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http://dx.doi.org/10.3746/jkfn.2004.33.6.1074

Activity of the Extracts from Polyporus umbellatus as a Apoptosis Inducer  

신유진 (동서대학교 식품생명공학과)
김봉선 (동서대학교 식품생명공학)
서용준 (동서대학교 식품생명공학)
조덕제 (동서대학교 식품생명공학)
최원일 (대우약품(주)
이용규 (동서대학교 식품생명공학과)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.33, no.6, 2004 , pp. 1074-1077 More about this Journal
Abstract
The effect of gradient eluted fractions from Et$_2$O extracts of Polyporus umbellatus screlotium was investigated on the viability of leukemia cell lines, K-562, L-1210, HL-60 and U-937 cells. Among those fractions, fraction 2 showed mild cytotoxic effect on L-1210 and HL-60 cells. Fraction 3 showed cytotoxic effect on 4 cell lines, and cytotoxic effect was the most potent on L-1210. The hallmark of apoptosis, DNA fragmentation, also appeared by fraction 3 on L-1210 after 48 hr treatment. Furthermore, this fraction was shown to be able to induce cell death on L-1210 cells by the inhibition of DNA synthesis in [$^3$H]thymidine incorporation test. From these results, P. umbellatus involves a potent chemical component that inhibits the viability of leukemia cell lines, L-1210. Further studies about the components of fraction 3 to function as a apoptosis inducer are necessary.
Keywords
Polyporus umbellatus sclerotium; leukemia cells; cytotoxicity; DNA fragmentation; [$^3$H]thymidine incorporation;
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