Association of BCL2-938C>A genetic polymorphism with glioma risk in Chinese Han population
Wei Li1, Chunfa Qian, Linxiong Wang
1Department of Geriatric Neurology, Nanjing Medical University Affiliated to Nanjing Brain Hospital, Nanjing, Jiangsu, 210029, People's Republic of China.
Abstract:
Glioma is the most common type of primary brain malignancy in adults. The anti-apoptotic protein B-cell lymphoma 2 (BCL2) has been implicated in the pathogenesis of glioma. This study aimed to evaluate the potential association between BCL2-938C>A genetic polymorphism and glioma susceptibility. This case-control study was conducted in Chinese Han populations consisting of 248 glioma cases and 252 cancer-free controls. The BCL2-938C>A genetic polymorphism was detected by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and verified using DNA sequencing methods. Our data suggested that the genotype/allele of BCL2-938C>A polymorphism were statistically associated with the increased risk of glioma where the risk of glioma for genotype AA or allele A is significantly higher than wild genotype CC (odds ratio (OR) = 2.23, 95% confidence interval (CI) 1.21-4.10, p = 0.009) or allele C (OR = 1.39, 95% CI 1.06-1.82, p = 0.016), respectively. In addition, the BCL2-938AA genotype was significantly more common in patients with glioblastoma and in patients with grade IV glioma. Our findings indicate that the BCL2-938C>A polymorphism is associated with the susceptibility to glioma in Chinese Han populations and might be used as molecular markers for evaluating glioma risk.
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