A Study on the Induction of Sister-Chromatid Exchanges in Chinese Hamster Ovary $K_1$ Cells by Exposure to Cadmium

Chinese Hamster Ovary $K_1$ 세포의 자매염색분체교환에 미치는 카드뮴의 영향에 관한 연구

  • Hwang, In-Kyung (Department of Preventive Medicine, College of Medicine, Pusan National University) ;
  • Kim, Don-Kyoun (Department of Preventive Medicine, College of Medicine, Pusan National University)
  • 황인경 (부산대학교 의과대학 예방의학교실) ;
  • 김돈균 (부산대학교 의과대학 예방의학교실)
  • Published : 1990.06.01

Abstract

In order to examine the mutagenicity of cadmium dichloride the author studied the induction of sister chromatid exchanges in chinese hamster ovary $K_1$ cells which treated with cadmium dichloride at various concentrations. The results obtained were as follows : 1. In cells treated with $10^{-4}M$ cadmium dichloride, a small number of cells were viable but no mitosis was bound. 2. The frequencies of sister chromatid exchanges in cells treated with $10^{-5}M\;and\;10^{-6}M$ cadmium dichloride as $10.7{\pm}1.9\;and\;8.3{\pm}2.1$, respectively, were significantly increased for control ($6.0{\pm}2.3$). (P<0.05). 3. There were dose-dependent relationship between the concentration of cadmium dichloride and frequency of sister chromatid exchanges in cells treated with cadmium dichloride at concentration ranging from $10^{-5}\;to\;10^{-7}M$.

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