Abstract
This study examined the hepatoprotective effects of Agrimonia eupatoria water extract (AE) against chronic ethanol-induced liver injury. Rats were fed a Lieber–DeCarli liquid diet for 8weeks. Animals were treated orally with AE at 10, 30, 100, and 300mg/kg/day. After chronic consumption of ethanol, serum aminotransferase activities and pro-inflammatory cytokines markedly increased, and those increases were attenuated by AE. The cytochrome P450 2E1 activity and lipid peroxidation increased after chronic ethanol consumption, while reduced glutathione concentration decreased. Those changes were attenuated by AE. Chronic ethanol consumption increased the levels of Toll-like receptor 4 (TLR4) and myeloid differentiation factor 88 protein expression, inducible nitric oxide synthase and cyclooxygenase-2 protein and mRNA expression, and nuclear translocation of nuclear factor-kappa B, which was attenuated by AE. Our results suggest that AE ameliorates chronic ethanol-induced liver injury, and that protection is likely due to the suppression of oxidative stress and TLR-mediated inflammatory signaling.
Published Version
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