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  • Title: [Role of the processes of repair of DNA damage in the repair of cytogenetic disorders. Participation of the repair of DNA single-strand breaks in the repair of cytogenetic disorders].
    Author: Rozanova OM, Zaichkina SI, Aptikaeva GF, Ganassi EE.
    Journal: Radiobiologiia; 1989; 29(5):585-8. PubMed ID: 2685864.
    Abstract:
    A comparison was made between the results of the effect of poly(ADP-ribosylation) inhibitors (e.g. nicotinamide and 3-aminobenzamide) and a chromatin proteinase inhibitor, phenylmethylsulfonylfluoride, on the cytogenetic damages repair, by a micronucleus test and DNA repair in Chinese hamster fibroblasts. The values of the repair half-periods (5-7 min for the cytogenetic damages and 5 min for the rapidly repaired DNA damages) and a similar modifying effect with regard to radiation cytogenetic damages and kinetics of DNA damages repair were found to be close. This confirms the contribution of repair of DNA single-strand breaks in the initiation of structural damages to chromosomes.
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