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Polymorphism in lncRNA AC008392.1 and its interaction with smoking on the risk of lung cancer in a Chinese population

Authors Lv X, Cui Z, Li H, Li J, Yang Z, Bi Y, Gao M, Zhou B, Yin Z

Received 25 December 2017

Accepted for publication 1 March 2018

Published 30 May 2018 Volume 2018:10 Pages 1377—1387

DOI https://doi.org/10.2147/CMAR.S160818

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Professor Nakshatri


Xiaoting Lv,1,2 Zhigang Cui,3 Hang Li,1,2 Juan Li,1,2 Zitai Yang,1,2 Yanhong Bi,1,2 Min Gao,1,2 Baosen Zhou,1,2 Zhihua Yin1,2

1Department of Epidemiology, School of Public Health, China Medical University, Shenyang, 110122, People’s Republic of China; 2Key Laboratory of Cancer Etiology and Intervention, University of Liaoning Province, Shenyang, 110122, People’s Republic of China; 3School of Nursing, China Medical University, Shenyang, 110122, People’s Republic of China

Purpose: To evaluate the association between rs7248320 in lncRNA AC008392.1 and the risk of lung cancer, this case–control study was carried out in a Chinese population. This study also evaluated the gene–environment interaction between rs7248320 and exposure to smoking status on the risk of lung cancer.
Patients and methods: We conducted a hospital-based case–control study including 512 lung cancer cases and 588 healthy controls. The association between rs7248320 and the risk of lung cancer was analyzed, and the gene–environment interaction was estimated on an additive scale.
Results: The variant genotype of rs7248320 was significantly related to the risk of non-small-cell lung cancer (NSCLC). Individuals carrying homozygous GG genotype had decreased risk of NSCLC, compared with individuals carrying the homozygous wild AA genotype/heterozygote GA genotype (adjusted odds ratio [OR] =0.653, 95% confidence interval [CI] =0.442–0.966, P=0.033). Moreover, in the subgroup of ages, there were statistically significant associations between rs7248320 and the risk of lung cancer and NSCLC in the population over 60 years of age. Compared with individuals carrying genotypes AA/GA, individuals with genotype GG had the lower risk of lung cancer and NSCLC (adjusted ORs were 0.579 and 0.433, 95% CIs were 0.338–0.994 and 0.231–0.811, P-values were 0.048 and 0.009, respectively). Compared with homozygote AA, the homozygote GG was associated with a decreased risk in NSCLC (OR =0.456, 95% CI =0.235–0.887, P=0.021). There were no statistically significant results in gene–environment interactions on an additive scale.
Conclusion: These findings suggest that lncRNA AC008392.1 rs7248320 may be involved in genetic susceptibility to NSCLC in a Chinese population.

Keywords: lung cancer, single-nucleotide polymorphism, lncRNA, susceptibility, CARD8

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