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Träfflista för sökning "WFRF:(McKay James D) ;srt2:(2005-2009);pers:(Tjonneland Anne)"

Sökning: WFRF:(McKay James D) > (2005-2009) > Tjonneland Anne

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  • Sinilnikova, Olga M., et al. (författare)
  • Haplotype-based analysis of common variation in the acetyl-CoA carboxyiase alpha gene and breast cancer risk: A case-control study nested within the European prospective investigation into cancer and nutrition
  • 2007
  • Ingår i: Cancer Epidemiology Biomarkers & Prevention. - 1538-7755. ; 16:3, s. 409-415
  • Tidskriftsartikel (refereegranskat)abstract
    • A key fatty acid synthesis enzyme, acetyl-CoA carboxylase alpha(ACC-alpha), has been shown to be highly expressed in human breast cancer and other tumor types and also to specifically interact with the protein coded by one of two major breast cancer susceptibility genes BRCA1. We used a comprehensive haplotype analysis to examine the contribution of the ACC-alpha common genetic variation (allele frequency > 5%) to breast cancer in a case-control study (1,588 cases/2,600 controls) nested within the European Prospective Investigation into Cancer and Nutrition. We identified 21 haplotypetagging polymorphisms efficiently capturing common variation within 325 kb of ACC-alpha and surrounding sequences using genotype data from the HapMap project and our resequencing data. We found an effect on overall risk of breast cancer in homozygous carriers of one common haplotype [odds ratio (OR), 1.74; 95% confidence interval (95% CI), 1.03-2.94]. When the data were subdivided by menopausal status, we found statistical evidence of heterogeneity for two other common haplotypes (P value for heterogeneity = 0.016 and 0.045). In premenopausal women, the carriers of these haplotypes, compared with noncarriers, had an altered risk of breast cancer (OR, 0.70; 95% CI, 0.53-0.92 and OR, 1.35; 95% CI, 1.04-1.76). These findings were not significant after adjustment for multiple testing and therefore should be considered as preliminary and evaluated in larger independent studies. However, they suggest a possible role of the ACC-alpha common sequence variants in susceptibility to breast cancer and encourage studies of other genes involved in fatty acid synthesis.
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