Journal
JOURNAL OF FUNCTIONAL FOODS
Volume 103, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jff.2023.105484
Keywords
Coriander essential oil; Dexamethasone; Oxidative stress; Liver injury; Apoptosis
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Coriander essential oil, rich in linalool, gamma-terpinene and alpha-pinene, has been found to ameliorate dexamethasone-induced liver injury through Nrf2/HO-1 and antiapoptotic signaling pathways.
Coriander essential oil extracted from the fruits of Coriandrum sativum is rich in linalool, gamma-terpinene and alpha-pinene. Herein we examined the possible hepatoprotective effects of coriander essential oil on dexamethasone-induced liver injury and the possible mechanisms. Coriander essential oil at the doses of 0.5 and 1 mL/kg or metformin (50 mg/kg) was orally administered to rats for four days, one hour before dexamethasone subcu-taneous injection. Liver injury was enhanced in dexamethasone-injected rats as manifested by monocyte infil-tration, hepatocyte degeneration and collagen deposition besides elevated ALT and AST levels. This was accompanied by decreased Nrf2/HO-1 signaling, leading to increased lipid peroxidation and reduced glutathione depletion. Liver-antiapoptotic protein, Bcl2 was reduced, and caspase 3 expression was increased showing he-patocyte apoptosis following dexamethasone injection. Coriander essential oil dose-dependently reversed the previous changes. These findings suggest that coriander essential oil could ameliorate dexamethasone-induced liver injury via Nrf2/HO-1 and antiapoptotic signaling pathways.
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