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Association between 5p12 genomic markers and breast cancer susceptibility: evidence from 19 case-control studies.


ABSTRACT:

Background

The association between polymorphisms on 5p12 and breast cancer (BC) has been widely evaluated since it was first identified through genome-wide association approach; however, the studies have yielded contradictory results. We sought to investigate this inconsistency by performing a comprehensive meta-analysis on two wildly studied polymorphisms (rs10941679 and rs4415084) on 5p12.

Methods

Databases including Pubmed, EMBASE, Web of Science, EBSCO, and Cochrane Library databases were searched to find relevant studies. Odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the strength of association. The random-effects model was applied, addressing heterogeneity and publication bias.

Results

A total of 19 articles involving 100,083 cases and 163,894 controls were included. An overall random-effects per-allele OR of 1.09 (95% CI: 1.06-1.12; P = 4.5 × 10(-8)) and 1.09 (95% CI: 1.05-1.12; P = 4.2 × 10(-7)) was found for the rs10941679 and rs4415084 polymorphism respectively. Significant results were found in Asians and Caucasians when stratified by ethnicity; whereas no significant associations were found among Africans/African-Americans. Similar results were also observed using dominant or recessive genetic models. In addition, we find both rs4415084 and rs10941679 conferred significantly greater risks of ER-positive breast cancer than of ER-negative tumors.

Conclusions

Our findings demonstrated that rs10941679-G allele and rs4415084-T allele might be risk-conferring factors for the development of breast cancer, especially in Caucasians and East-Asians.

SUBMITTER: Wang X 

PROVIDER: S-EPMC3765311 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Publications

Association between 5p12 genomic markers and breast cancer susceptibility: evidence from 19 case-control studies.

Wang Xiaofeng X   Zhang Liang L   Chen Zixian Z   Ma Yushui Y   Zhao Yuan Y   Rewuti Abudouaini A   Zhang Feng F   Fu Da D   Han Yusong Y  

PloS one 20130906 9


<h4>Background</h4>The association between polymorphisms on 5p12 and breast cancer (BC) has been widely evaluated since it was first identified through genome-wide association approach; however, the studies have yielded contradictory results. We sought to investigate this inconsistency by performing a comprehensive meta-analysis on two wildly studied polymorphisms (rs10941679 and rs4415084) on 5p12.<h4>Methods</h4>Databases including Pubmed, EMBASE, Web of Science, EBSCO, and Cochrane Library da  ...[more]

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