Cited by 749T-cell and B-cell ImmunologyDevelopmental Biology and Gene RegulationHematopoietic Stem Cell Transplantation

Regulation of B lymphocyte and macrophage development by graded expression of PU.1

DeKoter, Rodney P., Singh, Harinder·2000·Science

Abstract

The ets family transcription factor PU.1 is required for the development of multiple lineages of the immune system. Using retroviral transduction of PU.1 complementary DNA into mutant hematopoietic progenitors, we demonstrate that differing concentrations of the protein regulate the development of B lymphocytes as compared with macrophages. A low concentration of PU. 1 protein induces the B cell fate, whereas a high concentration promotes macrophage differentiation and blocks B cell development. Conversely, a transcriptionally weakened mutant protein preferentially induces B cell generation. Our results suggest that graded expression of a transcription factor can be used to specify distinct cell fates in the hematopoietic system.

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Crossref · 10.1126/science.288.5470.1439

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Authors
DeKoter, R. P., & Singh, H.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Singh, Harinder
Venue
Science
Published
2000-05-26
Volume
288
Issue
5470
Pages
1439-1441
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2080961105
Cited by
749
References
25
Citations by year
2026: 13 · 2025: 20 · 2024: 25 · 2023: 16 · 2022: 15 · 2021: 23 · 2020: 15 · 2019: 22 · 2018: 17 · 2017: 24 · 2016: 31 · 2015: 26 · 2014: 32 · 2013: 35 · 2012: 26
FWCI
12.52
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
Keywords
PU.1, ETS transcription factors, B cell development, macrophage differentiation, hematopoietic progenitor cells, graded gene expression, cell fate specification, transcription factor dosage, retroviral transduction, hematopoiesis
MeSH terms
Proto-Oncogene Protein Spi-1, Animals, B-Lymphocytes, Cell Differentiation, Cell Division, Cells, Cultured, Genetic Vectors, Hematopoiesis, Hematopoietic Stem Cells, Luminescent Proteins, Macrophages, Mutation, Proto-Oncogene Proteins, Retroviridae, Transduction, Genetic, Trans-Activators, Gene Expression, DNA, Complementary, Coculture Techniques, Cell Lineage, Green Fluorescent Proteins, Mice

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