Dataset Information

Association of NER pathway gene polymorphisms with susceptibility to laryngeal cancer in a Chinese population.

ABSTRACT: We systematically analyzed the association of nine SNPs of seven key NER pathway genes with the development of laryngeal cancer patients, and investigated whether NER pathway polymorphisms could serve as potential biomarkers for laryngeal cancer risk. 271 patients with pathologically proven laryngeal cancer and 271 control subjects were included in our study. Genotyping of ERCC1 rs11615 and rs2298881, ERCC2 rs13181 and rs50871, ERCC3 rs4150441, ERCC4 rs6498486, ERCC5 rs2094258, XPA rs2808668 and XPC rs2228001 were analyzed by polymerase chain reaction (PCR) coupled with restriction fragment length polymorphism (RFLP). By conditional logistic regression analysis, individuals carrying the TT genotype of ERCC1 rs11615 were correlated with an increased risk of larynx cancer when compared with the CC genotype (OR=1.89, 95% CI=1.07-3.37; P value=0.02). Moreover, individuals with the GG genotype of ERCC2 rs50871 were associated with an elevated risk of larynx cancer when compare with the TT genotype (OR=2.03, 95% CI=1.15-3.63; P value=0.01). We found a significant interaction between ERCC2 rs50871 polymorphism and tobacco smoking in the risk of larynx cancer (P for interaction <0.05). In conclusion, our study showed that ERCC1 rs11615 and ERCC2 rs50871 polymorphisms could influence the risk of larynx cancer in Chinese population, particularly among smokers.

SUBMITTER: Sun Y

PROVIDER: S-EPMC4637715 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Association of NER pathway gene polymorphisms with susceptibility to laryngeal cancer in a Chinese population.

Sun Yanan Y Tan Lijun L Li Huijun H Qin Xiaowei X Liu Jiangtao J

International journal of clinical and experimental pathology 20150901 9

We systematically analyzed the association of nine SNPs of seven key NER pathway genes with the development of laryngeal cancer patients, and investigated whether NER pathway polymorphisms could serve as potential biomarkers for laryngeal cancer risk. 271 patients with pathologically proven laryngeal cancer and 271 control subjects were included in our study. Genotyping of ERCC1 rs11615 and rs2298881, ERCC2 rs13181 and rs50871, ERCC3 rs4150441, ERCC4 rs6498486, ERCC5 rs2094258, XPA rs2808668 and ...[more]

PMID: 26617899

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Project description:The aim of this study was to investigate the association between polymorphism of the cytochrome P450 1B1 (CYP1B1) gene, a metabolic enzyme gene, and the susceptibility to laryngeal cancer among the Chinese Han population.In a case-control study, we investigated polymorphisms in the CYP1B1 gene (rs10012, rs1056827, and rs1056836) with a real-time quantitative polymerase chain reaction (PCR) assay (TaqMan). The study was conducted with 300 Chinese Han patients with laryngeal cancer and 300 healthy Chinese Han subjects in a control group. We also studied the interactions between genetic polymorphism and risk factors such as smoking and alcohol consumption in the pathogenesis of laryngeal cancer.There were statistically significant differences in the distributions of the rs1056827 and rs1056836 genotypes between the 2 groups. Regarding rs1056827, carriers of the T allele had a significantly higher risk of laryngeal cancer than the G-allele carriers (OR=1.4339, 95% CI: 1.1268-1.8247; P=0.0034). The difference was still statistically significant after adjusting for factors such as age, sex, smoking, and drinking (adjusted OR=1.743, 95% CI: 1.124-3.743, P<0.001). However, regarding rs1056836, the G allele carriers had a significantly lower risk of laryngeal cancer than the C allele carriers (OR=0.5557, 95% CI: 0.3787-0.8154; P=0.0027). The difference was statistically significant even after adjusting for factors such as age, sex, smoking, and drinking (adjusted OR=0.5641, 95% CI: 0.3212-0.8121, P=0.001). Subjects who carry the C-T-C haplotype have a significantly increased incidence of laryngeal cancer. We also found that CYP1B1 rs1056827 polymorphism had synergistic effects with smoking or alcohol consumption regarding the risk of laryngeal cancer.CYP1B1 gene polymorphism is closely related to the onset of laryngeal cancer. There is a mutually synergistic effect between smoking, alcohol consumption, and CYP1B1 gene polymorphisms regarding laryngeal cancer.

Dataset Information

Association of NER pathway gene polymorphisms with susceptibility to laryngeal cancer in a Chinese population.

Publications

Association of NER pathway gene polymorphisms with susceptibility to laryngeal cancer in a Chinese population.

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