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Vitamin D receptor-retinoid X receptor heterodimer signaling regulates oligodendrocyte progenitor cell differentiation

  • Alerie Guzman de la Fuente
  • , Oihana Errea
  • , Peter van Wijngaarden
  • , Ginez A Gonzalez
  • , Christophe Kerninon
  • , Andrew A Jarjour
  • , Hilary J Lewis
  • , Clare A Jones
  • , Brahim Nait-Oumesmar
  • , Chao Zhao
  • , Jeffrey K Huang
  • , Charles ffrench-Constant
  • , Robin J M Franklin

Research output: Contribution to journalArticlepeer-review

Abstract

The mechanisms regulating differentiation of oligodendrocyte (OLG) progenitor cells (OPCs) into mature OLGs are key to understanding myelination and remyelination. Signaling via the retinoid X receptor γ (RXR-γ) has been shown to be a positive regulator of OPC differentiation. However, the nuclear receptor (NR) binding partner of RXR-γ has not been established. In this study we show that RXR-γ binds to several NRs in OPCs and OLGs, one of which is vitamin D receptor (VDR). Using pharmacological and knockdown approaches we show that RXR-VDR signaling induces OPC differentiation and that VDR agonist vitamin D enhances OPC differentiation. We also show expression of VDR in OLG lineage cells in multiple sclerosis. Our data reveal a role for vitamin D in the regenerative component of demyelinating disease and identify a new target for remyelination medicines.

Original languageEnglish
Pages (from-to)975-85
JournalThe Journal of cell biology
Volume211
Issue number5
DOIs
Publication statusPublished - 07 Dec 2015
Externally publishedYes

Bibliographical note

© 2015 de la Fuente et al.

Keywords

  • Adult
  • Aged
  • Aged, 80 and over
  • Animals
  • Cell Differentiation
  • Cell Lineage
  • Female
  • Gene Expression Regulation
  • Humans
  • Male
  • Middle Aged
  • Multiple Sclerosis/metabolism
  • Myelin Sheath/chemistry
  • Oligodendroglia/cytology
  • Protein Binding
  • Protein Multimerization
  • Rats
  • Rats, Sprague-Dawley
  • Receptors, Calcitriol/metabolism
  • Retinoid X Receptor gamma/metabolism
  • Signal Transduction
  • Stem Cells/cytology
  • Vitamin D/metabolism

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