Oncotarget

Research Papers:

A case-control study on association of nucleotide excision repair polymorphisms and its interaction with environment factors with the susceptibility to non-melanoma skin cancer

Yan-Ling Li _, Feng Wei, Yu-Ping Li, Li-Hua Zhang and Yan-Zhi Bai

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Oncotarget. 2017; 8:80994-81000. https://doi.org/10.18632/oncotarget.20942

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Abstract

Yan-Ling Li1, Feng Wei1, Yu-Ping Li1, Li-Hua Zhang1 and Yan-Zhi Bai1

1Department of Dermatology, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, People’s Republic of China

Correspondence to:

Yan-Ling Li, email: liyanllyy36@163.com

Keywords: non-melanoma skin cancer, nucleotide excision repair, single nucleotide polymorphisms, interaction, smoking

Received: April 21, 2017    Accepted: July 19, 2017    Published: September 15, 2017

ABSTRACT

Aims: To investigate the association of several single nucleotide polymorphisms (SNPs) within nucleotide excision repair (NER) gene and additional gene- gene and gene- smoking interaction with non-melanoma skin cancer (NMSC) risk in a Chinese population.

Methods: A total of 1322 participants (939 males, 383 females) were selected, including 660 NMSC patients and 662 control participants. Generalized multifactor dimensionality reduction (GMDR) was used to screen the best interaction combination among SNPs and smoking. Logistic regression was performed to investigate association between 4 SNPs within NER gene, additional gene- gene and gene- smoking interaction on NMSC risk.

Results: NMSC risk was significantly higher in carriers with G allele of rs2228527 than those with AA genotype (AG + GG versus AA), adjusted OR (95%CI) =1.76 (1.24-2.37), and higher in carriers with the G allele of rs2228529 than those with AA genotype (AG + GG versus AA), adjusted OR (95%CI) = 1.66 (1.24-2.13). However, we did not find any direct association of the rs4134822 and rs1799793 with NMSC risk after covariates adjustment. GMDR model indicated a significant interaction combination (p=0.0010), including rs2228529 and current smoking. Overall, the cross-validation consistency of this model was 9/ 10, and the testing accuracy was 60.72%. Current smokers with rs2228529- GA or GG genotype have the highest NMSC risk, compared to never- smokers with rs2228529- AA genotype, OR (95%CI) = 2.92 (1.61-4.29).

Conclusions: We found that the G allele of rs2228527 and the G allele of rs2228529 within NER gene, interaction between rs2228529 and current smoking were all associated with increased NMSC risk.


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