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Modified Dachaihu Decoction Regulates FOXO3a Acetylation Activated Autophagy and Relieving Insulin Resistance in Obesity

Background The previous studies of our research group indicate that the weakening of mitochondrial autophagy function is the key mechanism of obesity-induced insulin resistance, and Mitochondrial autophagy mediated by PINK1/Parkin pathway can reverse mitochondrial dysfunction. Recently, we found that FOXO3a, as an upstream regulator of PINK1, has been found to play a key role in regulating mitochondrial autophagy.However,FOXO3a is regulated by deacetylation. Objective To explore whether Modified Dachaihu Decoction can regulate liver mitochondrial autophagy mediated by the PINK1/Parkin signal pathway by regulating the expression of FOXO3a acetylation. Western blot showed that compared with the model control group, the expression of mitochondrial autophagy-related proteins and FOXO3a in the Modified Dachaihu Decoction group increased, and the expression of ace-FOXO3a decreased (P < 0.05). We speculate that in this experiment, Modified Dachaihu Decoction may regulate mitochondrial autophagy mediated by PINK1/ Parkin signal pathway by downregulating the expression of FOXO3a acetylation, to reduce Hepatic Insulin Resistance in Obesity.