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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1998-10-28
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pubmed:abstractText |
We have isolated NIH-3T3 cell lines overexpressing the nuclear 24-kDa isoform of fibroblast growth factor (FGF)-2 and characterized its regulatory effect on the expression of interleukin-6 (IL-6) in these cells. The clone pRF5 expressing the highest level was able to grow in 1% serum medium to a high saturation density and acquired a radioresistance advantage. In pRF5 and another clone pRF1, IL-6 RNA levels were markedly increased. Studies with IL-6 promoter constructs revealed that IL-6 gene up-regulation occurred at the transcriptional level and did not involve the AP-1 binding site. Exogenously added 18-kDa isoform of FGF-2 (100 ng/ml) produced down-regulation of IL-6 involving an AP-1 binding site, thus suggesting a receptor-independent pathway for the intracellular 24-kDa isoform.
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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 |
Sep
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pubmed:issn |
0014-5793
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
25
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pubmed:volume |
436
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
17-22
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pubmed:dateRevised |
2008-11-21
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pubmed:meshHeading |
pubmed-meshheading:9771886-3T3 Cells,
pubmed-meshheading:9771886-Animals,
pubmed-meshheading:9771886-Cell Line,
pubmed-meshheading:9771886-Fibroblast Growth Factor 2,
pubmed-meshheading:9771886-Gene Expression Regulation,
pubmed-meshheading:9771886-Interleukin-6,
pubmed-meshheading:9771886-Isomerism,
pubmed-meshheading:9771886-Mice,
pubmed-meshheading:9771886-Promoter Regions, Genetic,
pubmed-meshheading:9771886-Recombinant Proteins,
pubmed-meshheading:9771886-Transcription, Genetic,
pubmed-meshheading:9771886-Transcription Factor AP-1,
pubmed-meshheading:9771886-Transfection,
pubmed-meshheading:9771886-Up-Regulation
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pubmed:year |
1998
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pubmed:articleTitle |
Overexpression of the FGF-2 24-kDa isoform up-regulates IL-6 transcription in NIH-3T3 cells.
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pubmed:affiliation |
INSERM U397, Institut Louis Bugnard, CHU Rangueil, Toulouse, France.
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pubmed:publicationType |
Journal Article
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