Chinese herb Radix Polygoni Multiflori as a therapeutic drug for liver cirrhosis in mice
Liver regeneration not only plays a functional role in directing the restoration of liver mass after resection or injury, but also may have participated in effective therapy of liver cirrhosis. Additionally, hepatocyte growth factor (HGF) appears to be a factor of great importance in liver regeneration and attenuated progression of experimental liver cirrhosis. The aim of this study is to use Radix Polygoni Multiflori (POMU) extract, a Chinese herb traditionally used for liver-protective therapy, as a reagent for the evaluation of its potential medicinal use in liver cirrhosis. We used in vitro coculture system to show that POMU could promote the expression of HGF by hepatic nonparenchymal cells, consequently the proliferation of primary liver cells and phagocytic activity of Kupffer cells using fluorescein-labeled Escherichia coli as the target, and inhibit the proliferation of stellate cells. Using dimethylnitrosamine-induced liver cirrhosis animal, POMU even at 20mg/(kgday) dosage, was illustrated to reverse the pathogenic progression of the disease, decrease the hydroxyproline content and increases the expression of HGF messenger RNA in liver tissue. The survival rate was significantly increased in the POMU-treated animal. In conclusion, our study showed the promise of POMU in the medicinal use for the treatment of liver cirrhosis.
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