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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Li, Chia-Cheng Hsiang, Chien-Yun Wu, Shih-Lu Ho, Tin-Yun |
| Description | Country affiliation: Taiwan Author Affiliation: Li CC ( Graduate Institute of Chinese Medicine, China Medical University, Taichung 40402, Taiwan.) |
| Abstract | In this study, we applied bioluminescent imaging-guided transcriptomic analysis to evaluate and identify the therapeutic potentials and novel mechanisms of silymarin on carbon tetrachloride (CCl(4))-induced liver fibrosis. Transgenic mice, carrying the luciferase genes driven by nuclear factor-κB (NF-κB), were given with CCl(4) and/or silymarin. In vivo NF-κB activity was evaluated by bioluminescent imaging, liver fibrosis was judged by Sirius red staining and immunohistochemistry, and gene expression profiles of silymarin-treated livers were analyzed by DNA microarray. CCl(4) enhanced the NF-κB-dependent hepatic luminescence and induced hepatic fibrosis, while silymarin reduced the CCl(4)-induced hepatic luminescence and improved CCl(4)-induced liver fibrosis. Microarray analysis showed that silymarin altered the transforming growth factor-ß-mediated pathways, which play pivotal roles in the progression of liver fibrosis. Moreover, we newly identified that silymarin downregulated the expression levels of cytoskeleton organization genes and mitochondrion electron-transfer chain genes, such as cytochrome c oxidase Cox6a2, Cox7a1, and Cox8b genes. In conclusion, the correlation of NF-κB-dependent luminescence and liver fibrosis suggested the feasibility of NF-κB bioluminescent imaging for the evaluation of liver fibrosis progression and therapeutic potentials. Moreover, our findings suggested that silymarin might exhibit anti-fibrotic effects in vivo via altering the expression of genes involved in cytoskeleton organization and mitochondrion electron-transfer chain. |
| File Format | HTM / HTML |
| ISSN | 02786915 |
| Issue Number | 5 |
| Volume Number | 50 |
| e-ISSN | 18736351 |
| Journal | Food and Chemical Toxicology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Toxicology__semicolon__nutritional Discipline Sciences Carbon Tetrachloride Toxicity Liver Cirrhosis Drug Therapy Nf-kappa B Metabolism Silymarin Therapeutic Use Transcriptome Animals Base Sequence Dna Primers Gene Expression Profiling Immunohistochemistry Chemically Induced Luminescence Mice Mice, Transgenic Real-time Polymerase Chain Reaction Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Toxicology Food Science |
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