alpha (TNF-alpha), and IL-6 by lipopolisaccharide (LPS, 1 microgram/ml) stimulated alveolar macrophages (AM). IL-4 reduced TNF-alpha release, in a dose dependent manner, to 62% and IL-1 alpha release to 42% of LPS-stimulated AM without IL-4. IL-6 release was also suppressed (61%), however, with a biphasic dose response curve. IL-10 suppressed LPS induced release of IL-alpha and TNF-alpha to approximately 50% of control without affecting IL-6 release. When used at high concentrations, TGF-beta achieved moderate reductions of TNF-alpha and IL-1 alpha release. Low concentrations of LPS (0.1 microgram/ml), allowed a dose-dependent TGF-beta-induced suppression of TNF-alpha-release to approximately 80% of control. The combinations of IL-4 and IL-10 was more effective in suppressing IL-6 release, although the suppression was only weak. Other combinations of cytokines revealed no synergistic inhibitory activities. Our data demonstrate that IL-1 alpha and TNF-alpha release by AMs is down regulated by IL-4, IL-10, and TGF-beta. IL-6 release, however, can only be suppressed to some extent by a combination of IL-4 and IL-10.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
1148-5493
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
7
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
59-66
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:8704096-Bronchoalveolar Lavage Fluid,
pubmed-meshheading:8704096-Cytokines,
pubmed-meshheading:8704096-Down-Regulation,
pubmed-meshheading:8704096-Drug Synergism,
pubmed-meshheading:8704096-Humans,
pubmed-meshheading:8704096-Interleukin-10,
pubmed-meshheading:8704096-Interleukin-4,
pubmed-meshheading:8704096-Macrophages, Alveolar,
pubmed-meshheading:8704096-Secretory Rate,
pubmed-meshheading:8704096-Transforming Growth Factor beta
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pubmed:articleTitle |
Regulation of cytokine release by alveolar macrophages treated with interleukin-4, interleukin-10, or transforming growth factor beta.
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pubmed:affiliation |
Research Centre Borstel, Department of Clinical Medicine, Germany.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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