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KMID : 1134820070360070819
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Journal of the Korean Society of Food Science and Nutrition
2007 Volume.36 No. 7 p.819 ~ p.824
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The Cytotoxicity of Artemisia fukudo Extracts Against HL?60 Cells
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Kim Kil-Nam
Lee Jung-A
Yoon Weon-Jong
Kim Ji-Young
Song Gwan-Pil
Park Soo-Yeong
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Abstract
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The present study describes the cytotoxic effect of Artemisia fukudo extracts. The extract from A. fukudo by 80% ethanol was fractionated with n-hexane, dichloromethane, ethylacetate, and butanol in serial. The cytotoxicity of A. fukudo extracts was examined for its effect on the growth of HL-60 cells by the colorimetric 3-(4,5-dimethylthiazol)-2,5-diphenyltetrazolium bromide (MTT) assay. In addition, we used the HL-60 cells to see what effects the A. fukudo extracts will have on apoptosis of cancer cells. We checked the cell activity, cell morphologic changes, DNA fragmentation, and DNA content after 24 hr incubation with administering 25 ㎍/mL of the A. fukudo extracts. In the treatment of the low concentration of n-hexane and dichloromethane fractions, the survival rate of HL-60 cells is lower than that of the control. The laddering-pattern DNA fragmentation was observed in the treatment with n-hexane and dichloromethane fractions. The DNA content of the cells apoptosis measured as the density of sub-G1 hypodiploid cells by flow cytometric analysis. The number of sub-G₁ hypodiploid cells increased in the treatment with n-hexane and dichloromethane fractions. These fractions obstructed the cell cohesion and caused the blebbing of the cell membrane and fragmentation of the nucleus, both of which are symptoms of apoptosis. These results suggest that A. fukudo has a great potential value as food additives, medicinal supplements for patients with chronic diseases, and preventive measures against cancer.
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KEYWORD
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Artemisia fukudo, HL-60 cells, cytotoxicity, apoptosis
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