Evidence map›Paper›PMID 18800071›Full record

ArticleNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology2009

Dopamine D2 and adenosine A2A receptors regulate NMDA-mediated excitation in accumbens neurons through A2A-D2 receptor heteromerization.

Karima Azdad, David Gall, Amina S Woods, Catherine Ledent, Sergi Ferré, Serge N Schiffmann

Open access · bronzeAbstract read
In one paragraph

Article in Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 97 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
97citing papers in PubMed, 1 pooled it
5.9field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

97 citing papers in PubMed, 1 synthesis or guideline pooled it, 181 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Dopamine modulation of aggression.Psychopharmacology · 2026
    Review
  5. Adenosine AFrontiers in pharmacology · 2026
    Article
  6. Article
  7. Review
  8. Article
  9. Striatopallidal adenosine ANeuropharmacology · 2023
    Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. Review
  20. Effects of adenosine APsychopharmacology · 2019
    Article

37 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 2 countries.

Karima AzdadLaboratory of Neurophysiology, Université Libre de Bruxelles, Brussels, Belgium. kazdad@ulb.ac.be
David Gall
Amina S Woods
Catherine Ledent
Sergi Ferré
Serge N Schiffmann
Université Libre de Bruxelles · BENational Institute on Drug Abuse · USNational Institutes of Health · US

Funding

Neurotransmitter Receptor Heteromers in the Striatal Spine ModuleZIADA000493 · NIDA · NATIONAL INSTITUTE ON DRUG ABUSE · PI FERRE, SERGI · 2009 to 2025
$35.6M
Intramural NIH HHS Z99 DA999999
6 · The paper itself

Abstract

Bursting activity of striatal medium spiny neurons results from membrane potential oscillations between a down- and an upstate that could be regulated by G-protein-coupled receptors. Among these, dopamine D(2) and adenosine A(2A) receptors are highly enriched in striatal neurons and exhibit strong interactions whose physiological significance and molecular mechanisms remain partially unclear. More particularly, respective involvements of common intracellular signaling cascades and A(2A)-D(2) receptor heteromerization remain unknown. Here we show, by performing perforated-patch-clamp recordings on brain slices and loading competitive peptides, that D(2) and A(2A) receptors regulate the induction by N-methyl-D-aspartate of a depolarized membrane potential plateau through mechanisms relying upon specific protein-protein interactions. Indeed, D(2) receptor activation abolished transitions between a hyperpolarized resting potential and a depolarized plateau potential by regulating the Ca(V)1.3a calcium channel activity through interactions with scaffold proteins Shank1/3. Noticeably, A(2A) receptor activation had no effect per se but fully reversed the effects of D(2) receptor activation through a mechanism in which A(2A)-D(2) receptors heteromerization is strictly mandatory, demonstrating therefore a first direct physiological relevance of these heteromers. Our results show that membrane potential transitions and firing patterns in striatal neurons are tightly controlled by D(2) and A(2A) receptors through specific protein-protein interactions including A(2A)-D(2) receptors heteromerization.

Indexed as

Adaptor Proteins, Signal TransducingAnimalsCalcium Channels, L-TypeIn Vitro TechniquesMembrane PotentialsMiceMice, KnockoutNerve Tissue ProteinsNeuronsN-MethylaspartateNucleus AccumbensPatch-Clamp TechniquesPresynaptic TerminalsProtein MultimerizationRatsRats, WistarAdaptor Proteins, Signal TransducingCalcium Channels, L-TypeNerve Tissue ProteinsN-MethylaspartateReceptors, Adenosine A2Receptors, Dopamine D2Shank1 protein, ratShank3 protein, rat

Identifiers

PMID18800071
PMCPMC5527972
OpenAlexW1973074412

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.