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KMID : 0370220030470050319
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Yakhak Hoeji
2003 Volume.47 No. 5 p.319 ~ p.324
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Induction of Apoptosis by Extracts of Trichosanthes kirilpwii var. japonica in HL-60 Leukemia Cells
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김상철/Kim SC
박수영/현재희/이영기/박덕배/유은숙/강희경/Park SY/Hyoun JH/Lee YK/Park DB/Kang SY/Yoo ES/Kang HK
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Abstract
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This study examined the inhibitory effect of extracts of Trichosanthes kirilpwii sorted according to the parts on the growth of HL-60 cells. The growth of HL-60 leukemi a cells was markedly inhibited by the treament of the 80% methanol extract of roots (10 μg/ml), stems (50 μg/ml), pips (10 μg/ml), and gourds (100 μg /ml), or the ethylacetate fraction of leaves (100 μg/ml). When the HL-60 cells were treated with the extracts of T. kirilpwii sorted according to the parts, DNA fragmentation and sub-G1 hypodiploid cells were observed. Moreover, T. Kirilpwii extracts increased the level of the expression of the active form of caspase-3 and the activation of caspase-3 was demonstrated by the cleavage of poly (ADP-ribose) polymerase, a vital substrate of effector caspase. The results suggest that the inhibitory effect of extracts of T. kirilpwii sorted according to the parts on the growth of HL-60 cells seems to arise from the induction of apoptosis.
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KEYWORD
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