Journal
FOOD AND CHEMICAL TOXICOLOGY
Volume 45, Issue 7, Pages 1249-1257Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2007.01.005
Keywords
Antrodia cinnamomea; invasion; liver cancer; MMPs; NF-kappa B
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In this study, we first report the anti-invasive effect of ethylacetate extract from Antrodia cinnamomea (EAC) fruiting bodies in the human liver cancer cell line PLC/PRF/5. Treatment with EAC decreased the cancer invasion of PLC/PRF/5 cells in a dose-dependent manner. This effect was strongly associated with a concomitant decrease in either the level or activity of VEGF, MMP-2, MMP-9 and MT1-MMP, and an increase in the expression of TIMP-1 and TIMP-2. EAC inhibited constitutively activated and inducible NF-kappa B in both its DNA-binding activity and transcriptional activity. Furthermore, EAC also inhibited the TNF-alpha-activated NF-kappa B-dependent reporter gene expression of MMP-9 and VEGF, and the invasion of cancer cells. EAC also exhibited an inhibitory effect on angiogenesis in a Matrigel Plug Angiogenesis Assay. Further investigation revealed that EAC's inhibition of cancer cell growth and invasion was also evident in a nude mice model. Our results indicate that EAC inhibits the activation of NF-kappa B, and may provide a molecular basis for drug development using EAC as an anti-invasive agent in the prevention and treatment of cancer. (c) 2007 Elsevier Ltd. All rights reserved.
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