Abstract
Numerous studies have clarified the effectiveness of paeoniflorin in the treatment of cholestasis. However, the therapeutic efficacy and mechanisms of action of paeoniflorin in intrahepatic cholestasis of pregnancy (ICP) were still unknown. This study aimed to investigate the molecular biological mechanisms of paeoniflorin against ICP by combining network pharmacology and metabolomics. The effects of paeoniflorin were investigated in the ICP rat model induced by 17α-ethinylestradiol, showing improvements in the liver indices, liver histopathological changes, bile flow rate, and serum levels of TBA and ALP. The underlying mechanisms and metabolic pathways of paeoniflorin were revealed by network pharmacology and untargeted metabolomics, showing that paeoniflorin exerted its curative effect against ICP-induced ferroptosis through PI3K/AKT and MAPK signalling pathways. In conclusion, paeoniflorin protected against ICP-induced liver injury through MAPK signaling pathways.
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