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A functional promoter polymorphism in the TERT gene does not affect inherited susceptibility to breast cancer
Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld ,Heidelberg, Germany.
Division of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld, Heidelberg, Germany.
Department of Molecular Biology, Center of Oncology, Maria Sklodowska-Curie Institute, Gliwice, Poland.
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Oncology.
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2009 (English)In: Cancer Genetics and Cytogenetics, ISSN 0165-4608, E-ISSN 1873-4456, Vol. 190, no 2, 71-74 p.Article in journal (Refereed) Published
Abstract [en]

Telomere dysfunction is a key mechanism in cancer development. The human telomerase reverse transcriptase (TERT) is the rate-limiting catalytic subunit of the telomerase enzyme, which is necessary for the maintenance of telomere DNA length, chromosomal stability, and cellular immortality. In our attempt to identify functional polymorphisms in the TERT gene and their effect on breast cancer risk, we sequenced the promoter of the gene and identified three single nucleotide polymorphisms (SNPs) with a frequency of at least 10%. One of these SNPs, rs2853669 (-244 T > C), has been shown to affect telomerase activity and telomere length. Recently, this SNP has been suggested to affect familial breast cancer risk. In our case-control study using two large breast cancer sample series, including one with 841 cases with inherited susceptibility to breast cancer, we did not find any association with familial or sporadic breast cancer risk. This well-powered study excludes an effect of the functional -244 T > C SNP and two other correlated SNPs on breast cancer risk.

Place, publisher, year, edition, pages
Elsevier, 2009. Vol. 190, no 2, 71-74 p.
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Cancer and Oncology Nutrition and Dietetics
URN: urn:nbn:se:umu:diva-22454DOI: 10.1016/j.cancergencyto.2008.12.006PubMedID: 19380022OAI: diva2:216685
Available from: 2009-05-11 Created: 2009-05-11 Last updated: 2012-06-04Bibliographically approved

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