Article
Quantification of thioguanine-resistant lymphocytes from mice irradiated in vivo.
Environmental health perspectives - 1 Aug 1990
Lorenz R, Göllner T, Hempel K
Abstract excerpt
Adult mice were Co-60 gamma irradiated, and 7 months later splenocytes were isolated, cultured in microwells, and the frequency of hprt-deficient mutants was determined by measuring the cloning efficiency in media with 6-thioguanine. The mutant frequency at 2, 4, and 6 Gy was 1.6 x 10(-5), 4.4 x 10(-5), and 12.7 x 10(-5), respectively. The frequency of spontaneous mutants was 2.5 x 10(-6). The effect of metabolic...
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