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Obesity and genetic polymorphism of ERCC2 and ERCC4 as modifiers of risk of breast cancer
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  • Published: 01 April 2005

Obesity and genetic polymorphism of ERCC2 and ERCC4 as modifiers of risk of breast cancer

  • Sang-Ah Lee1,
  • Kyoung-Mu Lee,
  • Woong-Yang Park,
  • Bongcheol Kim,
  • Jinwu Nam,
  • Keun-Young Yoo,
  • Dong-Young Noh,
  • Sei-Hyun Ahn,
  • Ari Hirvonen &
  • …
  • Daehee Kang 

Experimental & Molecular Medicine volume 37, pages 86–90 (2005)Cite this article

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Abstract

To evaluate the relationship of genetic polymorphisms of ERCC2 and ERCC4 genes, both involved in nucleotide excision repair (NER), and the risk of breast cancer, a hospital-based case-control study was conducted in Korea. Histologically confirmed breast cancer cases (n=574) and controls (n=502) with no present or previous history of cancer were recruited from three teaching hospitals in Seoul during 1995-2001. Information on selected characteristics was collected by interviewed questionnaire. ERCC2 Asp312Asn (G>A) was genotyped by single-base extension assay and ERCC4 Ser835Ser (T>C) by dynamic allele-specific hybridization system. Although no significant association was observed between the genetic polymorphisms and the risk of breast cancer, women with both ERCC2 A allele- and ERCC4 C allele-containing genotypes showed a 2.6-fold risk (95% CI: 1.02-6.48) of breast cancer compared to women concurrently carrying the ERCC2 GG and ERCC4 TT genotypes. The breast cancer risk increased as the number of "at risk" genotypes increased with a borderline significance (P for trend = 0.07). Interactive effect was also observed between ERCC4 genotype and body mass idnex (BMI) for the breast cancer risk; the ERCC4 C allele containing genotypes posed a 1.7-fold (95% CI: 0.96-2.93) breast cancer risk in obese women (BMI>25 kg/m2) with a borderline significance. Our finding suggests that the combined effect of ERCC2 Asp312Asn and ERCC4 Ser835Ser genotypes might be associated with breast cancer risk in Korean women.

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  1. Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea

    Sang-Ah Lee

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  1. Sang-Ah Lee
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This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lee, SA., Lee, KM., Park, WY. et al. Obesity and genetic polymorphism of ERCC2 and ERCC4 as modifiers of risk of breast cancer. Exp Mol Med 37, 86–90 (2005). https://doi.org/10.1038/emm.2005.12

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  • Published: 01 April 2005

  • Issue date: 01 April 2005

  • DOI: https://doi.org/10.1038/emm.2005.12

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Keywords

  • body mass index
  • breast neoplasms
  • DNA repair enzymes
  • ERCC4 protein

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