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General Physiology and Biophysics 2021 General Physiology and Biophysics Vol.40, No.3, p.221–234, 2021
General Physiology and Biophysics 2021 General Physiology and Biophysics Vol.40, No.3, p.221–234, 2021
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General Physiology and Biophysics Vol.40, No.3, p.221–234, 2021 |
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| Title: Hepatoprotective effect of gallic acid against type 2-induced diabetic liver injury in male rats through modulation of fetuin-A and GLP-1 with involvement of ERK1/2/NF-κB and Wnt1/β-catenin signaling pathways | ||
| Author: Shaimaa M. Bashar, Mona G. Elhadidy, Abeer F. Mostafa, Basma Hamed, Soheir Helmy, Hanaa A. Abd-Elmoniem | ||
| Abstract: Gallic acid is a phenolic compound with biological and pharmacological activities. Therefore, our study aimed to examine whether gallic acid has a beneficial effect against type 2-induced diabetic hepatic injury in rats and attempt to discover its possible intracellular pathways. Adult male rats were subdivided into six groups: Control, DM (diabetes mellitus), GA (gallic acid)+DM, DM+GA, DM+MET (metformin) and DM+GA+MET. Type 2 diabetes mellitus (T2DM) induced a significant increase in the blood glucose, HOMA-IR, liver enzymes, fetuin-A, hepatic triglycerides content with diminished serum insulin and hepatic glycogen content associated with impairment of cellular redox balance. Administration of gallic acid successfully restored all these alterations which was confirmed by marked improvement of the histopathological changes of the liver. Significantly, gallic acid increased the expression of glucagon‐like peptide-1 (GLP-1) immunoreactive cells in the terminal ileum with negative correlation observed between fetuin-A and GLP-1 cells. Furthermore, our results discovered that gallic acid could diminish the DM-induced hepatic damage via upregulated hepatic mRNA expression of GLUT-4, Wnt1 and β-catenin with inhibitory effects on the elevated expression of ERK1/2/NF-κB. In conclusion, this study suggests that gallic acid provides a significant protection against T2DM-mediated liver injury. The use of gallic acid with traditional anti-diabetic drug enhanced its efficiency compared with traditional drug alone. |
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| Keywords: Gallic acid — Fetuin-A — ERK1/2 — NF-κB — GLUT-4 — Wnt1 — β-catenin | ||
| Published online: 09-Jun-2021 | ||
| Year: 2021, Volume: 40, Issue: 3 | Page From: 221, Page To: 234 | |
| doi:10.4149/gpb_2021005 |
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