Fisetin (FisT) is a bioactive flavonoid polyphenol with antioxidant, anti-inflammatory and anti-tumor activities. Although the effects of FisT to meliorate non-alcoholic fatty liver disease (NAFLD) have been investigated, the underlying mechanisms are not fully understood. In the present study, we found that FisT remarkably suppressed cellular and mitochondrial reactive oxygen species (ROS) generation in human and murine hepatocytes with palmitate (PA) stimulation. Additionally, mitochondrial impairment and dysfunction induced by PA were considerably abrogated in hepatocytes with FisT co-incubation. Furthermore, Cyto-c releases and mitochondrial apoptosis were detected in PA-treated hepatocytes, while being greatly repressed by FisT. PA-induced inflammation and lipid deposition were also strongly reduced by FisT in hepatocytes. Importantly, our in vitro experiments showed that promoting ROS by nuclear factor erythroid 2-related factor 2 (Nrf2) deletion significantly abolished the function of FisT to meliorate apoptosis, inflammation and lipid accumulation in PA-incubated hepatocytes. What's more, ER stress was strongly induced by...

Keywords
FISETIN ANIMAL MODELS MITOCHONDRIA NONALCOHOLIC FATTY LIVER DISEASE INFLAMMATION PROTEINS LIPIDS FATS HIGH DIET ANTIOXIDATIVE ACTIVITY REACTIVE OXYGEN SPECIES MITOCHONDRIA ANIMAL MODELS APOPTOSIS FATS HIGH DIET
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