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The significance of MDM2 SNP309 and p53 Arg72Pro in young women with breast cancer
Linköping University, Department of Clinical and Experimental Medicine, Cell Biology. Linköping University, Faculty of Health Sciences.
University of Örebro.
Linköping University, Department of Clinical and Experimental Medicine. Linköping University, Faculty of Health Sciences.
2009 (English)In: ONCOLOGY REPORTS, ISSN 1021-335X, Vol. 22, no 3, 575-579 p.Article in journal (Refereed) Published
Abstract [en]

The p53 protein and its regulator MDM2 is central to tumorigenesis by directing cells to undergo cell cycle arrest and/or apoptosis in response to DNA damage or other stress signals. The genes encoding these proteins contain nucleotide variation (p53 codon 72, MDM2 SNP309) that influences cellular response. We examined the p53 codon 72 and MDM2 SNP309 to determine their implication with age of disease onset and risk of breast cancer in young women (andlt;= 36 years). No risk of breast cancer was observed for the genotypes of p53 and MDM2, however, a tendency (P=0.15) towards increased risk of early onset breast cancer was observed in carriers of two or more Pro and/or G alleles. We further calculated the influence on age at diagnosis. Cases were grouped according to the number of G and Pro alleles (0, 1, 2 or 3-4) and age at diagnosis. A significant trend towards decreased age at diagnosis with increased number of risk alleles was found (P=0.013). Our results suggest that p53 codon 72 and MDM2 SNP309 may be implicated in early onset breast cancer.

Place, publisher, year, edition, pages
2009. Vol. 22, no 3, 575-579 p.
Keyword [en]
breast cancer, early onset, age of onset, polymorphism, p53, MDM2, codon 72, SNP309
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-19992DOI: 10.3892/or_00000474OAI: oai:DiVA.org:liu-19992DiVA: diva2:232441
Available from: 2009-08-24 Created: 2009-08-24 Last updated: 2009-08-24

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Wingren, Sten

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
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  • Other style
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  • de-DE
  • en-GB
  • en-US
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  • nn-NB
  • sv-SE
  • Other locale
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  • html
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