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Observational Study
. 2020 Sep-Oct;17(5):571-577.
doi: 10.21873/cgp.20213.

The Significant Interaction of Excision Repair Cross-complementing Group 1 Genotypes and Smoking to Lung Cancer Risk

Li-Hsiou Chen  1   2 , Te-Chun Shen  1   3 , Chia-Hsiang Li  1   3 , Kuo-Liang Chiu  1   2 , Yu-Chen Hsiau  3 , Yun-Chi Wang  1   3 , Chi-Li Gong  4 , Zhi-Hong Wang  5 , Wen-Shin Chang  1   3 , Chia-Wen Tsai  1   3 , Te-Chun Hsia  3 , DA-Tian Bau  6   3   7
Affiliations
Observational Study

The Significant Interaction of Excision Repair Cross-complementing Group 1 Genotypes and Smoking to Lung Cancer Risk

Li-Hsiou Chen et al. Cancer Genomics Proteomics. 2020 Sep-Oct.

Abstract

Background: The study aims to evaluate the contribution of excision repair cross-complementing group 1 (ERCC1), which plays an important role in genome integrity maintenance, to lung cancer risk.

Materials and methods: ERCC1 rs11615 and rs3212986 genotypes were identified by polymerase chain reaction-restriction fragment length polymorphism analysis and their association with lung cancer risk was examined among 358 lung cancer patients and 716 controls.

Results: The proportions of CC, CT and TT for the rs11615 genotype were 43.6%, 41.6% and 14.8% in the case group and 50.0%, 41.1% and 8.9% in the control group, respectively (p for trend=0.0082). Allelic analysis showed that ERCC1 rs11615 T-allele carriers have a 1.32-fold higher risk of lung cancer than wild-type C-allele carriers [95%confidence interval (CI)=1.09-1.60, p=0.0039]. In addition, a significant interaction between the rs11615 genotype and smoking status was observed.

Conclusion: The T allele of ERCC1 rs11615 jointly with smoking habits may contribute to a higher lung cancer risk in Taiwan.

Keywords: ERCC1; Taiwan; genotype; lung cancer; polymorphism; smoking.

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Conflict of interest statement

The Authors declare no conflicts of interest regarding this study.

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