Analysis of complex brain disorders with gene expression microarrays: Schizophrenia as a disease of the synapse

Károly Mirnics, Frank A. Middleton, David A. Lewis, Pat Levitt

Research output: Contribution to journalReview article

315 Citations (Scopus)

Abstract

The level of cellular and molecular complexity of the nervous system creates unique problems for the neuroscientist in the design and implementation of functional genomic studies. Microarray technologies can be powerful, with limitations, when applied to the analysis of human brain disorders. Recently, using cDNA microarrays, altered gene expression patterns between subjects with schizophrenia and controls were shown. Functional data mining led to two novel discoveries: a consistent decrease in the group of transcripts encoding proteins that regulate presynaptic function; and the most changed gene, which has never been previously associated with schizophrenia, regulator of G-protein signaling 4. From these and other findings, a hypothesis has been formulated to suggest that schizophrenia is a disease of the synapse. In the context of a neurodevelopmental model, it is proposed that impaired mechanics of synaptic transmission in specific neural circuits during childhood and adolescence ultimately results in altered synapse formation or pruning, or both, which manifest in the clinical onset of the disease.

Original languageEnglish (US)
Pages (from-to)479-486
Number of pages8
JournalTrends in Neurosciences
Volume24
Issue number8
DOIs
StatePublished - Aug 1 2001

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Brain Diseases
Synapses
Schizophrenia
Gene Expression
GTP-Binding Protein Regulators
Data Mining
Oligonucleotide Array Sequence Analysis
Mechanics
Synaptic Transmission
Nervous System
Technology
Genes
Proteins

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Analysis of complex brain disorders with gene expression microarrays : Schizophrenia as a disease of the synapse. / Mirnics, Károly; Middleton, Frank A.; Lewis, David A.; Levitt, Pat.

In: Trends in Neurosciences, Vol. 24, No. 8, 01.08.2001, p. 479-486.

Research output: Contribution to journalReview article

Mirnics, Károly ; Middleton, Frank A. ; Lewis, David A. ; Levitt, Pat. / Analysis of complex brain disorders with gene expression microarrays : Schizophrenia as a disease of the synapse. In: Trends in Neurosciences. 2001 ; Vol. 24, No. 8. pp. 479-486.
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