例如:"lncRNA", "apoptosis", "WRKY"

Polydatin alleviated alcoholic liver injury in zebrafish larvae through ameliorating lipid metabolism and oxidative stress.

J. Pharmacol. Sci.2018 Sep;138(1):46-53. Epub 2018 Sep 07
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摘要


Hepatic steatosis is the early stage of alcoholic liver disease (ALD), may progress to steatohepatitis, fibrosis even cirrhosis. Polydatin, the primary active component of Polygonum cuspidatum Sieb. et Zucc, has been recognized to possess hepatoprotective and anti-inflammatory properties. To investigate whether polydatin alleviates ethanol induced liver injury and to elucidate the underlying molecular mechanisms, zebrafish larvae at 4 days post-fertilization (dpf) were exposed to 350 mmol/L of ethanol for 32 h, then treated with polydatin for 48 h. Oil red O, Nile Red and H&E staining were used to analyze the pathological changes in liver. The mRNA levels were measured by quantitative PCR and the antioxidant capacity was detected using H2O2-specific fluorescent probe. Here, polydatin strongly alleviated hepatic steatosis and decreased the expression levels of alcohol and lipid metabolism-related genes, including CYP2Y3, CYP3A65, HMGCRa, HMGCRb and FASN. Additionally, polydatin inhibited oxidative stress in the liver according to fluorescent probe. Moreover, significantly up-regulated expression of DNA damage-related genes (CHOP, GADD45αa) revealed that polydatin attenuated hepatic apoptosis in larvae. In conclusion, polydatin may improve the liver function of zebrafish with acute alcoholic liver injury through attenuating hepatic fat accumulation, ameliorating lipid and ethanol metabolism and reducing oxidative stress and DNA damage.

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