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EMBO J. 1983;2(9):1509-14.

Alteration of vimentin intermediate filament expression during differentiation of human hemopoietic cells.

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Laboratoire d'Immunologie et d'Immunopathologie, INSERM U. 108, Institut de Recherche sur les Maladies du Sang et H─Ápital Saint Louis, Paris, France.


We describe the alterations of vimentin intermediate filament (IF) expression in human hemopoietic committed precursors as they differentiate into mature cells of the erythroid, granulomonocytic, megacaryocytic and lymphoid lineages. A double labelling fluorescence procedure was used to identify hemopoietic cells expressing lineage-specific antigens and to decorate the vimentin IF network. Whereas very early progenitors from each lineage expressed vimentin, the density and organization of the network differed strikingly as the cells matured on a given pathway. T lymphocytes, monocytes and granulocytes retained vimentin expression at all stages of maturation. In contrast, megakaryoblasts lose vimentin expression at a very early stage of differentiation, erythroblasts at variable steps between the committed erythroid cell and the red cell. Finally, B lymphocytes tend to lose vimentin expression later when they mature into plasma cells.

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