TGFB1 polymorphisms are associated with risk of late normal tissue complications in the breast after radiotherapy for early stage breast cancer

TGFB1 polymorphisms are associated with risk of late normal tissue complications in the breast after radiotherapy for early stage breast cancer

Recent studies suggest that normal tissue radiosensitivity is influenced by single nucleotide polymorphisms (SNPs) in certain genes. In order to seek a confirmation of these findings, this study investigated SNPs in genes TGFB1 (position -509, codon 10 and codon 25), SOD2 (codon 16), XRCC1 (codon 39...

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Main Authors: Andreassen, C.N (Author), Alsner, J. (Author), Overgaard, J. (Author), Herskind, C. (Author), Haviland, J.S (Author), Owen, R. (Author), Homewood, J. (Author), Bliss, J. (Author), Yarnold, J. (Author)
Format: Article
Language:English
Published: 2005.
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Summary:Recent studies suggest that normal tissue radiosensitivity is influenced by single nucleotide polymorphisms (SNPs) in certain genes. In order to seek a confirmation of these findings, this study investigated SNPs in genes TGFB1 (position -509, codon 10 and codon 25), SOD2 (codon 16), XRCC1 (codon 399), XRCC3 (codon 241), APEX (codon 148) and ATM (codon 1853) in 26 breast cancer patients with marked changes in breast appearance after radiotherapy and 26 matched controls. Statistically significant associations were found between the TGFB1 codon 10 Pro allele (P=0.005) as well as the TGFB1 position -509 T allele (P=0.018) and increased risk of altered breast appearance. No significant associations were found for the remaining SNPs.

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