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<p>Fumonisin B1 (FB1) is a widely distributed environmental pollutant that specifically targets the liver, leading to hepatotoxicity. However, there is limited reference data on the hepatotoxicity of FB1 in fish and the corresponding mitigation measures. Silymarin (SIL) is a safe natural plant extract that exhibits hepatoprotective effects. This study aimed to evaluate the influence of supplemented SIL in the diet on FB1-induced hepatopancreatic injury in grass carp (<i>Ctenopharyngodon idella</i>). The grass carp (10.92 ± 0.01&#xa0;g, n = 720) were divided into four groups at random: controls, FB1 (4&#xa0;mg/kg), SIL (60&#xa0;mg/kg) and FB1 + SIL group for 30&#xa0;days. The results indicated that FB1 induced growth inhibition (<i>P</i> &lt; 0.05), hepatopancreatic damage, steatosis and fibrosis. Dietary SIL alleviated growth inhibition, hepatopancreatic steatosis, accompanied by an increase in the expression levels of molecules related to lipid droplet and mitochondrial interaction (<i>P</i> &lt; 0.01), as well as the β-oxidation of fatty acids (<i>P</i> &lt; 0.05). Reduced steatosis mitigated oxidative damage and endoplasmic reticulum stress (<i>P</i> &lt; 0.05). These changes further relieved the activation of apoptosis (<i>P</i>  &lt; 0.01), which further alleviated the activation of the toll-like receptor 4/NF-kappa B pathway (<i>P</i> &lt; 0.01) and transforming growth factor/SMAD family member pathway (<i>P</i> &lt; 0.05), ultimately mitigating hepatopancreatic fibrosis. These results suggested that dietary supplementation with SIL effectively mitigated FB1-induced hepatopancreatic damage. Thus, this study provided new insights into strategies for mitigating FB1-induced hepatotoxicity.</p>

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Dietary silymarin effectively alleviated fumonisin B1-induced hepatopancreatic steatosis and fibrosis in juvenile grass carp (Ctenopharyngodon idella)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月13日

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  • Daiyu Chen,
  • Weidan Jiang,
  • Pei Wu,
  • Yang Liu,
  • Yaobin Ma,
  • Hongyun Zhang,
  • Hongmei Ren,
  • Xiaowan Jin,
  • Xiaoqiu Zhou,
  • Lin Feng

摘要

Fumonisin B1 (FB1) is a widely distributed environmental pollutant that specifically targets the liver, leading to hepatotoxicity. However, there is limited reference data on the hepatotoxicity of FB1 in fish and the corresponding mitigation measures. Silymarin (SIL) is a safe natural plant extract that exhibits hepatoprotective effects. This study aimed to evaluate the influence of supplemented SIL in the diet on FB1-induced hepatopancreatic injury in grass carp (Ctenopharyngodon idella). The grass carp (10.92 ± 0.01 g, n = 720) were divided into four groups at random: controls, FB1 (4 mg/kg), SIL (60 mg/kg) and FB1 + SIL group for 30 days. The results indicated that FB1 induced growth inhibition (P < 0.05), hepatopancreatic damage, steatosis and fibrosis. Dietary SIL alleviated growth inhibition, hepatopancreatic steatosis, accompanied by an increase in the expression levels of molecules related to lipid droplet and mitochondrial interaction (P < 0.01), as well as the β-oxidation of fatty acids (P < 0.05). Reduced steatosis mitigated oxidative damage and endoplasmic reticulum stress (P < 0.05). These changes further relieved the activation of apoptosis (P  < 0.01), which further alleviated the activation of the toll-like receptor 4/NF-kappa B pathway (P < 0.01) and transforming growth factor/SMAD family member pathway (P < 0.05), ultimately mitigating hepatopancreatic fibrosis. These results suggested that dietary supplementation with SIL effectively mitigated FB1-induced hepatopancreatic damage. Thus, this study provided new insights into strategies for mitigating FB1-induced hepatotoxicity.