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Selective alterations in prefrontal cortical GABA neurotransmission in schizophrenia: a novel target for the treatment of working memory dysfunction

Selective alterations in prefrontal cortical GABA neurotransmission in schizophrenia: a novel... Postmortem studies suggest that markers of reduced GABA neurotransmission in schizophrenia may be selective for, or at least particularly prominent in, the subclass of GABA neurons, chandelier cells, that provide inhibitory input to the axon initial segment of populations of pyramidal neurons. Given the critical role that chandelier cells play in synchronizing the activity of pyramidal neurons, the pharmacological amelioration of this deficit may be particularly effective in normalizing the neural network activity required for working memory function. Because GABA A receptors containing the a 2 subunit are selectively localized to the axon initial segment of pyramidal cells, and appear to be markedly up-regulated in schizophrenia, treatment with novel benzodiazepine-like agents with selective activity at GABA A receptors containing the a 2 subunit may be effective adjuvant agents for improving working memory function in schizophrenia. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Psychopharmacology Springer Journals

Selective alterations in prefrontal cortical GABA neurotransmission in schizophrenia: a novel target for the treatment of working memory dysfunction

Psychopharmacology , Volume 174 (1) – Jun 1, 2004

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References (92)

Publisher
Springer Journals
Copyright
Copyright © 2004 by Springer-Verlag
Subject
Medicine
ISSN
0033-3158
eISSN
1432-2072
DOI
10.1007/s00213-003-1673-x
pmid
15205885
Publisher site
See Article on Publisher Site

Abstract

Postmortem studies suggest that markers of reduced GABA neurotransmission in schizophrenia may be selective for, or at least particularly prominent in, the subclass of GABA neurons, chandelier cells, that provide inhibitory input to the axon initial segment of populations of pyramidal neurons. Given the critical role that chandelier cells play in synchronizing the activity of pyramidal neurons, the pharmacological amelioration of this deficit may be particularly effective in normalizing the neural network activity required for working memory function. Because GABA A receptors containing the a 2 subunit are selectively localized to the axon initial segment of pyramidal cells, and appear to be markedly up-regulated in schizophrenia, treatment with novel benzodiazepine-like agents with selective activity at GABA A receptors containing the a 2 subunit may be effective adjuvant agents for improving working memory function in schizophrenia.

Journal

PsychopharmacologySpringer Journals

Published: Jun 1, 2004

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