EphB receptors regulate stem/progenitor cell proliferation, migration, and polarity during hippocampal neurogenesis

Michael J. Chumley, Timothy Catchpole, Robert E. Silvany, Steven G. Kernie, Mark Henkemeyer

Research output: Contribution to journalArticle

96 Citations (Scopus)

Abstract

The adult brain maintains two regions of neurogenesis from which new neurons are born, migrate to their appropriate location, and become incorporated into the circuitry of the CNS. One of these, the subgranular zone of the hippocampal dentate gyrus, is of primary interest because of the role of this region in learning and memory. We show that mice lacking EphB1, and more profoundly EphB1 and EphB2, have significantly fewer neural progenitors in the hippocampus. Furthermore, other aspects of neurogenesis, such as polarity, cell positioning, and proliferation are disrupted in animals lacking the EphB1 receptor or its cognate ephrin-B3 ligand. Our data strongly suggest that EphB1 and ephrin-B3 cooperatively regulate the proliferation and migration of neural progenitors in the hippocampus and should be added to a short list of candidate target molecules for modulating the production and integration of new neurons as a treatment for neurodegenerative diseases or brain injury.

Original languageEnglish (US)
Pages (from-to)13481-13490
Number of pages10
JournalJournal of Neuroscience
Volume27
Issue number49
DOIs
StatePublished - Dec 5 2007

Fingerprint

Ephrin-B3
Eph Family Receptors
Cell Polarity
Neurogenesis
EphB1 Receptor
Cell Movement
Hippocampus
Stem Cells
Cell Proliferation
Neurons
Parahippocampal Gyrus
Dentate Gyrus
Neurodegenerative Diseases
Brain Injuries
Learning
Ligands
Brain

Keywords

  • Cell polarity
  • Dentate gyrus
  • Eph receptor tyrosine kinase
  • Ephrin ligand
  • Hippocampus
  • Neurogenesis

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

EphB receptors regulate stem/progenitor cell proliferation, migration, and polarity during hippocampal neurogenesis. / Chumley, Michael J.; Catchpole, Timothy; Silvany, Robert E.; Kernie, Steven G.; Henkemeyer, Mark.

In: Journal of Neuroscience, Vol. 27, No. 49, 05.12.2007, p. 13481-13490.

Research output: Contribution to journalArticle

Chumley, Michael J. ; Catchpole, Timothy ; Silvany, Robert E. ; Kernie, Steven G. ; Henkemeyer, Mark. / EphB receptors regulate stem/progenitor cell proliferation, migration, and polarity during hippocampal neurogenesis. In: Journal of Neuroscience. 2007 ; Vol. 27, No. 49. pp. 13481-13490.
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