Journal
EUROPEAN JOURNAL OF CANCER
Volume 45, Issue 11, Pages 2023-2026Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ejca.2009.02.002
Keywords
MDM2; Polymorphism; Lung cancer; Susceptibility; Meta-analysis
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Published data on the association between MDM2 309 T/G polymorphism and lung cancer risk are inconclusive. To derive a more precise estimation of the relationship, a meta-analysis was performed. A total of eight studies including 6063 cases and 6678 controls were involved in this meta-analysis. Overall, significantly elevated lung cancer risk was associated with GG variant genotype in recessive model when all the eligible studies were pooled into the meta-analysis (OR = 1.17; 95% CI = 1.02-1.34; P-heterogeneity = 0.06). In the subgroup analysis by ethnicity, significantly increased risks were found among Asians for TG versus TT (OR = 1.20; 95% CI = 1.05-1.37; P-heterogeneity = 0.30), GG versus TT (OR = 1.34; 95% CI = 1.01-1.79; P-heterogeneity = 0.03) and dominant model (OR = 1.26; 95% CI = 1.11-1.43; P-heterogeneity = 0.14). However, no significant associations were found in both Europeans and Africans for all genetic models. This meta-analysis suggests that the MDM2 309G allele is a low-penetrant risk factor for developing lung cancer in Asians. (c) 2009 Elsevier Ltd. All rights reserved.
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