rdf:type |
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lifeskim:mentions |
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pubmed:issue |
1-3
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pubmed:dateCreated |
2002-7-18
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pubmed:abstractText |
To test the involvement of the telomeres in the senescent phenotype, we used telomerase-immortalized human foreskin fibroblasts (hTERT-BJ1). We exposed hTERT-BJ1 and parental BJ cells to either UVB or H(2)O(2) subcytotoxic stress(es). Both cell lines developed biomarkers of replicative senescence: loss of replicative potential, increase in senescence-associated beta-galactosidase activity, typical senescence-like morphology, overexpression of p21(WAF-1) and p16(INK-4a), and decreased level of the hyperphosphorylated form of pRb. Telomere shortening was slightly higher under stress for both BJ and hTERT-BJ1 but still much lower than that reported for other cell lines. We conclude that pathways alternative to telomere shortening must cause the appearance of the senescence phenotype.
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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 |
Jul
|
pubmed:issn |
0014-5793
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pubmed:author |
|
pubmed:issnType |
Print
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pubmed:day |
17
|
pubmed:volume |
523
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pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
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pubmed:pagination |
157-62
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pubmed:dateRevised |
2008-11-21
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pubmed:meshHeading |
pubmed-meshheading:12123824-Cell Aging,
pubmed-meshheading:12123824-Cell Line,
pubmed-meshheading:12123824-Cyclin-Dependent Kinase Inhibitor p16,
pubmed-meshheading:12123824-Cyclin-Dependent Kinase Inhibitor p21,
pubmed-meshheading:12123824-Cyclins,
pubmed-meshheading:12123824-Fibroblasts,
pubmed-meshheading:12123824-Humans,
pubmed-meshheading:12123824-Hydrogen Peroxide,
pubmed-meshheading:12123824-Phosphorylation,
pubmed-meshheading:12123824-Retinoblastoma Protein,
pubmed-meshheading:12123824-Skin,
pubmed-meshheading:12123824-Stress, Physiological,
pubmed-meshheading:12123824-Telomerase,
pubmed-meshheading:12123824-Telomere,
pubmed-meshheading:12123824-Transfection,
pubmed-meshheading:12123824-Tumor Suppressor Protein p53,
pubmed-meshheading:12123824-Ultraviolet Rays
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pubmed:year |
2002
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pubmed:articleTitle |
Stress-induced premature senescence in BJ and hTERT-BJ1 human foreskin fibroblasts.
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pubmed:affiliation |
Research Unit on Cellular Biology, Department of Biology, University of Namur (FUNDP), Rue de Bruxelles 61, 5000, Namur, Belgium.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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