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. 2017 Nov 24;8(66):110153-110165.
doi: 10.18632/oncotarget.22656. eCollection 2017 Dec 15.

Association of ALDH3B2 gene polymorphism and risk factors with susceptibility of esophageal squamous cell carcinoma in a Chinese population: a case-control study involving 2,358 subjects

Jun Yin #  1   2 , Weifeng Tang #  1 , Tao Long #  1 , Huiwen Pan  1 , Jianchao Liu  1 , Lu Lv  1 , Chao Liu  1 , Yijun Shi  1 , Jingfeng Zhu  1 , Yangyong Sun  1 , Aizhong Shao  1 , Qiang Zhou  1 , Zhengbing Ren  1 , Guowen Ding  1 , Suocheng Chen  1 , Yan Liu  3 , Jun Yao  4 , Hao Ding  5 , Yulan Yan  5 , Haiyong Gu  6 , Cheng Qian  2 , Liming Wang  7 , Qun Wang  2 , Lijie Tan  2
Affiliations

Association of ALDH3B2 gene polymorphism and risk factors with susceptibility of esophageal squamous cell carcinoma in a Chinese population: a case-control study involving 2,358 subjects

Jun Yin et al. Oncotarget. .

Abstract

Background: Esophageal cancer (EC) is the sixth leading cause of cancer-associated death worldwide. The interaction of environmental risk factors and genetic factors might contribute to the carcinogenesis of EC synergistically.

Results: All seven single locus polymorphisms of ALDH3B2 were not associated with risk of ESCC as evaluated by allelic, dominant, co-dominant, recessive and Cochran-Armitage trend tests. Stratified analyses showed these SNPs were not correlated with the susceptibility of ESCC according to different age, gender, cigarette smoking and alcohol drinking status. None of the major haplotypes were related with ESCC susceptibility.

Materials and methods: We conducted a hospital-based case-control study to evaluate the combined effects of environmental risk factors and the single nucleotide polymorphisms (SNPs) of ALDH3B2 gene on the development of esophageal squamous carcinoma (ESCC). A total of 1043 ESCC cases and 1315 controls were recruited for this study. Seven ALDH3B2 SNPs and four environmental factors were selected as independent variables. ALDH3B2 SNPs were determined by ligation detection reaction method.

Conclusions: Our study suggested that ALDH3B2 rs34589365, rs3741172, rs4646823, rs78402723, rs7947978, rs866907 and rs9787887 polymorphisms were not implicated with altered susceptibility of ESCC according to different age, gender, cigarette smoking and alcohol drinking status. Yet this conclusion needs to be verified in larger studies among different ethnic populations with validation design, the biological function of these SNPs in carcinogenesis are subject to further investigation.

Keywords: ALDH3B2; esophageal squamous cell carcinoma; polymorphisms; risk factors.

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Conflict of interest statement

CONFLICTS OF INTEREST The authors declare no conflicts of interests.

Figures

Figure 1
Figure 1. D' > 0, r2 > 0: There were linkage disequilibrium correlations among different loci; D' > 70%, r2 > 30%
There were closer linkage disequilibrium correlations among different loci.
Figure 2
Figure 2. D' > 0, r2 > 0: There were linkage disequilibrium correlations among different loci; D' > 70% (0.7), r2 > 30% (0.3)
There were closer linkage disequilibrium correlations among different loci.
See this image and copyright information in PMC

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