Localization of dopamine D4 receptors in GABAergic neurons of the primate brain

L. Mrzljak, Clare M Bergson, M. Pappy, R. Huff, R. Levenson, P. S. Goldman-Rakic

Research output: Contribution to journalArticle

398 Citations (Scopus)

Abstract

Dopamine receptors are the principal targets of drugs used in the treatment of schizophrenia. Among the five mammalian dopamine-receptor subtypes, the D4 subtype is of particular interest because of its high affinity for the atypical neuroleptic clozapine. Interest in clozapine stems from its effectiveness in reducing positive and negative symptoms in acutely psychotic and treatment-resistant schizophrenic patients without eliciting extrapyramidal side effects. We have produced a subtype-specific antibody against the D4 receptor and localized it within specific cellular elements and synaptic circuits of the central nervous system. The D4-receptor antibody labelled GABAergic neurons in the cerebral cortex, hippocampus, thalamic reticular nucleus, globus pallidus and the substantia nigra (pars reticulata). Labelling was also observed in a subset of cortical pyramidal cells. Our findings suggest that clozapine's beneficial effects in schizophrenia may be achieved, in part, through D4-mediated GABA modulation, possibly implicating disinhibition of excitatory transmission in intrinsic cortical, thalamocortical and extrapyramidal pathways.

Original languageEnglish (US)
Pages (from-to)245-248
Number of pages4
JournalNature
Volume381
Issue number6579
DOIs
StatePublished - May 16 1996
Externally publishedYes

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Dopamine D4 Receptors
GABAergic Neurons
Clozapine
Primates
Schizophrenia
Brain
Thalamic Nuclei
Globus Pallidus
Antibodies
Pyramidal Cells
Dopamine Receptors
Cerebral Cortex
gamma-Aminobutyric Acid
Antipsychotic Agents
Hippocampus
Central Nervous System
Therapeutics
Pharmaceutical Preparations

ASJC Scopus subject areas

  • General

Cite this

Mrzljak, L., Bergson, C. M., Pappy, M., Huff, R., Levenson, R., & Goldman-Rakic, P. S. (1996). Localization of dopamine D4 receptors in GABAergic neurons of the primate brain. Nature, 381(6579), 245-248. https://doi.org/10.1038/381245a0

Localization of dopamine D4 receptors in GABAergic neurons of the primate brain. / Mrzljak, L.; Bergson, Clare M; Pappy, M.; Huff, R.; Levenson, R.; Goldman-Rakic, P. S.

In: Nature, Vol. 381, No. 6579, 16.05.1996, p. 245-248.

Research output: Contribution to journalArticle

Mrzljak, L, Bergson, CM, Pappy, M, Huff, R, Levenson, R & Goldman-Rakic, PS 1996, 'Localization of dopamine D4 receptors in GABAergic neurons of the primate brain', Nature, vol. 381, no. 6579, pp. 245-248. https://doi.org/10.1038/381245a0
Mrzljak L, Bergson CM, Pappy M, Huff R, Levenson R, Goldman-Rakic PS. Localization of dopamine D4 receptors in GABAergic neurons of the primate brain. Nature. 1996 May 16;381(6579):245-248. https://doi.org/10.1038/381245a0
Mrzljak, L. ; Bergson, Clare M ; Pappy, M. ; Huff, R. ; Levenson, R. ; Goldman-Rakic, P. S. / Localization of dopamine D4 receptors in GABAergic neurons of the primate brain. In: Nature. 1996 ; Vol. 381, No. 6579. pp. 245-248.
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