Cited by 87Schizophrenia research and treatmentNeuroscience and Neuropharmacology ResearchMental Health and Psychiatry

Molecular Profiles of Pyramidal Neurons in the Superior Temporal Cortex in Schizophrenia

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Pietersen, Charmaine Y., Mauney, Sarah A., Kim, Susie S., Lim, Maribel P., Rooney, Robert J., Goldstein, Jill M., Petryshen, Tracey L., Seidman, Larry J. +4 more·2014·Journal of Neurogenetics

Abstract

Disrupted synchronized oscillatory firing of pyramidal neuronal networks in the cerebral cortex in the gamma frequency band (i.e., 30-100 Hz) mediates many of the cognitive deficits and symptoms of schizophrenia. In fact, the density of dendritic spines and the average somal area of pyramidal neurons in layer 3 of the cerebral cortex, which mediate both long-range (associational) and local (intrinsic) corticocortical connections, are decreased in subjects with this illness. To explore the molecular pathophysiology of pyramidal neuronal dysfunction, we extracted ribonucleic acid (RNA) from laser-captured pyramidal neurons from layer 3 of Brodmann's area 42 of the superior temporal gyrus (STG) from postmortem brains from schizophrenia and normal control subjects. We then profiled the messenger RNA (mRNA) expression of these neurons, using microarray technology. We identified 1331 mRNAs that were differentially expressed in schizophrenia, including genes that belong to the transforming growth factor beta (TGF-β) and the bone morphogenetic proteins (BMPs) signaling pathways. Disturbances of these signaling mechanisms may in part contribute to the altered expression of other genes found to be differentially expressed in this study, such as those that regulate extracellular matrix (ECM), apoptosis, and cytoskeletal and synaptic plasticity. In addition, we identified 10 microRNAs (miRNAs) that were differentially expressed in schizophrenia; enrichment analysis of their predicted gene targets revealed signaling pathways and gene networks that were found by microarray to be dysregulated, raising an interesting possibility that dysfunction of pyramidal neurons in schizophrenia may in part be mediated by a concerted dysregulation of gene network functions as a result of the altered expression of a relatively small number of miRNAs. Taken together, findings of this study provide a neurobiological framework within which specific hypotheses about the molecular mechanisms of pyramidal cell dysfunction in schizophrenia can be formulated.

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  1. [26]Derynck R. Miyazono K. o (2008) The TGF-[beta] family Cold Spring Harbor, NY Cold Spring Harbor Laboratory Press PMC4852809 27141051

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Authors
Pietersen, C. Y., Mauney, S. A., Kim, S. S., Lim, M. P., Rooney, R. J., Goldstein, J. M., Petryshen, T. L., Seidman, L. J., Shenton, M. E., McCarley, R. W., Sonntag, K.-C., & Woo, T.-U. W.
Affiliations
  • Harvard University (US)
  • McLean Hospital (US)
  • Genome Explorations Inc.
  • Brigham and Women's Hospital (US)
  • Massachusetts General Hospital (US)
  • Beth Israel Deaconess Medical Center (US)
Corresponding author
Woo, Tsung-Ung W.
Venue
Journal of Neurogenetics
Published
2014-04-10
Volume
28
Issue
1-2
Pages
53-69
ISSN
  • 0167-7063 (ISSN-L)
  • 1563-5260
OpenAlex
W1975668251
Cited by
87
References
114
Citations by year
2026: 5 · 2024: 6 · 2023: 12 · 2022: 2 · 2021: 5 · 2020: 13 · 2019: 8 · 2018: 6 · 2017: 3 · 2016: 13 · 2015: 10 · 2014: 4
FWCI
7.63
Type
journal article
Language
en
Open access
Locations
  • Journal of Neurogenetics (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
  • Figshare (cc-by)
Funders
  • National Institute of Mental Health (P50MH080272, R01MH076060)
  • National Center for Research Resources (P51RR000168)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
Keywords
schizophrenia, pyramidal neurons, superior temporal gyrus, layer 3, mRNA expression profiling, microRNA, TGF-beta signaling, bone morphogenetic proteins, extracellular matrix, apoptosis, synaptic plasticity, gene networks, postmortem brain
MeSH terms
Adult, Aged, Aged, 80 and over, Cytoskeleton, Extracellular Matrix, Female, Humans, Male, Middle Aged, Schizophrenia, Temporal Lobe, Signal Transduction, Transforming Growth Factor beta, Apoptosis, Pyramidal Cells, Bone Morphogenetic Proteins, Gene Expression Profiling, MicroRNAs, Young Adult

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