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Proliferation of human bone marrow cells in vitro: inhibition by Candida albicans components
1Department of Dermatology, University of Rostock Medical School, Germany.
Abstract:
We studied the influence of human recombinant granulocyte-macrophage colony-stimulating factor (rhGM-CSF) and Candida albicans (CA) components, either alone or in combination, on the proliferation of human bone marrow cells in vitro (colony-forming assay). The number of colonies per 10(5) bone marrow cells after cultivation with rhGM-CSF [maximal (plateau) colony formation] was: 46.2 +/- 9.1 (n = 6); after cultivation with rhGM-CSF in combination with CA components the numbers of colonies were as follows: 0.05 mg protein/ml, 33.4 +/- 4.6 (n = 3); 0.10 mg protein/ml, 20.8 +/- 3.6 (n = 3). The mechanisms responsible for this inhibition of colony formation are still unknown. They may be of pathogenetic significance in CA infection.