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Polymorphisms in resulting in aberrant codon-usage and their analysis on familial breast cancer risk

  • Yang, Rongxi
  • Chen, Bowang
  • Hemminki, Kari
  • Wappenschmidt, Barbara
  • Engel, Christoph
  • Sutter, Christian
  • Ditsch, Nina
  • Weber, Bernhard H. F.
  • Niederacher, Dieter
  • Arnold, Norbert
  • Meindl, Alfons
  • Bartram, Claus R.
  • Schmutzler, Rita K.
  • Burwinkel, Barbara
Publication Date
Feb 20, 2009
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Mutations in and are associated with increased breast cancer risk. While numerous non-synonymous SNPs in have been investigated for breast cancer risk, the impact of synonymous SNPs has not been studied so far. Recently, it has been reported that synonymous SNPs leading to an aberration from the preferred codon-usage can have functional effects and consequently be associated with disease. This motivated us to search for SNPs with the tendency to differential codon-usage in Based on defined criteria, two codon-usage-changing variants, Ser455Ser (1365A > G) and Ser2414Ser (7242A > G), were detected in , whereas no such variant could be identified in . We investigated the impact of these variants on breast cancer risk in a large case–control study. However, both SNPs, Ser2414Ser (7242A > G) and Ser455Ser (1365A > G), showed no association with breast cancer risk. This indicates that these codon-usage-changing SNPs have no major impact on familial breast cancer risk.

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