Int. J. Mol. Sci. 2013, 14(10), 20543-20554; doi:10.3390/ijms141020543
Article

Combined Taurine, Epigallocatechin Gallate and Genistein Therapy Reduces HSC-T6 Cell Proliferation and Modulates the Expression of Fibrogenic Factors

1 Guangxi University Library, Guangxi University, Nanning 530004, Guangxi, China 2 Key Laboratory Joint Established by Ministry of Education and Guangxi, Medical Scientific Research Center of Guangxi Medical University, Nanning 530021, Guangxi, China
* Author to whom correspondence should be addressed.
Received: 12 August 2013; in revised form: 20 September 2013 / Accepted: 22 September 2013 / Published: 14 October 2013
(This article belongs to the Special Issue Non-Alcoholic Fatty Liver Disease Research)
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Abstract: Hepatic fibrogenesis involves the activation of hepatic stellate cells (HSCs), which synthesize excess extracellular matrix and contribute to the development of liver fibrosis. In a prior study we tested the effect of combined treatment with taurine, epigallocatechin gallate and genistein on the development of alcohol-induced liver fibrosis in vitro. In this study, the biological activity of the combination of these molecules was assessed by measuring its effect on cell proliferation, fibrosis-related gene expression, and proteomic expression profiling in the activated HSC cell line, HSC-T6. HSC-T6 cells were incubated with different concentrations of the drug combination taurine, epigallocatechin gallate and genistein. Cell proliferation was evaluated by MTT assay. Transforming growth factor β1 (TGF-β1), collagen type I (Col-I), matrix metalloproteinase-2 (MMP-2), and tissue inhibitor of metalloproteinases 1 and 2 (TIMP-1 and TIMP-2) mRNA were analyzed by semi-quantitative reverse-transcription PCR. Proteomic profiling of HSC-T6 cells was also performed by SELDI-TOF-MS. Combined drug treatment significantly inhibited cell proliferation and TGF-β1, Col-I, TIMP-1 and TIMP-2 mRNA expression in activated HSC-T6 cells, while the expression of MMP-2 mRNA increased. A total of 176 protein m/z peaks were identified. The intensities of 10 protein peaks were downregulated and two protein peaks were upregulated in HSC-T6 cells after combined drug treatment. In conclusion, combined drug treatment with taurine, epigallocatechin gallate and genistein can inhibit HSC proliferation, and impact fibrosis-related gene and protein expression. The antifibrotic effects of this drug combination may be due to its effects on the expression of fibrogenic genes.
Keywords: taurine; epigallocatechin gallate; fibrosis-related genes; hepatic stellate cells; liver fibrosis; proteomics

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MDPI and ACS Style

Li, Y.; Luo, Y.; Zhang, X.; Lin, X.; He, M.; Liao, M. Combined Taurine, Epigallocatechin Gallate and Genistein Therapy Reduces HSC-T6 Cell Proliferation and Modulates the Expression of Fibrogenic Factors. Int. J. Mol. Sci. 2013, 14, 20543-20554.

AMA Style

Li Y, Luo Y, Zhang X, Lin X, He M, Liao M. Combined Taurine, Epigallocatechin Gallate and Genistein Therapy Reduces HSC-T6 Cell Proliferation and Modulates the Expression of Fibrogenic Factors. International Journal of Molecular Sciences. 2013; 14(10):20543-20554.

Chicago/Turabian Style

Li, Yan; Luo, Ying; Zhang, Xuerong; Lin, Xing; He, Min; Liao, Ming. 2013. "Combined Taurine, Epigallocatechin Gallate and Genistein Therapy Reduces HSC-T6 Cell Proliferation and Modulates the Expression of Fibrogenic Factors." Int. J. Mol. Sci. 14, no. 10: 20543-20554.

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