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http://dx.doi.org/10.3746/jkfn.2007.36.9.1099

In vitro Cytotoxic Effect of Extracts from Styela plicata  

Lee, Bo-Bae (Dept. of Food Science and Biotechnology, Kyungnam University)
Cha, Mi-Ran (Dept. of Food Science and Biotechnology, Kyungnam University)
Park, Hae-Ryong (Dept. of Food Science and Biotechnology, Kyungnam University)
Lee, Seung-Cheol (Dept. of Food Science and Biotechnology, Kyungnam University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.36, no.9, 2007 , pp. 1099-1105 More about this Journal
Abstract
The present study describes the preliminary evaluation of the anticancer activity of Styela plicata. Freeze-dried S. plicata was extracted with methanol, ethanol, acetone, and water, and then anticancer effect of the extracts was measured by the MTT reduction assay and phase-contrast microscopy on the HT-29 human colon carcinoma cells. Among the extracts, acetone extract showed the highest anticancer activity. The cell proliferation rates markedly decreased by 94.0% at the concentration of 500 ${\mu}g/mL$ of acetone extract compared with control cells. The acetone extract was further fractionated with hexane, diethyl ether, ethyl acetate, and water layer according to the degree of polarity. The HT-29 cells with hexane layer extract (250 ${\mu}g/mL$) decreased the cell viability to 5.1% of untreated control. The growth of SW620, HeLa, and MCF-7 cells was decreased to about 10%, by the treatment of hexane layer extract 250 ${\mu}g/mL$. Theses results suggest extracts from S. plicata as possible natural cancer therapeutic material.
Keywords
anticancer activity; Styela plicata; extract; MTT reduction assay;
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