Association of a missense change in the D2 dopamine receptor with myoclonus dystonia

Christine Klein, Mitchell F. Brin, Patricia Kramer, Miguel Sena-Esteves, Deborah De Leon, Dana Doheny, Susan Bressman, Stanley Fahn, Xandra O. Breakefield, Laurie J. Ozelius

Research output: Contribution to journalArticle

106 Citations (Scopus)

Abstract

Hereditary autosomal dominant myoclonus dystonia (MD) is a movement disorder characterized by involuntary lightning jerks and dystonic movements and postures alleviated by alcohol. Although various large families with MD have been described, no positive linkage has been found to a chromosomal location. We report a family with eight members with MD. Linkage analysis identified a 23-centimorgan region on chromosome 11q23 that cosegregates with the disease state (maximum multipoint logarithm of odds score = 2.96 at D11S897). This region contains an excellent candidate gene for involvement in the etiology of MD, the D2 dopamine receptor (DRD2) gene. Neurotransmission mediated by DRD2 is known to have a key role in the control of movement and also has been implicated in reward and reinforcement mechanisms and psychiatric disorders. Sequencing of the coding region of DRD2 indicated that all affected and obligate carriers were heterozygous for a Val154Ile change in exon 3 of the protein, which is highly conserved across species. This change was found neither in other unaffected members of the pedigree nor in 250 control chromosomes. Our finding provides evidence for the involvement of DRD2 in a disorder of the central nervous system and should lead to further insight into the function of the dopaminergic system in dystonia and other movement and mood disorders.

Original languageEnglish (US)
Pages (from-to)5173-5176
Number of pages4
JournalProceedings of the National Academy of Sciences of the United States of America
Volume96
Issue number9
DOIs
StatePublished - Apr 27 1999

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Dopamine D2 Receptors
Movement Disorders
Chromosomes
Lightning
Dystonia
Central Nervous System Diseases
Pedigree
Posture
Mood Disorders
Reward
Synaptic Transmission
Genes
Psychiatry
Exons
Alcohols
Myoclonic dystonia
Proteins

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Association of a missense change in the D2 dopamine receptor with myoclonus dystonia. / Klein, Christine; Brin, Mitchell F.; Kramer, Patricia; Sena-Esteves, Miguel; De Leon, Deborah; Doheny, Dana; Bressman, Susan; Fahn, Stanley; Breakefield, Xandra O.; Ozelius, Laurie J.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 96, No. 9, 27.04.1999, p. 5173-5176.

Research output: Contribution to journalArticle

Klein, C, Brin, MF, Kramer, P, Sena-Esteves, M, De Leon, D, Doheny, D, Bressman, S, Fahn, S, Breakefield, XO & Ozelius, LJ 1999, 'Association of a missense change in the D2 dopamine receptor with myoclonus dystonia', Proceedings of the National Academy of Sciences of the United States of America, vol. 96, no. 9, pp. 5173-5176. https://doi.org/10.1073/pnas.96.9.5173
Klein, Christine ; Brin, Mitchell F. ; Kramer, Patricia ; Sena-Esteves, Miguel ; De Leon, Deborah ; Doheny, Dana ; Bressman, Susan ; Fahn, Stanley ; Breakefield, Xandra O. ; Ozelius, Laurie J. / Association of a missense change in the D2 dopamine receptor with myoclonus dystonia. In: Proceedings of the National Academy of Sciences of the United States of America. 1999 ; Vol. 96, No. 9. pp. 5173-5176.
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