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Predicate | Object |
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rdf:type | |
lifeskim:mentions |
umls-concept:C0021760,
umls-concept:C0023810,
umls-concept:C0026336,
umls-concept:C0032172,
umls-concept:C0036536,
umls-concept:C0036537,
umls-concept:C0175697,
umls-concept:C0205263,
umls-concept:C0235480,
umls-concept:C0279389,
umls-concept:C0591833,
umls-concept:C0812246,
umls-concept:C1456820,
umls-concept:C1515655,
umls-concept:C1533691,
umls-concept:C2697656
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pubmed:issue |
1-2
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pubmed:dateCreated |
1991-9-23
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pubmed:abstractText |
The interrelation between TNF, IL-6, and PAF secretion in an in vivo and in vitro murine model was studied. Mice were injected with LPS, giving rise to considerable TNF and IL-6 serum levels. To determine the influence of TNF production on the IL-6 secretion, one group of mice was treated with an anti-TNF mAb before LPS administration. The LPS-induced IL-6 secretion was reduced to 48% in the anti-TNF-pretreated group. Parallel to the in vivo experiments, cultures of murine peritoneal macrophages were stimulated with LPS. IL-6 secretion was diminished for 25% in presence of anti-TNF mAb. Further, the role of PAF released in response to a challenge with LPS in the regulation of TNF and IL-6 production was investigated. TNF secretion was strongly reduced when cultures of peritoneal macrophages were stimulated with LPS in the presence of a PAF antagonist, whereas IL-6 secretion was not altered by the PAF antagonist. However, pretreatment of mice with a PAF antagonist did not influence serum TNF, nor serum IL-6 levels induced by LPS injection. These data show that TNF was an intermediate in the induction of IL-6 production in vivo and in vitro. PAF played a central role in the TNF release in the in vitro experiments. This could, however, not be established in vivo. LPS-induced PAF secretion was not involved in the regulation of IL-6 secretion.
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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:month |
Apr
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pubmed:issn |
1056-5477
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
10
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
127-31
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:1873355-Animals,
pubmed-meshheading:1873355-Biological Assay,
pubmed-meshheading:1873355-Cells, Cultured,
pubmed-meshheading:1873355-Disease Models, Animal,
pubmed-meshheading:1873355-Enzyme-Linked Immunosorbent Assay,
pubmed-meshheading:1873355-Female,
pubmed-meshheading:1873355-Interleukin-6,
pubmed-meshheading:1873355-Lipopolysaccharides,
pubmed-meshheading:1873355-Mice,
pubmed-meshheading:1873355-Platelet Activating Factor,
pubmed-meshheading:1873355-Shock, Septic,
pubmed-meshheading:1873355-Tumor Necrosis Factor-alpha
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pubmed:year |
1991
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pubmed:articleTitle |
The interrelation between TNF, IL-6, and PAF secretion induced by LPS in an in vivo and in vitro murine model.
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pubmed:affiliation |
Department of Surgery, Biomedical Center, University of Limburg, Maastricht, The Netherlands.
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pubmed:publicationType |
Journal Article,
Comparative Study
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