The schizophrenia- and autism-associated gene, transcription factor 4 regulates the columnar distribution of layer 2/3 prefrontal pyramidal neurons in an activity-dependent manner

S. C. Page, G. R. Hamersky, R. A. Gallo, M. D. Rannals, N. E. Calcaterra, M. N. Campbell, B. Mayfield, A. Briley, B. N. Phan, Andrew Jaffe, Brady Maher

Research output: Contribution to journalArticle

Abstract

Disruption of the laminar and columnar organization of the brain is implicated in several psychiatric disorders. Here, we show in utero gain-of-function of the psychiatric risk gene transcription factor 4 (TCF4) severely disrupts the columnar organization of medial prefrontal cortex (mPFC) in a transcription- and activity-dependent manner. This morphological phenotype was rescued by co-expression of TCF4 plus calmodulin in a calcium-dependent manner and by dampening neuronal excitability through co-expression of an inwardly rectifying potassium channel (Kir2.1). For we believe the first time, we show that N-methyl-d-aspartate (NMDA) receptor-dependent Ca2+ transients are instructive to minicolumn organization because Crispr/Cas9-mediated mutation of NMDA receptors rescued TCF4-dependent morphological phenotypes. Furthermore, we demonstrate that the transcriptional regulation by the psychiatric risk gene TCF4 enhances NMDA receptor-dependent early network oscillations. Our novel findings indicate that TCF4-dependent transcription directs the proper formation of prefrontal cortical minicolumns by regulating the expression of genes involved in early spontaneous neuronal activity, and thus our results provides insights into potential pathophysiological mechanisms of TCF4-associated psychiatric disorders.Molecular Psychiatry advance online publication, 14 March 2017; doi:10.1038/mp.2017.37.

Original languageEnglish (US)
JournalMolecular Psychiatry
DOIs
StateAccepted/In press - Mar 14 2017

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Pyramidal Cells
Autistic Disorder
Schizophrenia
Transcription Factors
Psychiatry
Genes
Inwardly Rectifying Potassium Channel
Phenotype
Calmodulin
Prefrontal Cortex
Publications
Calcium
Gene Expression
Mutation
Brain
aspartic acid receptor

ASJC Scopus subject areas

  • Molecular Biology
  • Cellular and Molecular Neuroscience
  • Psychiatry and Mental health

Cite this

The schizophrenia- and autism-associated gene, transcription factor 4 regulates the columnar distribution of layer 2/3 prefrontal pyramidal neurons in an activity-dependent manner. / Page, S. C.; Hamersky, G. R.; Gallo, R. A.; Rannals, M. D.; Calcaterra, N. E.; Campbell, M. N.; Mayfield, B.; Briley, A.; Phan, B. N.; Jaffe, Andrew; Maher, Brady.

In: Molecular Psychiatry, 14.03.2017.

Research output: Contribution to journalArticle

Page, S. C. ; Hamersky, G. R. ; Gallo, R. A. ; Rannals, M. D. ; Calcaterra, N. E. ; Campbell, M. N. ; Mayfield, B. ; Briley, A. ; Phan, B. N. ; Jaffe, Andrew ; Maher, Brady. / The schizophrenia- and autism-associated gene, transcription factor 4 regulates the columnar distribution of layer 2/3 prefrontal pyramidal neurons in an activity-dependent manner. In: Molecular Psychiatry. 2017.
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