Differentiation-associated alteration in sensitivity to apoptosis induced by (-)-epigallocatechin-3-O-gallate in HL-60 cells
被引:12
作者:
Okada, Norihisa
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机构:
Univ Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Univ Shizuoka, Global COE, Shizuoka 4228526, JapanUniv Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Okada, Norihisa
[1
,2
]
Tanabe, Hiroki
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机构:
Univ Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Univ Shizuoka, Global COE, Shizuoka 4228526, JapanUniv Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Tanabe, Hiroki
[1
,2
]
Tazoe, Hideaki
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机构:
Univ Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Univ Shizuoka, Global COE, Shizuoka 4228526, JapanUniv Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Tazoe, Hideaki
[1
,2
]
Ishigami, Yoko
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Univ Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Univ Shizuoka, Global COE, Shizuoka 4228526, JapanUniv Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Ishigami, Yoko
[1
,2
]
Fukutomi, Ryuuta
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机构:
Nisshin Seifun Grp Inc, Fujimino, Saitama 3568511, JapanUniv Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Fukutomi, Ryuuta
[3
]
Yasui, Kensuke
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Nisshin Pharma Inc, Fujimino, Saitama 3568511, JapanUniv Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Yasui, Kensuke
[4
]
Isemura, Mamoru
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Univ Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Univ Shizuoka, Global COE, Shizuoka 4228526, JapanUniv Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
Isemura, Mamoru
[1
,2
]
机构:
[1] Univ Shizuoka, Grad Sch Nutr & Environm Sci, Shizuoka 4228526, Japan
[2] Univ Shizuoka, Global COE, Shizuoka 4228526, Japan
[3] Nisshin Seifun Grp Inc, Fujimino, Saitama 3568511, Japan
[4] Nisshin Pharma Inc, Fujimino, Saitama 3568511, Japan
来源:
BIOMEDICAL RESEARCH-TOKYO
|
2009年
/
30卷
/
04期
关键词:
LEUKEMIA-CELLS;
GREEN TEA;
GENE-EXPRESSION;
1,25-DIHYDROXYVITAMIN D-3;
DNA FRAGMENTATION;
DEATH APOPTOSIS;
TUMOR-CELLS;
INDUCTION;
GALLATE;
CARCINOGENESIS;
D O I:
10.2220/biomedres.30.201
中图分类号:
R-3 [医学研究方法];
R3 [基础医学];
学科分类号:
1001 ;
摘要:
Green tea and its constituent (-)-epigallocatechin-3-O-gallate (EGCG) are known to have apoptosis-inducing activity on tumor cells Including human leukemia HL-60 cells, providing an explanation for their anti-cancer effects. In the present study, we compared the sensitivity of undifferentiated cells and differentiated HL-60 cells with normal-like phenotypic characters. HL-60 cells treated with three differentiating agents were found to be resistant to EGCG-mediated apoptosis as compared with undifferentiated cells. Gene and protein expression of 67 kDa laminin receptor was down-regulated in differentiated HL-60 cells, suggesting its contribution to the difference in sensitivity in view of the fact that the receptor is a target of EGCG's action to induce apoptosis. The finding supports the view that EGCG induces apoptosis preferentially in cancer cells as compared with normal counterparts.