Cited by 380Hematopoietic Stem Cell TransplantationBlood disorders and treatmentsGenomics and Chromatin Dynamics

Regulation of macrophage and neutrophil cell fates by the PU.1:C/EBPα ratio and granulocyte colony-stimulating factor

Dahl, Richard, Walsh, Jonathan C, Lancki, David, Laslo, Peter, Iyer, Sangeeta R, Singh, Harinder, Simon, M Celeste·2003·Nature Immunology

Abstract

Hematopoietic transcription factors are essential for specifying cell fates; however, the function of cytokines in such developmental decisions is unresolved. We demonstrate here that haploinsufficiency for the gene encoding the transcription factor PU.1 partially suppresses the neutropenia of mice deficient in granulocyte colony-stimulating factor. This suppression was due to an increase in granulocytic progenitors and a diminution of monocytic progenitors. With (PU.1+/-) ES cells as well as (PU.1-/-) hematopoietic progenitors, we show that higher expression of PU.1 is needed for macrophage than for neutrophil development. In a (PU.1-/-) progenitor cell line, in which graded activity of PU.1 regulates neutrophil versus macrophage development, granulocyte colony-stimulating factor signaling supported the neutrophil cell fate by increasing expression of the neutrophil transcription factor C/EBPalpha in relation to expression of PU.1. Collectively, these results indicate that cytokines can promote cell fate decisions by altering the relative concentrations of lineage-determining transcriptional regulators.

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Crossref · 10.1038/ni973

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Authors
Dahl, R., Walsh, J. C., Lancki, D., Laslo, P., Iyer, S. R., Singh, H., & Simon, M. C.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Boston Children's Hospital (US)
Corresponding author
  • Singh, Harinder
  • Simon, M Celeste
Venue
Nature Immunology
Published
2003-09-07
Volume
4
Issue
10
Pages
1029-1036
ISSN
  • 1529-2908 (ISSN-L)
  • 1529-2916
OpenAlex
W1972589365
Cited by
380
References
11
Citations by year
2026: 6 · 2025: 9 · 2024: 6 · 2023: 15 · 2022: 10 · 2021: 6 · 2020: 10 · 2019: 22 · 2018: 16 · 2017: 18 · 2016: 26 · 2015: 26 · 2014: 15 · 2013: 17 · 2012: 16
FWCI
8.26
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (2r01hl052094-05a1)
  • National Heart, Lung, and Blood Institute (5T32 HL07237, T32HL007237, 5R01HL052094)
  • National Institute of General Medical Sciences (5-T32-GM-07151, T32GM007151)
Topics
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Blood disorders and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
PU.1, C/EBPα, granulocyte colony-stimulating factor, macrophage development, neutrophil development, cell fate determination, hematopoietic transcription factors, haploinsufficiency, neutropenia, cytokine signaling, hematopoiesis
MeSH terms
Proto-Oncogene Protein Spi-1, Animals, Cell Differentiation, Colony-Forming Units Assay, Hematopoiesis, Hematopoietic Stem Cells, Macrophages, Mice, Inbred C57BL, Neutrophils, Proto-Oncogene Proteins, Trans-Activators, Macrophage Colony-Stimulating Factor, Granulocyte Colony-Stimulating Factor, Mice, Knockout, Cell Lineage, Thyroid Hormone Receptors alpha, Mice

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