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S-nitrosylation of HDAC2 regulates the expression of the chromatin-remodeling factor Brm during radial neuron migration

  • Alexi Nott
  • , Justyna Nitarska
  • , Jesse V. Veenvliet
  • , Stephan Schacke
  • , Alwin A.H.A. Derijck
  • , Piotr Sirko
  • , Christian Muchardt
  • , R. Jeroen Pasterkamp
  • , Marten P. Smidt
  • , Antonella Riccio*
  • *Corresponding author for this work
  • University College London
  • Utrecht University
  • University of Amsterdam
  • Institut Pasteur Paris

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Dynamic epigenetic modifications play a key role in mediating the expression of genes required for neuronal development. We previously identified nitric oxide (NO) as a signaling molecule that mediates S-nitrosylation of histone deacetylase 2 (HDAC2) and epigenetic changes in neurons. Here, we show that HDAC2 nitrosylation regulates neuronal radial migration during cortical development. Bead-array analysis performed in the developing cortex revealed that brahma (Brm), a subunit of the ATP-dependent chromatin-remodeling complex BRG/brahma-associated factor, is one of the genes regulated by S-nitrosylation of HDAC2. In the cortex, expression of a mutant form of HDAC2 that cannot be nitrosylated dramatically inhibits Brm expression. Our study identifies NO and HDAC2 nitrosylation as part of a signaling pathway that regulates cortical development and the expression of Brm in neurons.

Original languageEnglish
Pages (from-to)3113-3118
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume110
Issue number8
DOIs
Publication statusPublished - 19 Feb 2013

Keywords

  • Neural development
  • Nitric oxide synthase
  • Polar morphology
  • Schizophrenia
  • Transcription

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