期刊
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
卷 91, 期 1, 页码 178-185出版社
WILEY-BLACKWELL
DOI: 10.1002/jsfa.4170
关键词
apoptosis; caspases; G(2)/M arrest; hepatocellular carcinoma; Solanum nigrum L. polyphenolic extract
资金
- National Science Council, Taiwan, ROC [NSC96-2321-B040-001]
BACKGROUND: Hepatocellular carcinoma (HCC) is a rapidly progressive cancer with poor prognosis. However, there have been no significant new developments in treating liver cancer. To search for an effective agent against HCC progression, we prepared a polyphenolic extract of Solanum nigrum L. (SNPE), a herbal plant indigenous to Southeast Asia and commonly used in oriental medicine, to evaluate its inhibitive effect on hepatocarcinoma cell growth. The growth inhibition of HepG2 cells in vitro and in vivo was determined in the presence of SNPE. RESULTS: We found 1 mu gmL(-1) SNPE-fed mice showed decreased tumor weight and tumor volume by 90%. Notably, 2 mu g mL(-1) SNPE resulted in almost complete inhibition of tumorweight aswell as tumor volume. In linewith this notion, SNPE reduced the viability of HepG(2) cells in a dose-dependentmanner. HepG(2) cells were arrested in the G(2)/M phase of the cell cycle; meanwhile, the protein levels of cell CDC25A, CDC25B, and CDC25C were clearly reduced. Moreover, sub-G(1) phase accumulation and caspases-3, 8, and 9 cleavages were induced by SNPE. CONCLUSION: This study shows that SNPE is a potent agent for HCC treatment through targeting G(2)/M arrest and apoptosis induction, achieving cell growth inhibition. (C) 2010 Society of Chemical Industry
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