Document Detail

Flow cytometry analysis of cancer cell death induced by the extract of Thai plant <i>Ellipeiopsis cherrevensis</i>
MedLine Citation:
PMID:  22850758     Owner:  NLM     Status:  Publisher    
The mechanism of cancer cell death induced by KP018, an ethanol extract of Thai Plant Ellipeiopsis cherrevensis, was examined in paclitaxel-resistant HepG2 (PR-HepG2) and colon-26 cells using flow cytometry. In PR-HepG2 cells, KP018 induced necrosis in a concentration-dependent manner. Necrosis of PR-HepG2 cells induced by KP018 as well as by hydrogen peroxide was suppressed by co-treatment of the cells with N-acetylcysteine. KP018 decreased the viability of colon-26 cells with an IC<inf>50</inf> value of 15.1 µg/mL, which was estimated by XTT assay. As observed in PR-HepG2 cells, KP018 induced necrosis and the necrosis was suppressed by N-acetylcysteine in colon-26 cells. In addition, using colon-26 solid tumor-bearing mice, KP018 was found to suppress tumor growth without apparent toxicities under in vivo condition. These results indicate that KP018 induces necrosis rather than apoptosis in these cancer cells, and reactive oxygen species such as hydrogen peroxide would be involved in KP018-induced necrosis. KP018 may be a useful source to search for a new anticancer drug that can be used for the chemotherapy of multidrug resistant tumors.
Ryoko Yumoto; Saki Kakizoe; Junya Nagai; Denpong Patanasethanont; Bung-Orn Sripanidkulchai; Mikihisa Takano
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-31
Journal Detail:
Title:  Drug metabolism and pharmacokinetics     Volume:  -     ISSN:  1880-0920     ISO Abbreviation:  Drug Metab. Pharmacokinet.     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-8-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101164773     Medline TA:  Drug Metab Pharmacokinet     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Pharmaceutics and Therapeutics, Graduate School of Biomedical & Health Sciences, Hiroshima University.
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