Association between endothelial nitric oxide synthase polymorphisms and risk of metabolic syndrome

Chiu Shong Liu, Ru Jiun Huang, Fung Chang Sung, Cheng Chieh Lin, Chih Ching Yeh

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Background: Previous studies inferring that the NOS3 gene was associated with the pathogenesis of metabolic syndrome (MetS) had inconsistent findings. We investigated the role of three NOS3 polymorphisms (T-786C, intron 4b/a, and G894T) in the risk of MetS using a hospital-based case-control study. Methods: We recruited 339 MetS cases and 783 non-MetS controls at a central Taiwanese hospital. Information on sociodemographic and lifestyle factors was obtained using a self-administered questionnaire. Genotypes of NOS3 polymorphisms were compared between cases and controls. Effects of interactions between gene polymorphisms and smoking and between gene polymorphisms and drinking on the risk of MetS were also determined. Results: The T-786C TC+CC genotype was significantly associated with a decreased risk of MetS (odds ratio (OR), 0.63; 95% confidence interval (CI), 0.43-0.91), compared to the T-786C TT genotype, according to a logistic regression analysis. This beneficial effect was much greater for those who had ever smoked cigarettes (OR, 0.47; 95% CI, 0.26-0.87) or those who had not consumed alcohol (OR, 0.45; 95% CI, 0.26-0.77). In addition, the intron 4b/a variant genotype was marginally associated with a reduced risk of MetS (OR, 0.68; 95% CI, 0.47-1.00), compared to the intron 4b/a bb genotype, particularly for never alcohol consumers (OR, 0.56; 95% CI, 0.33-0.95). In the haplotype analysis, there was a 53% decrease in the MetS risk among C4bG haplotype carriers (OR, 0.47; 95% CI, 0.25-0.90), compared to those with the most common T4bG haplotype. Conclusions: Our results suggest that the NOS3 T-786C and intron 4b/a polymorphisms may contribute to the risk of MetS. Further studies are needed to confirm the findings.

Original languageEnglish
Pages (from-to)187-197
Number of pages11
JournalDisease Markers
Volume34
Issue number3
DOIs
Publication statusPublished - 2013

Fingerprint

Nitric Oxide Synthase Type III
Polymorphism
Introns
Odds Ratio
Confidence Intervals
Genotype
Genes
Haplotypes
Alcohols
Regression analysis
Tobacco Products
Logistics
Drinking
Case-Control Studies
Life Style
Logistic Models
Smoking
Regression Analysis

Keywords

  • drinking
  • endothelial nitric oxide synthase
  • Metabolic syndrome
  • polymorphisms
  • smoking

ASJC Scopus subject areas

  • Biochemistry, medical
  • Clinical Biochemistry
  • Molecular Biology
  • Genetics

Cite this

Association between endothelial nitric oxide synthase polymorphisms and risk of metabolic syndrome. / Liu, Chiu Shong; Huang, Ru Jiun; Sung, Fung Chang; Lin, Cheng Chieh; Yeh, Chih Ching.

In: Disease Markers, Vol. 34, No. 3, 2013, p. 187-197.

Research output: Contribution to journalArticle

Liu, Chiu Shong ; Huang, Ru Jiun ; Sung, Fung Chang ; Lin, Cheng Chieh ; Yeh, Chih Ching. / Association between endothelial nitric oxide synthase polymorphisms and risk of metabolic syndrome. In: Disease Markers. 2013 ; Vol. 34, No. 3. pp. 187-197.
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T1 - Association between endothelial nitric oxide synthase polymorphisms and risk of metabolic syndrome

AU - Liu, Chiu Shong

AU - Huang, Ru Jiun

AU - Sung, Fung Chang

AU - Lin, Cheng Chieh

AU - Yeh, Chih Ching

PY - 2013

Y1 - 2013

N2 - Background: Previous studies inferring that the NOS3 gene was associated with the pathogenesis of metabolic syndrome (MetS) had inconsistent findings. We investigated the role of three NOS3 polymorphisms (T-786C, intron 4b/a, and G894T) in the risk of MetS using a hospital-based case-control study. Methods: We recruited 339 MetS cases and 783 non-MetS controls at a central Taiwanese hospital. Information on sociodemographic and lifestyle factors was obtained using a self-administered questionnaire. Genotypes of NOS3 polymorphisms were compared between cases and controls. Effects of interactions between gene polymorphisms and smoking and between gene polymorphisms and drinking on the risk of MetS were also determined. Results: The T-786C TC+CC genotype was significantly associated with a decreased risk of MetS (odds ratio (OR), 0.63; 95% confidence interval (CI), 0.43-0.91), compared to the T-786C TT genotype, according to a logistic regression analysis. This beneficial effect was much greater for those who had ever smoked cigarettes (OR, 0.47; 95% CI, 0.26-0.87) or those who had not consumed alcohol (OR, 0.45; 95% CI, 0.26-0.77). In addition, the intron 4b/a variant genotype was marginally associated with a reduced risk of MetS (OR, 0.68; 95% CI, 0.47-1.00), compared to the intron 4b/a bb genotype, particularly for never alcohol consumers (OR, 0.56; 95% CI, 0.33-0.95). In the haplotype analysis, there was a 53% decrease in the MetS risk among C4bG haplotype carriers (OR, 0.47; 95% CI, 0.25-0.90), compared to those with the most common T4bG haplotype. Conclusions: Our results suggest that the NOS3 T-786C and intron 4b/a polymorphisms may contribute to the risk of MetS. Further studies are needed to confirm the findings.

AB - Background: Previous studies inferring that the NOS3 gene was associated with the pathogenesis of metabolic syndrome (MetS) had inconsistent findings. We investigated the role of three NOS3 polymorphisms (T-786C, intron 4b/a, and G894T) in the risk of MetS using a hospital-based case-control study. Methods: We recruited 339 MetS cases and 783 non-MetS controls at a central Taiwanese hospital. Information on sociodemographic and lifestyle factors was obtained using a self-administered questionnaire. Genotypes of NOS3 polymorphisms were compared between cases and controls. Effects of interactions between gene polymorphisms and smoking and between gene polymorphisms and drinking on the risk of MetS were also determined. Results: The T-786C TC+CC genotype was significantly associated with a decreased risk of MetS (odds ratio (OR), 0.63; 95% confidence interval (CI), 0.43-0.91), compared to the T-786C TT genotype, according to a logistic regression analysis. This beneficial effect was much greater for those who had ever smoked cigarettes (OR, 0.47; 95% CI, 0.26-0.87) or those who had not consumed alcohol (OR, 0.45; 95% CI, 0.26-0.77). In addition, the intron 4b/a variant genotype was marginally associated with a reduced risk of MetS (OR, 0.68; 95% CI, 0.47-1.00), compared to the intron 4b/a bb genotype, particularly for never alcohol consumers (OR, 0.56; 95% CI, 0.33-0.95). In the haplotype analysis, there was a 53% decrease in the MetS risk among C4bG haplotype carriers (OR, 0.47; 95% CI, 0.25-0.90), compared to those with the most common T4bG haplotype. Conclusions: Our results suggest that the NOS3 T-786C and intron 4b/a polymorphisms may contribute to the risk of MetS. Further studies are needed to confirm the findings.

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