Source:http://linkedlifedata.com/resource/pubmed/id/17630856
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
7
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pubmed:dateCreated |
2007-7-16
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pubmed:abstractText |
The Bloom syndrome helicase BLM and the tumor-suppressor protein p53 play important roles in preserving genome integrity. Here, we knock out the genes for BLM and p53 in a human pre-B-cell line, Nalm-6. We show that p53 plays an important role in cell proliferation, but not apoptosis, when BLM is absent. Intriguingly, despite the apoptotic function of p53, BLM(/)TP53(/) cells were more sensitive than either single mutant to etoposide, an anticancer agent that poisons DNA topoisomerase II. Our results suggest a direct, BLM-independent role for p53 in etoposide-induced, topoisomerase II-mediated DNA damage in human cells.
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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
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pubmed:issn |
1044-5498
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
26
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
517-25
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pubmed:meshHeading |
pubmed-meshheading:17630856-Bloom Syndrome,
pubmed-meshheading:17630856-Cell Division,
pubmed-meshheading:17630856-Cell Line,
pubmed-meshheading:17630856-DNA Helicases,
pubmed-meshheading:17630856-DNA Repair,
pubmed-meshheading:17630856-Etoposide,
pubmed-meshheading:17630856-Gene Deletion,
pubmed-meshheading:17630856-Growth Disorders,
pubmed-meshheading:17630856-Humans,
pubmed-meshheading:17630856-Sister Chromatid Exchange,
pubmed-meshheading:17630856-Tumor Suppressor Protein p53
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pubmed:year |
2007
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pubmed:articleTitle |
Absence of p53 enhances growth defects and etoposide sensitivity of human cells lacking the Bloom syndrome helicase BLM.
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pubmed:affiliation |
Kihara Institute for Biological Research, Yokohama City University, Yokohama, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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