Cited by 89Schizophrenia research and treatmentGenomic variations and chromosomal abnormalitiesGenetics and Neurodevelopmental Disorders

Disruption of a brain transcription factor, NPAS3, is associated with schizophrenia and learning disability

Pickard, Ben S., Malloy, M.P., Porteous, D.J., Blackwood, D.H.R., Muir, W.J.·2005·American Journal of Medical Genetics Part B Neuropsychiatric Genetics

Abstract

A mother and daughter diagnosed with schizophrenia and schizophrenia co-morbid with mild learning disability, respectively, possess a balanced reciprocal translocation t(9,14)(q34.2;q13). Fluorescence in situ hybridization (FISH) with YAC, BAC, and cosmid probes indicate that the chromosome 14q13 breakpoint disrupts a large gene, NPAS3, encoding a CNS expressed transcription factor of the basic helix-loop-helix PAS (bHLH-PAS) gene family. By analogy with other members of the bHLH-PAS family, the putative truncated protein generated from the disrupted gene locus may have a dominant negative effect. The 14q13 region was previously identified by a linkage study of an inherited neurodegenerative condition, idiopathic basal ganglia calcification (IBGC or Fahr syndrome, OMIM:213600/606656), which is often co-morbid with psychosis. Sequencing of the gene in a third patient diagnosed with IBGC, schizophrenia, and mild learning disability did not reveal functional mutations.

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Crossref · 10.1002/ajmg.b.30204

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Authors
Pickard, B. S., Malloy, M. P., Porteous, D. J., Blackwood, D. H. R., & Muir, W. J.
Affiliations
  • Western General Hospital (GB)
  • Royal Edinburgh Hospital (GB)
Corresponding author
Pickard, Ben S.
Venue
American Journal of Medical Genetics Part B Neuropsychiatric Genetics
Publisher
Wiley
Published
2005
Volume
136B
Issue
1
Pages
26-32
ISSN
  • 1552-4841 (ISSN-L)
  • 1552-485X
OpenAlex
W2070465681
Cited by
89
References
31
Citations by year
2026: 4 · 2025: 2 · 2024: 3 · 2022: 5 · 2021: 7 · 2020: 3 · 2019: 1 · 2018: 4 · 2017: 3 · 2016: 4 · 2015: 3 · 2014: 3 · 2013: 5 · 2012: 4
FWCI
3.22
Type
journal article
Language
en
Open access
closed
Locations
  • American Journal of Medical Genetics Part B Neuropsychiatric Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • Strathprints: The University of Strathclyde institutional repository (University of Strathclyde) (submittedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
NPAS3, schizophrenia, learning disabilities, bHLH-PAS transcription factors, dominant negative effect, Fahr disease, psychosis, familial schizophrenia, gene disruption
MeSH terms
Abnormalities, Multiple, Amino Acid Sequence, Base Sequence, Brain, Chromosomes, Human, Pair 14, Chromosomes, Human, Pair 9, Family Health, Female, Humans, Learning Disabilities, Molecular Sequence Data, Mutation, Nerve Tissue Proteins, Schizophrenia, Transcription Factors, Translocation, Genetic, In Situ Hybridization, Fluorescence, Chromosome Breakage, Chromosome Disorders, Basic Helix-Loop-Helix Proteins, Basic Helix-Loop-Helix Transcription Factors

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