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  • Title: [Dependence of the cytogenetic adaptive response in the rat bone marrow cells on the dose of chronic gamma irradiation in vivo].
    Author: Zaichkina SI, Klokov DIu, Rozanova OM, Aptikaeva GF, Akhmadieva AKh, Ganassi EE.
    Journal: Radiats Biol Radioecol; 1999; 39(4):404-5. PubMed ID: 10542866.
    Abstract:
    The induction of chromosome aberrations in bone marrow cells of rats exposed to chronic gamma-irradiation and subsequently to acute gamma-irradiation was studied. Adult male rats were exposed ot 3-40 cGy (2.9 cGy/day) of chronic gamma-irradiation (adaptive dose) and subsequently to 4 or 6 Gy of gamma-rays (47 cGy/min, challenge dose). The yield of chromosome aberrations in marrow cells induced by adaptive and challenge dose was lower than the sum of the yields separately induced by chronic and acute gamma-irradiation. The most effective dose for induction of the adaptive response was 0.4 Gy.
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