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Objective: To investigate the expression and the role of transforming growth factor 6 (TGF-β) receptors in CCI4 --Induced cirrhotic liver. Methods: In situ hybridization was used. Results: The TGF--β type I receptors mRNA was mainly expressed in Ito cells, endothelial cells and myofibroblasts. Only a few hepatocytes expressed it. However. the TGF-β type Ⅱ receptors was mostly localized in endothelial cells and Ito cells but few hepatocytes. The expression of mRNA of both the 2 types of receptors were significantly increased in the cirrhotic liver than in the control. Conclusion: The autocrine and paracrine effects of TGF-β on matrix production and activation of Ito cells might be an important factor of fibrogenesis in CCI4 cirrhotic ever.
Objective: To investigate the expression and role of transforming growth factor 6 (TGF-β) receptors in CCI4 -Induced cirrhotic liver. Methods: In situ hybridization was used. However, the TGF-β type Ⅱ receptors was mostly localized in endothelial cells and Ito cells but few hepatocytes. The expression of mRNA of both the 2 types of receptors were significantly increased in the cirrhotic liver than in the control. Conclusion: The autocrine and paracrine effects of TGF-β on matrix production and activation of Ito cells might be an important factor of fibrogenesis in CCI4 cirrhotic ever.