Effects of TanshinoneⅡA on expression of transforming growth factor-β/Smads signaling pathway related factors in the liver tissue of rats with hepatic fibrosis

doi:10.3969/j.issn.2095-4344.2015.27.015

Abstract

Abstract:

BACKGROUND: Liver fibrosis is a kind of chronic and active disease that is caused by various causes and characterized by the excessive accumulation of extracellular matrix. At present, use of Chinese herbs for the treatment of hepatic fibrosis has obvious advantages. Salvia miltiorrhiza has been shown to be highly effective in the treatment of hepatic fibrosis. However, the underlying mechanism needs further investigation.
OBJECTIVE: To investigate the effects of TanshinoneⅡA on the expression levels of transforming growth factor-β/Smads signaling pathway related factors transforming growth factor-β, bone morphogenetic protein 7, Smad6 and Smad7 in the liver tissue of rats with hepatic fibrosis.
METHODS: SD rats were randomly divided into three groups (n = 10): normal control, model and TanshinoneⅡA-treated groups. Rats in the model and TanshinoneⅡA-treated groups were subtaneously injected with olive oil-diluted 10% CCl4 ( 5 mL/kg) twice a week, 8 weeks in total, to build rat models of hepatic fibrosis. Four weeks after hepatic fibgrosis induction, rats in the TanshinoneⅡA-treated group received subtaneous injection of TanshinoneⅡA till eight weeks. Rats in the normal control group were subcutaneously injected with olive oil.
RESULTS AND CONCLUSION: Western blotting and reverse transcription-polymerase chain reaction (RT-PCR) detection showed that in the model group, the expression of transforming growth factor-β in the rat liver tissue was significantly increased (P < 0.01) and the expression of bone morphogenetic protein-7, Smad6 and Smad7 was significantly decreased (P < 0.01) compared with the normal control group. TanshinoneⅡA could obviously reverse the expression of those factors above-mentioned (P < 0.01). The results suggest that TanshinoneⅡA can be used for treatment of hepatic fibrosis by decreasing the expression of transforming growth factor-β and increasing the expression of bone morphogenetic protein-7, Smad6 and Smad7.

中国组织工程研究杂志出版内容重点：肾移植；肝移植；移植；心脏移植；组织移植；皮肤移植；皮瓣移植；血管移植；器官移植；组织工程

CLC Number:

R318

Zhang Cai-hua, Li Cong, Li Hua-jun, Guo Lian-ying, Jia Yu-jie. Effects of TanshinoneⅡA on expression of transforming growth factor-β/Smads signaling pathway related factors in the liver tissue of rats with hepatic fibrosis [J]. Chinese Journal of Tissue Engineering Research, 2015, 19(27): 4345-4350.

Figures/Tables 6

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