Abstract
A number of case–control studies have been conducted to investigate the association of CDKN1B gene polymorphisms with breast cancer. However, these studies reported conflicting results. The aim of our study was to quantitatively summarize the association of CDKN1B gene polymorphisms with breast cancer. Systemic searches of the PubMed, Excerpta Medica Database, and Chinese Biomedical Literature Database databases were performed, with the last report up to Oct 2012. Odds ratios (ORs) with 95 % confidence intervals (CIs) were used to assess the strength of the association. Seven studies including 6,822 cases and 7,186 controls were involved in this meta-analysis, which was performed for two CDKN1B gene polymorphisms (rs2066827 and rs34330). Significant association was found for rs34330 polymorphism (T versus C: OR = 1.10, 95 % CI = 1.03–1.18, P = 0.003; CT + TT versus CC: OR = 1.38, 95 % CI = 0.98–1.93, P = 0.07; TT versus CC + CT: OR = 1.06, 95 % CI = 0.93–1.21, P = 0.38; TT versus CC: OR = 1.23, 95 % CI = 1.04–1.45, P = 0.02; CT versus CC: OR = 1.42, 95 % CI = 0.97–2.09, P = 0.07), but not for rs2066827 polymorphism (G versus T: OR = 0.99, 95 % CI = 0.91–1.08, P = 0.84; TG + GG versus TT: OR = 0.98, 95 % CI = 0.89–1.08, P = 0.69; GG versus TT + TG: OR = 1.04, 95 % CI = 0.83–1.30, P = 0.75; GG versus TT: OR = 1.03, 95 % CI = 0.82–1.30, P = 0.77; TG versus TT: OR = 0.97, 95 % CI = 0.88–1.08, P = 0.58). This meta-analysis suggests that breast cancer may be associated with CDKN1B gene rs34330 polymorphism, but not rs2066827 polymorphism.
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Xiang, H., Li, H., Ge, W. et al. Association of CDKN1B gene polymorphisms with susceptibility to breast cancer: a meta-analysis. Mol Biol Rep 40, 6371–6377 (2013). https://doi.org/10.1007/s11033-013-2751-8
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DOI: https://doi.org/10.1007/s11033-013-2751-8