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- W2939895909 abstract "Impaired autophagic degradation of intracellular lipids is causally linked to the development of non-alcoholic steatohepatitis (NASH). Pharmacological agents that can restore hepatic autophagic flux could therefore have therapeutic potentials for this increasingly prevalent disease. Herein, we investigated the effects of polydatin, a natural precursor of resveratrol, in a murine nutritional model of NASH and a cell line model of steatosis. Results showed that oral administration of polydatin protected against hepatic lipid accumulation and alleviated inflammation and hepatocyte damage in db/db mice fed methionine-choline deficient diet. Polydatin also alleviated palmitic acid-induced lipid accumulation in cultured hepatocytes. In both models, polydatin restored lysosomal function and autophagic flux that were impaired by NASH or steatosis. Mechanistically, polydatin inhibited mTOR signalling and up-regulated the expression and activity of TFEB, a known master regulator of lysosomal function. In conclusion, polydatin ameliorated NASH through restoring autophagic flux. The polydatin-regulated autophagy was associated with inhibition of mTOR pathway and restoration of lysosomal function by TFEB. Our study provided affirmative preclinical evidence to inform future clinical trials for examining the potential anti-NASH effect of polydatin in humans." @default.
- W2939895909 created "2019-04-25" @default.
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- W2939895909 date "2019-04-11" @default.
- W2939895909 modified "2023-10-16" @default.
- W2939895909 title "The phytochemical polydatin ameliorates non‐alcoholic steatohepatitis by restoring lysosomal function and autophagic flux" @default.
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- W2939895909 doi "https://doi.org/10.1111/jcmm.14320" @default.
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