Chinese Journal of Cancerindexed by SCI
《癌症》杂志
BMC

doi: 10.5732/cjc.013.10060
Re-evaluation of ABO gene polymorphisms detected in a genome-wide association study and risk of pancreatic ductal adenocarcinoma in a Chinese population
Hong-Li Xu, Jia-Rong Cheng, Wei Zhang, Jing Wang, Herbert Yu, Quan-Xing Ni, Harvey A. Risch, Yu-Tang Gao
Department of Epidemiology, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200032, P. R. China
[Abstract] Pancreatic cancer is a fatal malignancy with an increasing incidence in Shanghai, China. A genome-wide association study (GWAS) and other work have shown that ABO alleles are associated with pancreatic cancer risk. We conducted a population-based case-control study involving 256 patients with pathologically confirmed pancreatic ductal adenocarcinoma (PDAC) and 548 healthy controls in Shanghai, China, to assess the relationships between GWAS-identified ABO alleles and risk of PDAC. Carriers of the C allele of rs505922 had an increased cancer risk [adjusted odds ratio (OR) = 1.42, 95% confidence interval (CI): 1.02-1.98] compared to TT carriers. The T alleles of rs495828 and rs657152 were also significantly associated with an elevated cancer risk (adjusted OR = 1.58, 95% CI: 1.17-2.14; adjusted OR = 1.51, 95% CI: 1.09-2.10). The rs630014 variant was not associated with risk. We did not find any significant gene-environment interaction with cancer risk using a multifactor dimensionality reduction (MDR) method. Haplotype analysis also showed that the haplotype CTTC was associated with an increased risk of PDAC (adjusted OR = 1.46, 95% CI: 1.12-1.91) compared with haplotype TGGT. GWAS-identified ABO variants are thus also associated with risk of PDAC in the Chinese population.
Chinese Journal of Cancer 2014, Volume: 33, Issue 2, Page: 68-73
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Hong-Li Xu, Jia-Rong Cheng, Wei Zhang, Jing Wang, Herbert Yu, Quan-Xing Ni, Harvey A. Risch, Yu-Tang Gao. Re-evaluation of ABO gene polymorphisms detected in a genome-wide association study and risk of pancreatic ductal adenocarcinoma in a Chinese population. Chin J Cancer. 2014, 33(2):68-73. doi:10.5732/cjc.013.10060


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