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  • Title: p38 MAPK and NF-kappaB pathways are involved in naphtho[1,2-b] furan-4,5-dione induced anti-proliferation and apoptosis of human hepatoma cells.
    Author: Chiu CC, Chen JY, Lin KL, Huang CJ, Lee JC, Chen BH, Chen WY, Lo YH, Chen YL, Tseng CH, Chen YL, Lin SR.
    Journal: Cancer Lett; 2010 Sep 01; 295(1):92-9. PubMed ID: 20350781.
    Abstract:
    Naphtho[1,2-b] furan-4,5-dione (NFD) was investigated for its anti-proliferation effect on human hepatocellular carcinoma (HCC), Hep3B, HepG(2), and Huh-7 cells. The effect of NFD on inhibiting proliferation and apoptosis was correlated with up-regulation of pro-apoptotic protein and down-regulation of pro-survival proteins. Remarkably, we found that NFD inhibited the nuclear translocation of NF-kappaB, likely accounting for the down-regulation of pro-survival Bcl-2 family. Furthermore, suppression of p38 MAPK activity by a specific inhibitor significantly rescued the cell proliferation inhibited by NFD. These findings suggest that signaling imbalance between p38 MAPK and NF-kappaB by NFD results in the proliferative inhibition and apoptosis of HCC tumor cells.
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