4.7 Article

Alantolactone induces activation of apoptosis in human hepatoma cells

期刊

FOOD AND CHEMICAL TOXICOLOGY
卷 50, 期 9, 页码 3313-3319

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2012.06.014

关键词

Alantolactone; Apoptosis; NF-kappa B; Cell cycle; Liver cancer

资金

  1. National Natural Science Foundation of China [30970294, 31070317]

向作者/读者索取更多资源

Alantolactone, a sesquiterpene lactone, possesses anti-inflammatory property. In this study, we provide evidence that it could be developed as a novel agent against human liver cancer. We observed that alantolactone treatment to HepG2, Bel-7402 and SMMC-7721 cells, human liver cancer cell lines resulted in a dose-dependent inhibition of cell growth. We selected HepG2 cell line as a test model system. Alantolactone treatment of HepG2 cells resulted in a dose-dependent induction of apoptosis and arrest of cells in G2-M phase. This induction of apoptosis seems to be mediated via modulating the protein levels of Bcl-2 family and activation of caspases. Moreover, caspase-8 and Bid activation, loss of mitochondrial transmembrane potential and cytochrome c release suggest the existence of a cross-talk between the death receptor and the mitochondria! pathways. We also observed that alantolactone treatment of cells resulted in a dose-dependent decrease in NF- kappa B/p65. In addition, a significant and progressive increase in the level of p53 protein in alantolactone-treated cells was observed. Taken together, our data suggest that alantolactone could be developed as an agent against human liver cancer. (C) 2012 Elsevier Ltd. All rights reserved.

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