CXCR4 signaling in the regulation of stem cell migration and development

Richard J Miller*, Ghazal Banisadr, Bula J. Bhattacharyya

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

123 Scopus citations


The regulated migration of stem cells is a feature of the development of all tissues and also of a number of pathologies. In the former situation the migration of stem cells over large distances is required for the correct formation of the embryo. In addition, stem cells are deposited in niche like regions in adult tissues where they can be called upon for tissue regeneration and repair. The migration of cancer stem cells is a feature of the metastatic nature of this disease. In this article we discuss observations that have demonstrated the important role of chemokine signaling in the regulation of stem cell migration in both normal and pathological situations. It has been demonstrated that the chemokine receptor CXCR4 is expressed in numerous types of embryonic and adult stem cells and the chemokine SDF-1/CXCL12 has chemoattractant effects on these cells. Animals in which SDF-1/CXCR4 signaling has been interrupted exhibit numerous phenotypes that can be explained as resulting from inhibition of SDF-1 mediated chemoattraction of stem cells. Hence, CXCR4 signaling is a key element in understanding the functions of stem cells in normal development and in diverse pathological situations.

Original languageEnglish (US)
Pages (from-to)31-38
Number of pages8
JournalJournal of Neuroimmunology
Issue number1-2
StatePublished - Jul 31 2008


  • Chemoattraction
  • Chemokine receptors
  • Chemokines
  • Stem cells

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Neurology
  • Clinical Neurology

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