
doi: 10.1002/ptr.8106
pmid: 38217097
AbstractLiver fibrosis affects approximately 800 million patients worldwide, with over 2 million deaths each year. Nevertheless, there are no approved medications for treating liver fibrosis. In this study, we investigated the impacts of ginkgetin on liver fibrosis and the underlying mechanisms. The impacts of ginkgetin on liver fibrosis were assessed in mouse models induced by thioacetamide or bile duct ligation. Experiments on human LX‐2 cells and primary mouse hepatic stellate cells (HSCs) were performed to explore the underlying mechanisms, which were also validated in the mouse models. Ginkgetin significantly decreased hepatic extracellular matrix deposition and HSC activation in the fibrotic models induced by thioacetamide (TAA) and bile duct ligation (BDL). Beneficial effects also existed in inhibiting hepatic inflammation and improving liver function. In vitro experiments showed that ginkgetin markedly inhibited HSC viability and induced HSC apoptosis dose‐dependently. Mechanistic studies revealed that the antifibrotic effects of ginkgetin depend on STAT1 activation, as the effects were abolished in vitro after STAT1 silencing and in vivo after inhibiting STAT1 activation by fludarabine. Moreover, we observed a meaningful cross‐talk between HSCs and hepatocytes, in which IL‐6, released by ginkgetin‐induced apoptotic HSCs, enhanced hepatocyte proliferation by activating STAT3 signaling. Ginkgetin exhibits antifibrotic effects by inducing HSC apoptosis via STAT1 activation and enhances hepatocyte proliferation secondary to HSC apoptosis via the IL‐6/STAT3 pathway.
Liver Cirrhosis, Interleukin-6, Apoptosis, Thioacetamide, Mice, Disease Models, Animal, STAT1 Transcription Factor, Liver, Hepatic Stellate Cells, Animals, Humans, Biflavonoids
Liver Cirrhosis, Interleukin-6, Apoptosis, Thioacetamide, Mice, Disease Models, Animal, STAT1 Transcription Factor, Liver, Hepatic Stellate Cells, Animals, Humans, Biflavonoids
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