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  • Title: [The role of separate subpopulations of bone marrow elements in regulating the proliferation processes of hemopoietic and tumor cells].
    Author: Dygaĭ AM, Bogdashin IV, Shakhov VP, Mikhlenko AV, Gol'dberg ED.
    Journal: Nauchnye Doki Vyss Shkoly Biol Nauki; 1991; (4):29-36. PubMed ID: 1859856.
    Abstract:
    The role of intercellular interactions in regulation of proliferation process in normal and tumor cells has been studied in experiments with mouse hybrids F1 (CBA X C57BL/6). The cytostatic activity to tumor cells has been shown to possess both adherent and nonadherent cells of bone marrow. The adherent cell-effectors inhibit, nonadherent ones stimulate the DNA synthesis in myelokaryocytes of normal bone marrow. During the activation of bone-marrow proliferation (under 10-hour immobilized stress) the cytostatic effect of nonadherent cells to tumor ones grows; the myelokaryocyte proliferation is stimulated on the 4th day after immobilized stress. The cytostatic activity of adherent cell-effectors remains to be low up to 7th day after immobilization. The maximum of depression in cytostatic function of the adherent elements coincides with the peak of bone marrow proliferation activity (6th day). The character of changes in cytostatic activity of adherent cells to tumor and nontumor ones is of the same type. The data obtained testify to the generality of regulation mechanisms in proliferation of tumor and normal cells.
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