Erythropoietin-stimulated erythropoiesis in long-term bone marrow culture.
Eliason, J Testa, Nydia G Dexter, T Michael
Eliason, J
Testa, Nydia G
Dexter, T Michael
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Abstract
The proliferation of multipotential haematopoietic stem cells (CFU-S) is possible in some long-term bone marrow cultures. Granulocyte and macrophage progenitor (CFU-C) and megakaryocyte precursor cells (CFU-M) are present in these cultures and undergo full development into mature cells. In contrast, while immature erythroid progenitors ('early' BFU-E) are maintained in long-term culture, none of the more differentiated progeny (CFU-E) have been detected, and no morphologically recognisable erythroid cells have been observed. We now describe a modified culture system in which the 'early' BFU-E develop into 'late' BFU-E in response to added erythropoietin. Further maturation of these cells into CFU-E and non-nucleated erythrocytes can be achieved by mechanical agitation of the long-term cultures or by transferring the cells into dishes which do not allow cell attachment to occur.
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1979-10-04
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Erythropoietin-stimulated erythropoiesis in long-term bone marrow culture. 1979, 281 (5730):382-4 Nature