Transcriptional regulation of granulocyte and monocyte development

Research output: Contribution to journalArticle

Abstract

Granulocytes and monocytes develop from a common myeloid progenitor. Early granulopoiesis requires the C/EBPα, PU.1, RAR, CBF, and c-Myb transcription factors, and terminal neutrophil differentiation is dependent upon C/EBPε, PU.1, Sp1, CDP, and HoxA10. Monopoiesis can be induced by Maf-B, c-Jun, or Egr-1 and is dependent upon PU.1, Sp1, and ICSBP. Signals eminating from cytokine receptors modulate factor activities but do not determine cell fates. Orchestration of the myeloid developmental program is achieved via cooperative gene regulation, via synergistic and inhibitory protein-protein interactions, via promoter auto-regulation and cross-regulation, via regulation of factor levels, and via induction of cell cycle arrest: For example, c-Myb and C/EBPα cooperate to activate the mim-1 and NE promoters, PU.1, C/EBPα, and CBF, regulate the NE, MPO, and M-CSF Receptor genes. PU.1:GATA-1 interaction and C/EBP suppression of FOG transcription inhibits erythroid and megakaryocyte gene expression. c-Jun:PU.1, ICSBP:PU.1, and perhaps Maf:Jun complexes induce monocytic genes. PU.1 and C/EBPα activate their own promoters, C/EBPα rapidly induces PU.1 and C/EBPε RNA expression, and RARe activates the C/EBPε promoter. Higher levels of PU.1 are required for monopoiesis than for B-lymphopoiesis, and higher C/EBP levels may favor granulopoiesis over monopoiesis. CBF and c-Myb stimulate proliferation whereas C/EBPα induces a G1/S arrest; cell cycle arrest is required for terminal myelopoiesis, perhaps due to expression of p53 or hypo-phosphorylated Rb.

Original languageEnglish (US)
Pages (from-to)3377-3390
Number of pages14
JournalOncogene
Volume21
Issue number21 REV. ISS. 2
DOIs
StatePublished - May 13 2002

Fingerprint

Granulocytes
Monocytes
Cell Cycle Checkpoints
Macrophage Colony-Stimulating Factor Receptors
Cytidine Diphosphate
Lymphopoiesis
Myelopoiesis
Genes
Myeloid Progenitor Cells
Cytokine Receptors
Megakaryocytes
Proteins
Neutrophils
Transcription Factors
RNA
Gene Expression

Keywords

  • C/EBP
  • Differentiation
  • Granulocyte
  • Monocyte
  • PU.1

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Transcriptional regulation of granulocyte and monocyte development. / Friedman, Alan David.

In: Oncogene, Vol. 21, No. 21 REV. ISS. 2, 13.05.2002, p. 3377-3390.

Research output: Contribution to journalArticle

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