Thiamine reduced metabolic syndrome symptoms in rats via down-regulation of hepatic nuclear factor-kβ and induction activity of glyoxalase-I
محل انتشار: مجله علوم پایه پزشکی ایران، دوره: 24، شماره: 3
سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 322
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شناسه ملی سند علمی:
JR_IJBMS-24-3_004
تاریخ نمایه سازی: 6 اردیبهشت 1400
چکیده مقاله:
Objective(s): Metabolic syndrome (MS) is a cause of death worldwide. The hepatic nuclear factor- NF-kβ (NF-kβ) is the cardinal player of hepatic homeostasis, insulin sensitivity, and lipid metabolism. Thus, we investigated the effect of thiamine on hepatic gene expression of NF-kβ and its levels of activators in MS rats. Materials and Methods: Male Wistar rats were randomly divided into ۴ equal groups (ten rats in each group): normal, MS, and two alike groups under thiamine treatment. MS was induced in rats with a high sucrose solution (۴۰ % in drinking water) for ۴ months. Treated groups of rats received ۰.۱۸ % of thiamine daily in drinking water. Hematoxylin-Eosin stains were employed to determine the histopathological changes of the liver. Metabolic profile, glycation products, oxidative stress, inflammatory markers, the activity of glyoxalase-I, as well as NF-kβ hepatic expression of all rat groups, were determined.Results: Acute hepatitis was not observed in the livers of the thiamine treated MS rats. Besides, the treatment showed an advantageous effect on glucose, lipid metabolism, and body weight via down-regulation of hepatic NF-kβ and induction of glyoxalase system activity. Furthermore, the treatment decreased diverse glycation, oxidative stress, and inflammatory markers (P>۰.۰۰۱). Conclusion: Thiamine decreased body weight and improved metabolism and activity of glyoxalase-I in MS rats with anti-glycation, antioxidant, and anti-inflammatory activities. Further, the treatment had a hepato-protective effect via reduction of NF-kβ signaling.
کلیدواژه ها:
نویسندگان
Sina Mahdavifard
Department of Clinical Biochemistry, Ardabil University of Medical Sciences, Ardabil, Iran
Razieh Dehghani
Department of Clinical Biochemistry, Ardabil University of Medical Sciences, Ardabil, Iran
Farhad Jeddi
Department of Genetics and Pathology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
Nowruz Najafzadeh
Research Laboratory for Embryology and Stem Cells, Department of Anatomical Sciences, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
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