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  • Title: Cellular levels of mRNA from c-myc, c-myb and c-fes onc-genes in normal myeloid and erythroid precursors of human bone marrow: an in situ hybridization study.
    Author: Emilia G, Donelli A, Ferrari S, Torelli U, Selleri L, Zucchini P, Moretti L, Venturelli D, Ceccherelli G, Torelli G.
    Journal: Br J Haematol; 1986 Feb; 62(2):287-92. PubMed ID: 3947550.
    Abstract:
    The expression of three onc-genes, c-myc, c-myb and c-fes, has been evaluated at the cellular level in myeloid and erythroid precursors of normal human bone marrow, by "in situ" hybridization with tritium-labelled probes. A relatively large amount of m-RNA from the three onc-genes was detected in myeloblasts and promyelocytes, but whereas the expression of c-myc and c-myb decreased in more advanced stage of maturation of the myeloid lineage, c-fes mRNA remained at a relatively high level until the granulocyte stage. c-myc and c-myb were expressed at a fairly high level in basophilic erythroblasts, which also showed low levels of c-fes mRNA. No expression of these onc-genes was detectable in more mature erythroblasts. Megakaryocytes showed high levels of m-RNA from all three onc-genes. Our results suggest that c-myc and c-myb expression is related in some way to the cellular proliferation of myeloid and erythroid precursors, whereas c-fes expression is more restricted to myeloid differentiation.
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