Case-control study on CYP4B1 gene polymorphism and susceptibility to gastric cancer in the chinese Han population - PubMed (original) (raw)

Case-control study on CYP4B1 gene polymorphism and susceptibility to gastric cancer in the chinese Han population

Shuyong Yu et al. BMC Med Genomics. 2022.

Abstract

Background: In China, gastric cancer (GC) is one of the most common malignant tumors. This study aimed to explore the relationship of rs2297810, rs4646491 and rs2297809 polymorphisms of CYP4B1 with susceptibility to GC in the Chinese Han population.

Methods: A case-control study including 707 GC cases and 707 normal controls was conducted. Three single nucleotide polymorphisms (SNPs) were genotyped by Agena MassARRAY system. Logistic regression analysis was utilized to assess the effects of SNPs on GC risk. Furthermore, multifactor dimensionality reduction (MDR) approach was used to analyze the SNP-SNP interactions.

Results: No significant relationships were found between rs2297810 and rs2297809 and GC risk under all genetic models. For rs4646491, people with TC genotype had a 1.40-fold higher risk of GC than those with CC genotype (OR = 1.40; 95% CI = 1.13-1.74; p = 0.002), and people with TT-TC genotype had a 1.30-fold higher risk of GC than those with CC genotype (OR = 1.30; 95% CI = 1.06-1.61; p = 0.014). Stratification results showed that GC risk in people carrying TC genotype was higher than that in people with CC genotype, males (OR = 1.36; 95% CI = 1.06-1.75; p = 0.015), non-smokers (OR = 1.52; 95% CI = 1.11-2.07; p = 0.009) and non-drinkers (OR = 1.50; 95% CI = 1.10-2.04; p = 0.010). Additionally, the study also revealed that GC risk in people carrying TT-TC genotype was higher than that in people with CC genotype, males (OR = 1.29; 95% CI = 1.01-1.64; p = 0.040), non-smokers (OR = 1.40; 95% CI = 1.04-1.89; p = 0.027) and non-drinkers (OR = 1.39; 95% CI = 1.03-1.87; p = 0.030).

Conclusion: This study firstly found that CYP4B1-rs4646491 was significantly correlated with GC risk, and it might be a risk factor for GC.

Keywords: Association; CYP4B1 gene; Gastric cancer; Rs4646491; Single nucleotide polymorphism.

© 2022. The Author(s).

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Conflict of interest statement

The authors have declared that they have no competing interests.

Figures

Fig. 1

Fig. 1

Interaction dendrogram by MDR analysis of three SNPs on CYP4B1. Blue connections indicate redundancy or lack of synergistic interactions among markers

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