INHIBITORY EFFECTS OF TEA EXTRACTS AND (-)-EPIGALLOCATECHIN GALLATE ON DNA-SYNTHESIS AND PROLIFERATION OF HEPATOMA AND ERYTHROLEUKEMIA-CELLS

被引:91
作者
LEA, MA [1 ]
XIAO, Q [1 ]
SADHUKHAN, AK [1 ]
COTTLE, S [1 ]
WANG, ZY [1 ]
YANG, CS [1 ]
机构
[1] RUTGERS STATE UNIV,COLL PHARM,CANC RES LAB,PISCATAWAY,NJ 08855
关键词
TEA; POLYPHENOL; (-)-EPIGALLOCATECHIN GALLATE; DNA SYNTHESIS; HEPATOMA; ERYTHROLEUKEMIA;
D O I
10.1016/0304-3835(93)90151-X
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Polyphenols extracted from green or black tea with ethyl acetate were strongly inhibitory for DNA synthesis in HTC rat hepatoma cells and DS19 mouse erythroleukemia cells at concentrations of 0.1 - 0.2 mg/ml. There was less inhibition with a subsequent black tea fraction extracted with butanol and with the residual water-soluble fraction. Although cell proliferation was inhibited by (-)-epigallocatechin gallate and the tea extracts, there were only marginal effects on differentiation of DS19 cells as judged by hemoglobin synthesis.
引用
收藏
页码:231 / 236
页数:6
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