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Effects of different ingredients of zedoary on gene expression of HSC-T6 cells

World Journal of Gastroenterology 2005年第43期11卷 6780-6786页

作者： Yuan Jiang Ze-Song Li Fu-Sheng Jiang Xin Deng Cong-Shun Yao Guang Nie shenzhen Shajing People's Hospital Shenzhen 518104 Guangdong Province China shenzhen yishengtang biology enterprise company Shenzhen 518126 Guangdong Province China shenzhen Donghu Hospital Shenzhen 518020 Guangdong Province China Teaching pharmacology and Research Section of Shenyang Pharmaceutial University Shenyang 110000 Liaoning Province China

AIM： To investigate the effects of four different ingredients of zedoary （Curcuma aromatica oil, Curcumol, β-elemence, and Curcumin） on the gene expressions of hepatic stellate cells （HSCs）, and to explore the molecular mechanism of zedoary against hepatic fibrosis at gene network level. METHODS： We detected the mRNA sequences of 50 liver fibrosis-related genes in GenBank and designed oligonucleotide probes. We synthesized oligonucleotides with PE8909 DNA synthesizing instrument, and carried out oligonucleotide microarray with OGR-04 dropping instrument and aldehyded glass chip. Cultured HSC-T6 cells were breated wibh different concentrations of Colchicine, Curcuma aromatica oil, Curcumol, β-elemence, and Curcumin. According to the experiment of cell toxicity, we took the appropriate concentrations of medicines that resulted in over 50% of cell survival as experiment concentrations. We collected the cells at 1, 6, 12, and 24 h, and extracted total RNA with TRIzol reagent, then labeled cDNAs with Cy3-dUTP and Cy5-dUTP. These labeled cDNAs were hybridized to an oligonucleotide microarray which was washed several times and scanned by scanner GenePix 4000B. Different gene expressions of HSC-T6 cells were analyzed by ImaGene 4.2 software. RESULTS： After HSC-T6 cells were cultured in a medium containing 6.25μg/mL Colchicine for 12 h, expression of TIMP-1 decreased 2.2-folds. After HSC-T6 cells were cultured in a medium containing 78.125 μg/mL of Curcuma aromatica oil for 24 h, the expression of TIMP-2 and IL-6 decreased 2.3- and 2.2-folds, respectively. Moreover, after HSC-T6 cells were cultured in a medium containing 1.5625 μg/mL of Curcumol for 12 h, the expression of TGFμ1 and P450a decreased 2.3- and 2.1-folds, respectively. CONCLUSION： Our results may show the possible molecular mechanism of Curcuma aromatica oil and Curcumol against hepatic fibrosis.

关键词： DNA microarray Curcuma aromatica oil Curcumol Hepatic stellate cells Hepatic fibrosis

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