Granulocyte colony-stimulating factor receptor mRNA upregulation is an immediate early marker of myeloid differentiation and exhibits dysfunctional regulation in leukemic cells

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Abstract

The identification of early markers of myeloid differentiation can facilitate an understanding of how differentiation is arrested in leukemogenesis. Using murine bone marrow and the granulocyte-precursor cell line 32Dc13, we show that message for the granulocyte colony-stimulating factor receptor (G-CSFR) is upregulated by G-CSF in an immediate early fashion that is specific to the differentiation pathway and is antagonized by interleukin-3. We further show that G-CSFR message is superinduced by cycloheximide and that these patterns of regulation are altered in leukemic cell lines. In particular, the v-abl oncogene product suppresses both ligand- mediated upregulation and superinduction of the G-CSFR gene.

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Steinman, R. A., & Tweardy, D. J. (1994). Granulocyte colony-stimulating factor receptor mRNA upregulation is an immediate early marker of myeloid differentiation and exhibits dysfunctional regulation in leukemic cells. Blood, 83(1), 119–127. https://doi.org/10.1182/blood.v83.1.119.bloodjournal831119

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