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  • Title: The cyclin D1 (CCND1) G870A polymorphism and lung cancer susceptibility: a meta-analysis.
    Author: Zhou C, An H, Hu M, Liu Q, Geng P, Xu J, Sun B, Liu C.
    Journal: Tumour Biol; 2013 Dec; 34(6):3831-7. PubMed ID: 23873109.
    Abstract:
    Several studies have investigated the association between Cyclin D1 (CCND1) G870A genetic polymorphism and lung cancer susceptibility, but the results were inconclusive. The aim of this meta-analysis was to summarize available evidence for such a relationship. The reviewers made use of MEDLINE, EMBASE, and BIOSIS databases. The relevant data were independently extracted by two reviewers. The odds ratio (OR) with 95% confidence interval (CI) was selected as the principal outcome measure. The heterogeneity test, the publication bias test, and the sensitivity analysis were performed. Overall, a total of 10 case-control studies were included. Our meta-analysis indicated that CCND1 G870A genetic polymorphism was a risk factor for lung cancer under homozygote model (OR = 1.18; 95% CI = 1.02, 1.37), recessive model (OR = 1.21; 95% CI = 1.03, 1.41), and allele model (OR = 1.11; 95% CI = 1.02, 1.21). In the subgroup analysis by source of ethnicity, a statistical increase of lung cancer risk was found among Asian groups for allele model (OR = 1.11; 95% CI = 1.01-1.22). The present meta-analysis suggests that CCND1 G870A polymorphism may be a risk factor for lung cancer. Besides, allele A may contribute to increased lung cancer risk.
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