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The Hepatoprotective Effects of Radix Bupleuri Extracts against D-Galactosamine/Lipopolysaccharide Induced Liver Injury in Hybrid Grouper (Epinephelus
SUNLONG BIOTECH / 2024-01-09
  • Author:Zou, C., Tan, X., Ye, H., Sun, Z., Chen, S., Liu, Q., Xu, M., Ye, C. & Wang, A.

  • Periodical:Fish & shellfish immunology 83, 8-17 (2018)

  • Article source

The present study is aiming at evaluating the hepatoprotective of Radix Bupleuri extracts (RBE) on the d-galactosamine/lipopolysaccharide (D-GalN/LPS) induced liver injury of hybrid grouper in vitro and in vivo. In vitro, RBE (0, 200, 400 and 800?μg/ml) was added to the hybrid grouper primary hepatocytes before (pretreatment) the incubation of the hepatocytes with D-GalN (20?mM) plus LPS (1?μg/ml) in the culture medium. RBE at concentrations of 200, 400 and 800?μg/ml significantly improved cell viability and inhibited the elevation of TNF-α, IL-1β and IL-6 and significantly down-regulated the caspase-3, caspase-9 and P53 mRNA levels. In vivo administration of RBE at the doses of 0, 200, 400, 800 and 1600?mg/kg in the diet for 8 weeks prior to D-GalN (500?mg/kg) and LPS (20?μg/kg) intoxication. The study indicated that the RBE not only ameliorated liver injury, as evidenced by well-preserved liver architecture, but also significantly increased hepatic antioxidant enzymes activities in the D-GalN/LPS-induced liver injury animal model. Further demonstrating the protective effects of the RBE, we found that pretreatment with the RBE up-regulated the expression of antioxidant genes (GPx and MnSOD), while down-regulated apoptosis-related genes (caspase-3, caspase-9 and P53), immune related genes (MHC2 and TLR3) and pro-inflammatory cytokines (TOR and IKKα) mRNA expression in the liver of hybrid grouper. In brief, the present study showed that RBE can protect hepatocyte injury induced by D-GalN/LPS through elevating antioxidant enzyme activity and suppressing apoptosis and immune inflammatory responses. The results support the use of RBE as a hepatoprotective in fish.

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