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Dopamine-receptor stimulation: Biobehavioral and biochemical consequences

  • Frédéric Calon
  • , Abdallah Hadj Tahar
  • , Pierre J. Blanchet
  • , Marc Morissette
  • , Richard Grondin
  • , Martin Goulet
  • , Jean Pierre Doucet
  • , George S. Robertson
  • , Eric Nestler
  • , Thérèse Di Paolo
  • , Paul J. Bédard

Producción científica: Review articlerevisión exhaustiva

91 Citas (Scopus)

Resumen

The MPTP monkey is a well-characterized animal model of parkinsonism and provides an exceptional tool for the study of dyskinesias induced by dopamine-like agents. Several such agents have been tested during the past 15 years, and it has been found that the duration of action of these compounds is the most reliable variable with which to predict their dyskinesiogenic profile. It is proposed that L-dopa-induced dyskinesias represent a form of pathological learning caused by chronic pulsatile (nonphysiological) stimulation of dopamine receptors, which activates a cascade of molecular and biochemical events. These events include defective regulation of Fos proteins that belong to the ΔFosB family, increased expression of neuropeptides, and defective GABA- and glutamate-mediated neurotransmission in the output structures of the basal ganglia.

Idioma originalEnglish
Páginas (desde-hasta)S92-S100
PublicaciónTrends in Neurosciences
Volumen23
N.º10 SUPPL.
DOI
EstadoPublished - 2000

Nota bibliográfica

Funding Information:
The authors' research was supported by grants from the Medical Research Council of Canada (MRC; P.J.B. and T.D.P.) and the Parkinson Foundation of Canada (T.D.P. and P.J.B.). F.C. holds a health professional studentship from Novartis in association with the MRC of Canada and from the Fonds de la Recherche en Sant~ du Quebec.

Financiación

The authors' research was supported by grants from the Medical Research Council of Canada (MRC; P.J.B. and T.D.P.) and the Parkinson Foundation of Canada (T.D.P. and P.J.B.). F.C. holds a health professional studentship from Novartis in association with the MRC of Canada and from the Fonds de la Recherche en Sant~ du Quebec.

Financiadores
Parkinson Foundation of Canada
Medical Research Council Canada

    ASJC Scopus subject areas

    • General Neuroscience

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