Int J Clin Exp Med
Department of Respiratory Medicine, West China Hospital of Sichuan University and Division of Pulmonary Diseases, State Key Laboratory of Biotherapy of China Chengdu 610041, China.
Published: January 2014
Background: The ICAM-1 +469 A/G polymorphism has been implicated in susceptibility to cancer, but the results were inconclusive. The present meta-analysis aimed to investigate the association between the ICAM-1 +469 A/G polymorphism and cancer risk.
Methods: We searched PubMed, Embase to identify studies that evaluated the association between the ICAM-1 +469 A/G polymorphism and cancer risk. Data were extracted and statistical analysis was performed by using the software Revman 5.1 and STATA 12.0.
Results: A total of 14 studies involving 9375 subjects were included. The results suggested that ICAM-1 +469 A/G polymorphism had no associated with cancer risk (OR=0.91, 95% CI: 0.76-1.08, P=0.27 for GG+AG vs. AA). Subgroup analysis by cancer type indicated the there was no associated between this polymorphism and breast cancer (OR=0.91, 95% CI: 0.72-1.15, P=0.43 for GG+AG vs. AA), but it was associated with decreased risk of colorectal cancer (OR=0.59, 95% CI: 0.41-0.85, P=0.005 for GG+AG vs. AA). Subgroup analysis by ethnicity revealed a decreased risk of cancer among Caucasians (OR=0.88, 95% CI: 0.78-0.99, P=0.03 for GG+AG vs.
Aa) Conclusion: The evidence from current meta-analysis doesn't support the ICAM-1 +469 A/G polymorphism as a risk factor for cancer. Further studies are needed to validate these findings.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3902244 | PMC |
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