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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2005.1
- 수록면
- 772 - 778 (7page)
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초록· 키워드
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The chloromethyl-2-dihydroxyphosphinyl-6,7-dimethoxy-1,2,3,4-tetrahydro- isoquinoline (CDDT) is a newly synthesized derivative from 1,2,3,4-Tetra- hydroisoquinoline (THIQ). The THIQs include potent cytotoxic agents that display a range of antitumor activities, antimicrobial activity, and other biological properties. In this study, we investigated the effect of CDDT on the cytotoxicity, induction of apoptosis in human promyelocytic leukemia cells (HL-60 cells). CDDT showed a significant cytotoxic activity in HL-60 cells ($IC_{50}$ = approximately $37\;{\mu}g/ml$) at a 24 hr incubation. Treatment of HL-60 cells with CDDT displayed several features of apoptosis, including formation of DNA ladders in agarose gel electrophoresis, morphological changes of HL-60 cells with DAPI stain. Here we observed that CDDT caused activation of caspase-3, caspase-8, and caspase-9. The most efficacious time on the activation of caspases-3 was achieved at 12 hr. Further molecular analysis demonstrated that CDDT led to cleavage of poly(ADP-ribose) polymerase (PARP), increase of hypodiploid (Sub-G1) population in the flow cytometric analysis. In conclusion, these above results indicate that CDDT dramatically suppresses HL-60 cell growth by activation of caspase-3 with caspase-8, -9 activity. These data may support a pivotal mechanism for the use of CDDT in the prevention and treatment of leukemia.
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In vitro Growth Inhibition and Apoptotic Effects of Hang-baek-Tang on HL-60 Cells
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Mechanism of Apoptotic Cell Death by 2,4,3',5'-Tetramethoxystilbene in Human Promyelocytic Leukemic HL-60 Cells
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Anti-cancer effect of Eriocaulon sieboldianum through the activation of caspase-3 in human leukemia cell line, HL-60 cells
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