DARPP-32: Regulator of the efficacy of dopaminergic neurotransmission

  • A. A. Fienberg
  • , N. Hiroi
  • , P. G. Mermelstein
  • , W. J. Song
  • , G. L. Snyder
  • , A. Nishi
  • , A. Cheramy
  • , J. P. O'Callaghan
  • , D. B. Miller
  • , D. G. Cole
  • , R. Corbett
  • , C. N. Haile
  • , D. C. Cooper
  • , S. P. Onn
  • , A. A. Grace
  • , C. C. Ouimet
  • , F. J. White
  • , S. E. Hyman
  • , D. J. Surmeier
  • , J. A. Girault
  • E. J. Nestler, P. Greengard

Research output: Contribution to journalArticlepeer-review

412 Scopus citations

Abstract

Dopaminergic neurons exert a major modulatory effect on the forebrain. Dopamine and adenosine 3',5'-monophosphate-regulated phosphoprotein (32 kilodaltons) (DARPP-32), which is enriched in all neurons that receive a dopaminergic input, is converted in response to dopamine into a potent protein phosphatase inhibitor. Mice generated to contain a targeted disruption of the DARPP-32 gene showed profound deficits in their molecular, electrophysiological, and behavioral responses to dopamine, drugs of abuse, and antipsychotic medication. The results show that DARPP-32 plays a central role in regulating the efficacy of dopaminergic neurotransmission.

Original languageEnglish (US)
Pages (from-to)838-842
Number of pages5
JournalScience
Volume281
Issue number5378
DOIs
StatePublished - Aug 7 1998

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