Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20060
Title: Apoptosis-inducing activity of new pyrazole emodin derivatives in human hepatocellular carcinoma HepG2 cells
Authors: Wang, XD
Gu, LQ
Wu, JY 
Keywords: Apoptosis
Caspase-3
Emodin derivative
HepG2 cell
Issue Date: 2007
Publisher: Pharmaceutical Society of Japan
Source: Biological and pharmaceutical bulletin, 2007, v. 30, no. 6, p. 1113-1116 How to cite?
Journal: Biological and pharmaceutical bulletin 
Abstract: A series of new pyrazole derivatives from emodin synthesized in our lab have been shown to have much stronger cytotoxicity than emodin against various tumor cell lines.1) This study was to examine the apoptosis-inducing activity of these new emodin derivatives in human hepatocellular carcinoma HepG2 cell culture for a better understanding of their cytotoxic effects on the cancer cells. Several major events in the induction of cell apoptosis, nuclear chromatin condensation, DNA fragmentation, caspase-3 activation and poly ADP-ribose polymerase (PARP) cleavage were detected in the cells after treatment with the compounds at various concentrations. Of the seven emodin derivatives tested at a dose of 10 μM and within a treatment period of 24 h, only compounds 1 and 3 effectively induced all these apoptotic events in the cancer cells. The apoptosis-inducing activity of the compounds showed a positive correlation to their cytotoxic activity, suggesting a close connection between the growth inhibition and apoptosis induction of the cancer cells by these pyrazole emodin derivatives.
URI: http://hdl.handle.net/10397/20060
ISSN: 0918-6158
EISSN: 1347-5215
DOI: 10.1248/bpb.30.1113
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