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  • Title: [Dynamic expression of tenascin in rat liver during liver fibrogenesis induced by CCl(4)].
    Author: Yao D, Li S, Kong X, Ye T, Fan J, Zhong L, Wang G, Tian L, Wu W, Li M.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2002 Feb; 10(1):40-2. PubMed ID: 11856502.
    Abstract:
    OBJECTIVE: To study the expression of tenascin in normal and fibrotic rat liver. METHODS: Liver fibrosis induced in rat with CCl(4) were divided into three stages: the stage of hepatic injury (4 weeks), early stage of hepatic fibrosis (8 weeks) and later stage of hepatic fibrosis (12 weeks). Tenascin expression in liver tissue was observed by immunohistochemical method and in situ hybridization using digoxigenin-labelled DNA probe. RESULTS: In normal rat liver there was a weak staining for tenascin. In both liver injury stage and early stage of hepatic fibrosis, both mRNA signal and immunostaining for tenascin were significantly increased as compared to that in normal liver. In later stage of hepatic fibrosis, mRNA signal and immunostaining for tenascin were decreased compared with that in early stage of hepatic fibrosis. The cellular source of tenascin in liver mainly restricted in mesenchymal cells. CONCLUSIONS: Tenascin is a component of the extracellular matrix of liver tissue. Plays a role in early matrix organization during liver fibrogenesis.
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