期刊
ONCOTARGET
卷 8, 期 65, 页码 109332-109339出版社
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.22675
关键词
inflammatory bowel diseases; genetic polymorphism; antioxidant enzyme activity; oxidative stress
资金
- National Science Centre, Poland [2015/19/B/NZ5/01421]
- Medical University of Lodz [503/5-108-05/503-51-0006]
Purpose: The main aim of this study was investigate the association between the genetic polymorphism of antioxidant enzyme genes: SOD1, CAT and GSHPX1 and the risk of inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis in the Polish population. Methods: A total of 445 subjects including 200 patients with IBD and 245 controls were allowed in this study. We determined activity of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx1) and examination their association with the SNPs of respective genes (SOD1 + 35A/C, CAT C-262T and GSHPX1 Pro197Leu). RFLP technique was used to determine the selected genes polymorphisms. Antioxidant enzymes activity were evaluated in erythrocyte hemolysate of 23 patients with nonactive IBD and 30 healthy participants. Results: The A/C genotype and the C allele frequencies of A/C polymorphism of SOD1 gene were significantly associated with the reduced risk of IBD (OR= 0.43; 95% CI 0.23; 0.83). Alike, C/T (OR= 0.45; 95% CI= 0.29; 0.70) and T/T genotype (OR= 0.43; 95% CI= 0.21; 0.87) of GSHPX1 gene polymorphism diminished the susceptibility to IBD. A significant decrease of CAT (P= 0.028) and increase of GPx1 (P= 0.025) enzyme activities were seen in IBD patients compared to control. Conclusions: Our data confirm dysregulated antioxidant capacity in patients suffering from IBD. Both, the SOD1 A/C genotype as well as GSHPX1 C/T and T/T genotypes may be associated with a reduction risk of IBD in the Polish population.
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