Cited by 59Neuroscience and Neuropharmacology ResearchNeural dynamics and brain functionNicotinic Acetylcholine Receptors Study

Developmental Expression Patterns of GABAAReceptor Subunits in Layer 3 and 5 Pyramidal Cells of Monkey Prefrontal Cortex

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Datta, Dibyadeep, Arion, Dominique, Lewis, David A.·2015·Cerebral Cortex

Abstract

Cortical pyramidal neuron activity is regulated in part through inhibitory inputs mediated by GABAA receptors. The subunit composition of these receptors confers distinct functional properties. Thus, developmental shifts in subunit expression will likely influence the characteristics of pyramidal cell firing and the functional maturation of processes that depend on these neurons. We used laser microdissection and PCR to quantify postnatal developmental changes in the expression of GABAA receptor subunits (α1, α2, α5, β2, γ2, and δ) in layer 3 pyramidal cells of monkey prefrontal cortex, which are critical for working memory. To determine the specificity of these changes, we examined glutamate receptor subunits (AMPA Glur1 and NMDA Grin1) and conducted the same analyses in layer 5 pyramidal cells. Expression of GABAA receptor subunit mRNAs changed substantially, whereas glutamate receptor subunit changes were modest over postnatal development. Some transcripts (e.g., GABAA α1) progressively increased from birth until adulthood, whereas others (e.g., GABAA α2) declined with age. Changes in some transcripts were present in only one layer (e.g., GABAA δ). The development of GABAA receptor subunit expression in primate prefrontal pyramidal neurons is protracted and subunit- and layer-specific. These trajectories might contribute to the molecular basis for the maturation of working memory.

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Crossref · 10.1093/cercor/bhu040

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  • The permissive depolarization of the postsynaptic density needed for NMDAR opening is provided by cholinergic stimulation of nicotinic α7 receptors in the postsynaptic density with only minor contributions from AMPA-type glutamate receptors.

    “The permissive depolarization of the postsynaptic density needed for NMDAR opening is provided by cholinergic stimulation of nicotinic α7 receptors in the postsynaptic density11 with only minor contributions from AMPA-type glutamate receptors (AMPAR)10, consistent with the lower expression of AMPAR in layer III (ref. 12).”
  • These neurons are modulated in a more classical manner-for example, with a reliance on AMPAR actions-consistent with the higher expression of AMPAR in layer V of monkey dlPFC.

    “These neurons are modulated in a more classical manner—for example, with a reliance on AMPAR actions10—consistent with the higher expression of AMPAR in layer V of monkey dlPFC12.”
  • The expression of GABA receptor subunits on layer 3 and 5 pyramidal cells in macaque dlPFC changes substantially across postnatal development, with different subunits reaching maximal levels at ages ranging from perinatal to adult.

    “Further, the expression of GABA receptor subunits on layer 3 and 5 pyramidal cells in macaque dlPFC changes substantially across postnatal development, with different subunits reaching maximal levels at ages ranging from perinatal to adult (Datta et al., 2015).”

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Authors
Datta, D., Arion, D., & Lewis, D. A.
Affiliations
University of Pittsburgh (US)
Corresponding author
Datta, Dibyadeep
Venue
Cerebral Cortex
Published
2014-03-07
Volume
25
Issue
8
Pages
2295-2305
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2139503583
Cited by
59
References
73
Citations by year
2025: 3 · 2024: 6 · 2023: 4 · 2022: 8 · 2021: 3 · 2020: 6 · 2019: 6 · 2018: 4 · 2017: 5 · 2016: 9 · 2015: 4 · 2014: 1
FWCI
2.90
Type
journal article
Language
en
Open access
Locations
  • Cerebral Cortex (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (MH051234, R01MH051234)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
GABAA receptor subunits, pyramidal neurons, prefrontal cortex, layer 3, layer 5, postnatal development, receptor maturation, glutamate receptor subunits, working memory, primate brain
MeSH terms
Aging, Animals, Female, Macaca mulatta, Male, Receptors, GABA-A, RNA, Messenger, Receptors, N-Methyl-D-Aspartate, Prefrontal Cortex, Pyramidal Cells, Receptors, AMPA, Real-Time Polymerase Chain Reaction, Laser Capture Microdissection

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