INFLUENCE OF MISONIDAZOLE ON THE RADIOSENSITIVITY OF A HUMAN-MELANOMA IN NUDE-MICE - TIME-DEPENDENT INCREASE IN SURVIVING FRACTION

被引:27
作者
GUICHARD, M [1 ]
LANGENOMRI, FD [1 ]
MALAISE, EP [1 ]
机构
[1] INST GUSTAVE ROUSSY,16 BIS AVE PAUL VAILLANT COUTURIER,F-94800 VILLEJUIF,FRANCE
来源
INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS | 1979年 / 5卷 / 04期
关键词
Clonogenic assay; Melanoma; Misonidazole; Repair of PLD; Xenografts of human tumors;
D O I
10.1016/0360-3016(79)90811-3
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Using an in vitro colony method, we tested the effect of 1 mg/g misonidazole on a human melanoma transplanted into nude mice. The enhancement ratios were 1.6 when the cells were plated immediately after irradiation and 2.0 when plating was done after a delay of 6 hr. Whereas repair of potentially lethal damage (PLD) was demonstrated in cells without misonidazole, with the drug the surviving fraction was the same immediately or 6 hr after irradiation. Our interpretation of this finding is discussed. © 1979.
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页码:487 / 489
页数:3
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