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  • Title: [Redistribution of bone marrow cells according to mitotic cycle phases after the action of agents altering the intracellular concentration of cyclic nucleotides].
    Author: Gracheva NI, Pereverzev AE, Rozanov IuM.
    Journal: Tsitologiia; 1987 Jun; 29(6):706-10. PubMed ID: 3307077.
    Abstract:
    The method of flow cytofluorometry was used to determine the distribution of murine bone marrow cells along the phases of the cell cycle in normal mice (CBA X C57Bl) F1 after the whole body equal X-ray irradiation, after irradiation in combination with burn, after administration of imidazole, insulin and caffeine, and after the treatment of cells by acetylcholine. In non-irradiated mice insulin and caffeine induced an increased ratio of bone marrow cells in G0 and G1 and a reduced one in S phase. Imidazole increased the number of G2- and M-cells by 1.5 times only in regenerating bone marrow of irradiated mice. After X-ray irradiation of mice at a dose of 2.3 Gy, reducing the percentage of cells in S and increasing it in G2 and M phases, insulin, acetylcholine and caffeine were found to decrease the number of cells in G2 and M phases: besides, caffeine and acetylcholine increased the percentage of S-phase cells. The data obtained are discussed in terms of possibility of normalization of bone marrow cell proliferation broken after exposure to physical stress-factors.
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