Cell cycle and developmental control of hematopoiesis by Runx1

Research output: Contribution to journalArticle

Abstract

Runx1 binds DNA in cooperation with CBFβ to activate or repress transcription, dependent upon cellular context and interaction with a variety of co-activators and co-repressors. Runx1 is required for emergence of adult hematopoietic stem cells (HSC) during embryonic development and for lymphoid, myeloid, and megakaryocyte lineage maturation from HSC in adult marrow. Runx1 levels vary during the cell cycle, and Runx1 regulates G1 to S cell cycle progression. Both Cdk and ERK phosphorylate Runx1 to influence its interaction with co-repressors, and the Wnt effector LEF-1/TCF also modulates Runx1 activities. These links likely allow cytokines and signals from adjacent cells to influence HSC proliferation versus quiescence and the rate of progenitor expansion, in response to developmental or environmental demands.

Original languageEnglish (US)
Pages (from-to)520-524
Number of pages5
JournalJournal of Cellular Physiology
Volume219
Issue number3
DOIs
StatePublished - Jun 2009

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Hematopoiesis
Hematopoietic Stem Cells
Cell Cycle Checkpoints
Stem cells
Co-Repressor Proteins
Cells
Cell Cycle
Adult Stem Cells
Megakaryocytes
Cell proliferation
Transcription
Embryonic Development
Bone Marrow
Cell Proliferation
Cytokines
DNA

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Cell Biology
  • Physiology

Cite this

Cell cycle and developmental control of hematopoiesis by Runx1. / Friedman, Alan David.

In: Journal of Cellular Physiology, Vol. 219, No. 3, 06.2009, p. 520-524.

Research output: Contribution to journalArticle

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