Circadian rhythms influence hematopoietic stem cells

Simón Méndez-Ferrer, Andrew Chow, Miriam Merad, Paul S. Frenette

Research output: Contribution to journalReview articlepeer-review

113 Scopus citations


PURPOSE OF REVIEW: Hematopoiesis is tightly regulated in the bone marrow through the microenvironment, soluble factors from the circulation, and neural inputs from the autonomic nervous system. Most physiological processes are not uniform but rather vary according to the time of day. There is increasing evidence showing the impact of biological rhythms on the traffic of hematopoietic stem cells (HSCs) and their proliferation and differentiation capacities. RECENT FINDINGS: Recent evidence supports the role of the sympathetic nervous system in the regulation of HSC behavior, both directly and through supporting stromal cells. In addition, the sympathetic nervous system transduces circadian information from the central pacemaker in the brain, the suprachiasmatic nucleus, to the bone marrow microenvironment, directing circadian oscillations in hematopoiesis and HSC migration. SUMMARY: HSC traffic and hematopoiesis do not escape the circadian regulation that controls most physiological processes. Clinically, the timing of stem cell harvest or infusion may impact the yield or engraftment, respectively, and may result in better therapeutic outcomes.

Original languageEnglish (US)
Pages (from-to)235-242
Number of pages8
JournalCurrent Opinion in Hematology
Issue number4
StatePublished - Jul 2009
Externally publishedYes


  • Chronotherapy
  • Circadian
  • Clock
  • Hematopoiesis
  • Stem cell
  • Traffic

ASJC Scopus subject areas

  • Hematology


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