Dopamine D1 receptor expression in human basal ganglia and changes in Parkinson's disease

Michael J. Hurley, Deborah C Mash, Peter Jenner

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

The expression of the human dopamine D1 receptor was examined by reverse transcription polymerase chain reaction (RT-PCR) and radioligand binding using [3H]-SCH23390 in post-mortem brain tissue that was obtained from normal subjects and patients dying with Parkinson's disease who were receiving treatment with dopaminergic drugs. D1 receptor mRNA and specific [3H]-SCH23390 binding sites were found in both striatal (nucleus accumbens, caudate nucleus and putamen) and extrastriatal (globus pallidus and substantia nigra) brain regions. In parkinsonian brain, D1 receptor mRNA was increased in the nucleus accumbens, while a decrease was detected in the substantia nigra pars compacta. No change in D1 mRNA levels was found in the other brain areas examined. An increase in the density of specific [3H]-SCH23390 binding sites was found in the anterior putamen and a decrease in the external segment of the globus pallidus, no changes were detected elsewhere. This study demonstrates that regulation of D1 receptor expression in the brain of patients dying with Parkinson's disease that were treated with L-DOPA is confined to small alterations in restricted brain regions.

Original languageEnglish
Pages (from-to)271-279
Number of pages9
JournalMolecular Brain Research
Volume87
Issue number2
DOIs
StatePublished - Mar 5 2001

Fingerprint

Dopamine D1 Receptors
Basal Ganglia
Parkinson Disease
Brain
Globus Pallidus
Putamen
Nucleus Accumbens
Messenger RNA
Binding Sites
Corpus Striatum
Dopamine Agents
Caudate Nucleus
Substantia Nigra
Reverse Transcription
Polymerase Chain Reaction
SCH 23390

Keywords

  • Basal ganglia
  • Dopamine D receptor
  • Parkinson's disease
  • Radioligand binding
  • RT-PCR

ASJC Scopus subject areas

  • Molecular Biology
  • Cellular and Molecular Neuroscience

Cite this

Dopamine D1 receptor expression in human basal ganglia and changes in Parkinson's disease. / Hurley, Michael J.; Mash, Deborah C; Jenner, Peter.

In: Molecular Brain Research, Vol. 87, No. 2, 05.03.2001, p. 271-279.

Research output: Contribution to journalArticle

Hurley, Michael J. ; Mash, Deborah C ; Jenner, Peter. / Dopamine D1 receptor expression in human basal ganglia and changes in Parkinson's disease. In: Molecular Brain Research. 2001 ; Vol. 87, No. 2. pp. 271-279.
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