Abstract
The function of hepatic stellate cell (HSC)in liver fibrosis has been well recognized.In recent years,the role of HSC in the liver tumor microenvironment have been paid increasing attention.Platelet derived growth factor (PDGF) is the most important mitogen of hepatic stellate cell,and plays an important role in the activation of hepatic stellate cell.Hepatic stellate cell is not only the target cells of PDGF,but also PDGF-secreting cells.Thus a bi-directional cycle mode of PDGF activating hepatic stellate cell has been established.The signaling pathways of HSC activation include MAPK,PI-3K,Ca2+ and JAK pathways.To explore PDGF activating hepatic stellate cell in liver tumor microenvironment and to find the new methods of targeting PDGF and hepatic stellate cell,may help us find a new direction for the treatment of hepatocellular carcinoma. Key words: Hepatic stellate cell ; Platelet derived growth factor; Hepatocellular carcinoma ; Tumor microenvironment
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