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  • Title: Evaluation of the marrow culture on the macrophage layer covering intraperitoneally implanted membrane as an assay for hemopoietic progenitor cells.
    Author: Górnaś P, Wiktor-Jedrzejczak W.
    Journal: Folia Haematol Int Mag Klin Morphol Blutforsch; 1981; 108(1):16-22. PubMed ID: 6164611.
    Abstract:
    When cellulose acetate membranes are implanted into abdominal cavity of mice they turn into a foreign body overgrown with macrophages. Such macrophage layer has been shown by other authors to be able to support the growth of hemopoietic colonies formed by intraperitoneally injected hemopoietic cells. This study confirms and extends this observation by showing that both granulopoietic and erythropoietic colonies may be observed. The number of colonies grown is in linear correlation with that of injected hemopoietic cells. The frequency of erythropoietic colonies was greatly enhanced by blood letting of the host mice. Colony forming cells were most numerous in the bone marrow then in the spleen and peripheral blood and hardly in the thymus. Prior irradiation of the host mice was essential for obtaining colony growth and the optimal dose was determined to be 6.0 Gy. This technique opens the way to studies into hemopoietic progenitor cells for laboratories having no sophisticated tissue culture equipment and where necessary reagents are easily available.
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