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Investigation of cyclin D1 rs9344 G>A polymorphism in colorectal cancer: a meta-analysis involving 13,642 subjects.


ABSTRACT: The relationship between cyclin D1 (CCND1) rs9344 G>A polymorphism and colorectal cancer (CRC) risk is still ambiguous. To obtain a precise estimation of the relationship, we performed an extensive meta-analysis based on the eligible studies. Crude odds ratios with their 95% confidence intervals were harnessed to determine the strength of correlation between CCND1 rs9344 G>A polymorphism and CRC risk under the allele, the homozygote, the dominant, and the recessive genetic models, respectively (28 studies with 5,784 CRC cases and 7,858 controls). Our results indicated evidence of the association between CCND1 rs9344 G>A polymorphism and the increased risk of CRC in four genetic models: A vs G, AA vs GG, AA+GA vs GG, and AA vs GA+GG. In a stratified analysis by cancer type of CRC, there was an increased risk of sporadic CRC found in three genetic models: A vs G, AA vs GG, and AA+GA vs GG. In a stratified analysis by ethnicity, there was an increased CRC risk found among Asians in allele comparison genetic models, as well as Caucasians in two genetic models: AA+GA vs GG and A vs T. In summary, this meta-analysis demonstrates that CCND1 rs9344 G>A polymorphism may be a risk factor for CRC.

SUBMITTER: Qiu H 

PROVIDER: S-EPMC5089821 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Investigation of <i>cyclin D1</i> rs9344 G>A polymorphism in colorectal cancer: a meta-analysis involving 13,642 subjects.

Qiu Hao H   Cheng Chengguo C   Wang Yafeng Y   Kang Mingqiang M   Tang Weifeng W   Chen Shuchen S   Gu Haiyong H   Liu Chao C   Chen Yu Y  

OncoTargets and therapy 20161027


The relationship between <i>cyclin D1</i> (<i>CCND1</i>) rs9344 G>A polymorphism and colorectal cancer (CRC) risk is still ambiguous. To obtain a precise estimation of the relationship, we performed an extensive meta-analysis based on the eligible studies. Crude odds ratios with their 95% confidence intervals were harnessed to determine the strength of correlation between <i>CCND1</i> rs9344 G>A polymorphism and CRC risk under the allele, the homozygote, the dominant, and the recessive genetic m  ...[more]

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