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Therapeutic Effects of 1-(4-amino-2-methyl-5-pyrimidinyl) methyl-3-(2-chloroethyl)-3-nitrosourea hydrochloride (ACNU) and Radiation on the Rat Glioma Katsuyoshi MINEURA 1 , Teruaki MORI 1 , Ryuichi KATAKURA 1 , Takehito SASAKI 2 1Division of Neurosurgery, Institute of Brain Diseases, Tohoku University School of Medicine 2Department of Radiological Research, Tohoku University School of Medicine Keyword: Glioma , Normal cells , ACNU , Combined chemo-radiotherapy , Colony formation pp.257-265
Published Date 1981/3/1
DOI https://doi.org/10.11477/mf.1436201284
  • Abstract
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The effect of ACNU or x-radiation on the reproductive integrity of the rat glioma clone-6 cells (RG cells) was analyzed by the colony formation assay in vitro. The surviving fraction of RG cells decreased exponentially according to time after addition of ACNU 100μg/ml to culture medium, but the decrease was biphasic with a break point about 90min. The time at a surviving fraction of 50%, was about 15 minutes.

The dose-survival curve for ACNU (120min. exposure) showed the existence of a shoulder, indicating repair capacity from sublethal damage, at 0-25μg/ml.


Copyright © 1981, Igaku-Shoin Ltd. All rights reserved.

基本情報

電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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