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자료유형
학술저널
저자정보
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한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제16권 제9호
발행연도
2006.1
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1,399 - 1,404 (6page)

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The roots of Aralia continentalis (AC) have beenused traditionally in Korean as a folk medicine for anti-inflammation and as an anti-rheumatic. In this study, we reportthat the ethyl acetate-soluble fraction (ACE) of the methanolicextract of AC root inhibited the cel growth of various humancancer cel lines and induced apoptosis of HL-60, humanpromyelocytic leukemia cells. Its IC50 values on growth inhibitionwere estimated to be 56.3g/ml on HL-60, 87.2g/ml onHepG2, 93.2g/ml on HeLa, 135.5g/ml on DU-145, and135.8g/ml on HT-29 cells. Interestingly, ACE showed noantiproliferative efect on normal lymphocyte cells used ascontrol. Furthermore, nuclear DAPI staining revealed the typicalnuclear features of apoptosis in the HL-60 cells exposed to80 g/ml ACE, and a flow cytometric analysis of the HL-60cels using propidium iodide showed that the apoptotic celand 20% at 24 h after treated with 50g/ml of ACE. TUNELasay also revealed the apoptotic induction of the HL-60 cellstreated with ACE. To obtain further information on the ACE-induced apoptosis, the expression level of certain apoptosis-associated proteins was examined using a Western blotanalysis. Treatment of the HL-60 cells with ACE resulted inthe activation of caspase-3, and subsequent proteolytic cleavageof poly(ADP-ribose) polymerase (PARP). The above resultsby ACE, and that caspase-3-mediated PARP cleavage wasinvolved in the proces.

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