Abstract
Esophageal squamous cell carcinoma (ESCC) is the dominant type of esophageal cancer in the East Asian population. MicroRNAs (miRNAs) have been studied to play important roles in tumorigenesis. Single nucleotide polymorphisms (SNPs) in miRNA lead to the aberrant expression and structural alteration of miRNA and are hypothesized to be involved in tumorigenesis and cancer development. We conducted a population-based case-control study to evaluate the association between SNPs in miRNAs and ESCC risk in 1400 ESCC cases and 2185 matched controls. Four SNPs including miR-196a2 rs11614913, miR-146a rs2910164, miR-499 rs3746444, and miR-423 rs6505162 were selected with comprehensive collection strategy and genotyped using the SNaPshot Multiplex System. Odds ratio (OR) and 95 % confidence interval (95 % CI) were used to assess the strength of association. The CC genotype of miR-196a2 rs11614913 was significantly associated with an increased ESCC risk compared with the TT genotype (OR 1.11, 95 % CI 1.01–1.22, P 0.049) and the TT/TC genotypes (OR 1.09, 95 % CI 1.01–1.19, P 0.043). The association was more pronounced in non-drinkers in the recessive model (OR 1.13, 95 % CI 1.01–1.27, P 0.029). A significantly increased risk of ESCC associated with miR-499 rs3746444 polymorphism was evident among patients who never smoking and drinking. This study suggests that miR-196a2 rs11614913 and miR-499 rs3746444 are associated with an increased ESCC risk in a Chinese population.
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Abbreviations
- CI:
-
Confidence interval
- ESCC:
-
Esophageal squamous cell carcinoma
- miRNA:
-
MicroRNA
- OR:
-
Odds ratio
- SNP:
-
Single nucleotide polymorphism
- ROC:
-
Receiver operating characteristic
- AUC:
-
Area under the curve
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Acknowledgments
This work was supported by the grant from the National Natural Science Foundation of China (grant number 81071957), National Natural Science Foundation of China (grant number 81572923), a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD), the Key Project in the National Science & Technology Pillar Program (grant number 2011BAI09B00), The Ministry of Health (grant number 201002007), and the funds from “China’s Thousand Talents Program” at Fudan University.
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LJ, JW, and MW designed the experiments. SG, JC, and MW selected SNP sites. FS, CW, DZ, MZ, and LF extracted genomic DNA from the samples and genotyping. SG, YZ, JZ, and JW performed the statistical analysis. FS, YZ, and JZ drafted the manuscript. JC, YY, XW, MW, MZ, and YX revised the manuscript. JW, QW, LJ, and JX collected and provided material samples and gave final approval of the version to be published. All authors read and approved the final manuscript.
Fangyuan Shen, Jiejun Chen and Shicheng Guo contributed equally to this work.
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Shen, F., Chen, J., Guo, S. et al. Genetic variants in miR-196a2 and miR-499 are associated with susceptibility to esophageal squamous cell carcinoma in Chinese Han population. Tumor Biol. 37, 4777–4784 (2016). https://doi.org/10.1007/s13277-015-4268-3
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DOI: https://doi.org/10.1007/s13277-015-4268-3