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Published in: Journal of Neural Transmission 4/2013

01-04-2013 | Neurology and Preclinical Neurological Studies - Review Article

Genetics of impulse control disorders in Parkinson’s disease

Authors: Florence Cormier, Julia Muellner, Jean-Christophe Corvol

Published in: Journal of Neural Transmission | Issue 4/2013

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Abstract

Impulse control disorders (ICD) have been recognised in Parkinson’s disease (PD) as adverse effects of dopamine replacement therapy, particularly with dopamine agonists. Although virtually all PD patients are treated with dopaminergic drugs, only a minority will develop hyperdopaminergic states, suggesting predisposing and/or protecting factors. The age at onset, the sex and the dose or type of dopaminergic drugs have been identified as clinical predictive factors. Recent genetic studies have investigated associations between ICD and polymorphisms of genes involved in the dopamine metabolism pathway (COMT, DAT), dopamine receptors (DRD1, DRD2, DRD3, DRD4), serotonin receptors and its transporter (HTR2A, 5HTT), and glutamate receptors (GRIN2B). Although validation in larger and independent cohorts is needed, the results from these studies give us some insights into the pathophysiology of hyperdopaminergic states and may be useful, at term, in personalising antiparkinsonian treatment in clinical practice.
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Metadata
Title
Genetics of impulse control disorders in Parkinson’s disease
Authors
Florence Cormier
Julia Muellner
Jean-Christophe Corvol
Publication date
01-04-2013
Publisher
Springer Vienna
Published in
Journal of Neural Transmission / Issue 4/2013
Print ISSN: 0300-9564
Electronic ISSN: 1435-1463
DOI
https://doi.org/10.1007/s00702-012-0934-4

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