Non-alcoholic fatty liver disease (NAFLD) is a highly prevalent liver disease that is closely related to obesity and metabolic disorders. 5-methoxyflavone (5-MF) is a flavonoid with DNA polymerase-β inhibitory properties. In this study, we explored the effects of 5-MF on NAFLD and its potential mechanisms using oleic acid/palmitic acid-treated HepG2 cells and high-fat diet-fed C57BL/6J mice. Our results showed that 5-MF not only alleviated fat deposition and hepatic steatosis, but also improved oxidative damage. In addition, 5-MF has the effect of alleviating disorders of glucose metabolism and enhancing energy expenditure in HFD-induced obese mice. Mechanistically, reverse screening methods and molecular docking analysis were used in combination, and revealed that cytochrome P450 1A1 (CYP1A1) is the target for 5-MF. Further experiments showed that 5-MF ameliorated triglycerides deposition by inhibiting the enzyme activity and protein expression of CYP1A1. In conclusion, 5-MF provides a novel strategy for the prevention and treatment of high-fat-induced NAFLD.
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| http://dx.doi.org/10.1016/j.freeradbiomed.2022.12.093 | DOI Listing |
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