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  • Title: The rate of sister chromatid exchanges parallel to spontaneous chromosome breakage in Fanconi's anemia and to trenimon-induced aberrations in human lymphocytes and fibroblasts.
    Author: Hayashi K, Schmid W.
    Journal: Humangenetik; 1975 Sep 23; 29(3):201-6. PubMed ID: 1165100.
    Abstract:
    The incidence of structural chromosome aberrations and the rate of sister chromatid exchanges (SCE) was investigated in lymphocyte cultures from a patient with typical Fanconi's anemia and his parents. The rate of SCEs was found to be normal. In experiments with the alkylating agent Trenimon the SCE rates proved to be a sensitive indicator for the induction of structural aberrations: in presence of an induced aberration rate half as high as the spontaneous rate in the Fanconi's anemia case, the rate of SCEs was found to be quintupled. Dose-effect relationships for the induction of SCE rates by Trenimon were studied over a wide dose range in lymphocyte and fibroblast cultures. The results reflect the same difference in sensitivity earlier observed in the induction of structural chromosome aberrations, fibroblasts being far more sensitive.
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