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  • Title: The effect of cytotoxic drugs on the development of murine granulocyte-macrophage (GM) progenitor cells.
    Author: Cylwik B, Szmitkowski M.
    Journal: Mater Med Pol; 1992; 24(4):262-5. PubMed ID: 1308058.
    Abstract:
    The effect of cytotoxic drugs was tested on the hematopoietic system by assay of the ability of granulocyte-macrophage colony forming cell (GM-CFC) in mice to create GM colonies. The in vivo ability of bone marrow progenitor cells to granulocyte-macrophage colony formation, was tested after long-term peritoneal cytotoxic drug administration. The direct effect of these agents on cells in vitro culture was evaluated also. It was found that cytotoxic drugs inhibit the GM colony formation. The degree of damage to the bone marrow progenitor cells by assaying in vivo colony formation inhibition, depends on the drug dosage and length of therapy (after 25-30 days of treatment the colony growth was below 50%). The in vitro inhibition of granulocyte-macrophage colony formation depends on the concentration of drug (10(-7)-10(-5) M is critical for GM colony growth). The results suggest the possibility of the GM-CFC growth testing as an indicator of the progress or side effects of cytotoxic therapy.
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