Enzymatic antioxidant system and endothelial function in patients with metabolic syndrome

  • سال انتشار: 1399
  • محل انتشار: مجله آریا آترواسکلروز، دوره: 16، شماره: 2
  • کد COI اختصاصی: JR_RYA-16-2_006
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 135
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نویسندگان

Fariba Sakhaei

Isfahan Pharmaceutical Sciences Research Center AND Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran

Mahtab Keshvari

Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Sedigheh Asgary

Professor, Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Leila Salehizadeh

Professor, Cardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Ali Rastqar

Department of Psychiatry and Neuroscience, Laval University, Quebec, QC, Canada

Seyyed Ziaedin Samsam-Shariat

Associate Professor, Isfahan Pharmaceutical Sciences Research Center AND Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran

چکیده

BACKGROUND: This study examined the relationship between serum glutathione peroxidase ۱ (GPx-۱) activity and endothelial dysfunction in the subjects with and without metabolic syndrome (MetS).METHODS: This case-control study was conducted on ۷۶ subjects, ۳۸ were patients with MetS and ۳۸ were without MetS. The demographic, clinical, and laboratory features of the subjects were measured and then compared. The MetS was diagnosed according to the definitions of the National Cholesterol Education Program (NCEP) and International Diabetes Federation (IDF). Serum GPx-۱ activity was measured by standard methods. Endothelial dysfunction was assessed with flow-mediated dilation (FMD) technique.RESULTS: In case-control study of ۷۶ subjects, all of MetS risk factors including abdominal obesity, triglyceride (TG), low serum level of high-density lipoprotein cholesterol (HDL-C), hypertension (HTN), and fasting plasma glucose (FPG) were significantly higher than healthy individuals (P < ۰.۰۵۰). FMD was significantly lower than normal subjects (P < ۰.۰۵۰). Serum GP-۱ activity was significantly lower in patients with MetS compared to normal subjects (۲۱.۷ ± ۱۳.۵ vs. ۷۹.۰ ± ۳۸.۶, respectively) (P = ۰.۰۰۱). The value of GPx-۱ was significantly correlated with diastolic blood pressure (DBP) (r = -۰.۲۴۹, P = ۰.۰۴۰), C-reactive protein (CRP) (r = -۰.۴۰۹, P = ۰.۰۱۴), and FMD (r = ۰.۲۹۳, P = ۰.۰۵۰) in patients with MetS. The results of logistic regression showed that a unite increase in CRP (mg/dl), FMD (%), and endothelin-۱ (ET-۱) (pg/ml) and a unit decrease in GPx significantly increased the odds ratio (OR) of MetS; after adjusting for age and sex the results remained significant except for FMD (P < ۰.۰۵۰)CONCLUSION: Endothelial dysfunction is related to serum GPx-۱ activity in patients with MetS. GPX-۱ activity is associated with risk of cardiovascular diseases (CVDs) and peripheral vascular diseases (PVDs) in patients with MetS.

کلیدواژه ها

Glutathione Peroxidase-۱, Endothelium, Enzyme Activity, Metabolic Syndrome

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