Activation of the Glutathione Peroxidase by Metformin in the Bile-duct Ligation induced Liver Injury: In vivo Combined with Molecular Docking Studies.

Abstract:

BACKGROUND:Inhibition of hepatic fibrosis is an attainable objective in managing the chronic liver disease. The present study aimed to investigate possible defensive effects of metformin on the activities of antioxidant enzymes, hydroxyproline content, and biochemical factors in bile duct ligation (BDL)-induced cholestatic rats. The interactive behavior of metformin with glutathione peroxidase (GPx) enzyme was also explained by molecular docking and conformation characterization. METHODS:The present study was conducted on 28-adult male Wistar rats classified into four 7-animal groups: sham-control, mere BDL, and BDL+ metformin that received daily metformin as gavage in two doses of 250 and 500 mg/kg bw for 10 days. Biochemical analysis, hydroxyproline content, and antioxidant enzymes activity were also determined. RESULTS:The hydroxyproline content significantly increased, but the GPx enzyme activity significantly decreased in the hepatic tissue following BDL, indicating that an oxidative stress-related model in rats was successfully constituted. Administration of metformin at two doses attenuated hydroxyproline content in the cholestatic liver and ameliorated the depletion of GPx enzyme activities compared to the non-treated BDL group (P-value ≤ 0.05). Molecular docking study provides the evidence for metformin ability to regulate enzymatic activity of GPx. CONCLUSION:The research data indicated that due to novel hepatoprotective effects of metformin in an animal model with BDL-induced liver injury, it was a potential beneficial therapeutic agent for treating the cholestatic liver disease. The main mechanism might contribute to antioxidant actions, particularly via GPx enzyme.

journal_name

Curr Pharm Des

authors

Mansourian M,Sadeghi H,Doustimotlagh AH

doi

10.2174/1381612824666181003114108

subject

Has Abstract

pub_date

2018-01-01 00:00:00

pages

3256-3263

issue

27

eissn

1381-6128

issn

1873-4286

pii

CPD-EPUB-93386

journal_volume

24

pub_type

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