IN-VIVO GROWTH-INHIBITION OF L1210 LEUKEMIA BY 4-AMIDINOINDAN-1-ONE 2'-AMIDINOHYDRAZONE (CGP 48664A), A NEW INHIBITOR OF S-ADENOSYLMETHIONINE DECARBOXYLASE

被引:17
作者
DORHOUT, B
VELDE, RJT
FERWERDA, H
KINGMA, AW
DEHOOG, E
MUSKIET, FAJ
机构
[1] Central Laboratory for Clinical Chemistry, University Hospital Groningen, Groningen
关键词
D O I
10.1002/ijc.2910610212
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
We studied the in vivo growth-inhibitory effect of the new S-adenosylmethionine decarboxylase inhibitor 4-amidinoindan-1-one 2'-amidinohydrazone (CGP 48664A). L1210-bearing DBA-2 mice were treated with increasing CGP 48664A doses from I day after i.p. L1210 cell inoculation. Treatment was continued for 4 days, after which all mice were killed. CGP 48664A caused dose-related exponential decreases of L1210 cell numbers and spermidine and spermine contents. Putrescine contents increased exponentially. Polyamine changes in spleen and liver were less profound. L1210 growth inhibition was not accompanied by changes in cell cycle phase distribution. It is concluded that CGP 48664A is an effective inhibitor of S-adenosylmethionine decarboxylase but that CGP 48664A-induced changes in intracellular polyamine compositions are not necessarily the cause of growth inhibition. (C) 1995 Wiley-Liss, Inc.
引用
收藏
页码:214 / 217
页数:4
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