4.6 Article

Impact of GTF2H1 and RAD54L2 polymorphisms on the risk of lung cancer in the Chinese Han population

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BMC CANCER
卷 22, 期 1, 页码 -

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BMC
DOI: 10.1186/s12885-022-10303-1

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Lung cancer; Gene polymorphisms; MDR analysis

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This study assessed the correlation between single nucleotide polymorphisms (SNPs) in DNA repair genes and the risk of lung cancer. The results showed that a SNP in the RAD54L2 gene increased the risk of lung cancer, and different SNPs showed associations with lung cancer risk in different age, smoking, and drinking groups. These findings may contribute to a better understanding of the impact of genetic polymorphisms on lung cancer occurrence.
Background Repair pathway genes play an important role in the development of lung cancer. The study aimed to assess the correlation between single nucleotide polymorphisms (SNPs) in DNA repair gene (GTF2H1 and RAD54L2) and the risk of lung cancer. Methods Five SNPs in GTF2H1 and four SNPs in RAD54L2 in 506 patients with lung cancer and 510 age-and gender-matched healthy controls were genotyped via the Agena MassARRAY platform. The influence of GTF2H1 and RAD54L2 polymorphisms on lung cancer susceptibility was assessed using logistic regression analysis by calculating odds ratios (ORs) and their corresponding 95% confidence intervals (CIs). Results RAD54L2 rs9864693 GC genotype increased the risk of lung cancer (OR = 1.33, 95%CI: 1.01-1.77, p = 0.045). Stratified analysis found that associations of RAD54L2 rs11720298, RAD54L2 rs4687592, RAD54L2 rs9864693 and GTF2H1 rs4150667 with lung cancer risk were found in subjects aged <= 59 years. Precisely, a protective effect of RAD54L2 rs11720298 on the occurrence of lung cancer was observed in non-smokers and drinkers. GTF2H1 rs4150667 was associated with a decreased risk of lung cancer in subjects with BMI <= 24 kg/m(2). RAD54L2 rs4687592 was associated with an increased risk of lung cancer in drinkers. In addition, GTF2H1 rs3802967 was associated with a reduced risk of lung squamous cell carcinoma. Conclusion Our study first revealed that RAD54L2 rs9864693 was associated with an increased risk of lung cancer in the Chinese Han population. This study may increase the understanding of the effect of RAD54L2 and GTF2H1 polymorphisms on lung cancer occurrence.

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