Evidence map›Paper›PMID 22532560›Full record

ArticleThe Journal of biological chemistry2012

Cannabinoid receptors CB1 and CB2 form functional heteromers in brain.

Lucía Callén, Estefanía Moreno, Pedro Barroso-Chinea, David Moreno-Delgado, Antoni Cortés, Josefa Mallol, Vicent Casadó, José Luis Lanciego, Rafael Franco, Carmen Lluis and 2 more

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 113 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
113citing papers in PubMed, 1 pooled it
12.7field-weighted citation impact, top 1% 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

113 citing papers in PubMed, 1 synthesis or guideline pooled it, 229 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Review
  4. Observational
  5. Article
  6. The endocannabinoid system regulates both ependymoglial and neuronal cell responses to a tail amputation in the axolotl.Developmental dynamics : an official publication of the American Association of Anatomists · 2026
    Article
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Cannabinoids: Role in Neurological Diseases and Psychiatric Disorders.International journal of molecular sciences · 2024
    Review
  16. Article
  17. Article
  18. Review
  19. Article
  20. Review

53 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

12 authors at 3 institutions in 1 country.

Lucía CallénDepartment of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, 08028 Barcelona, Spain.
Estefanía Moreno
Pedro Barroso-Chinea
David Moreno-Delgado
Antoni Cortés
Josefa Mallol
Vicent Casadó
José Luis Lanciego
Rafael Franco
Carmen Lluis
Enric I Canela
Peter J McCormick
Centro de Investigación Biomédica en Red · ESUniversidad de Navarra · ESUniversitat de Barcelona · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Exploring the role of cannabinoid CB(2) receptors in the brain, we present evidence of CB(2) receptor molecular and functional interaction with cannabinoid CB(1) receptors. Using biophysical and biochemical approaches, we discovered that CB(2) receptors can form heteromers with CB(1) receptors in transfected neuronal cells and in rat brain pineal gland, nucleus accumbens, and globus pallidus. Within CB(1)-CB(2) receptor heteromers expressed in a neuronal cell model, agonist co-activation of CB(1) and CB(2) receptors resulted in a negative cross-talk in Akt phosphorylation and neurite outgrowth. Moreover, one specific characteristic of CB(1)-CB(2) receptor heteromers consists of both the ability of CB(1) receptor antagonists to block the effect of CB(2) receptor agonists and, conversely, the ability of CB(2) receptor antagonists to block the effect of CB(1) receptor agonists, showing a bidirectional cross-antagonism phenomenon. Taken together, these data illuminate the mechanism by which CB(2) receptors can negatively modulate CB(1) receptor function.

Indexed as

AnimalsCell Line, TumorGlobus PallidusHEK293 CellsHumansMaleNerve Tissue ProteinsNucleus AccumbensPhosphorylationPineal GlandProtein MultimerizationProto-Oncogene Proteins c-aktRatsRats, Sprague-DawleyReceptor, Cannabinoid, CB1Receptor, Cannabinoid, CB2Cnr2 protein, ratNerve Tissue ProteinsProto-Oncogene Proteins c-aktReceptor, Cannabinoid, CB1Receptor, Cannabinoid, CB2

Identifiers

PMID22532560
PMCPMC3375509
OpenAlexW2075850029

What OpenQuestion holds

Textmetadata
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.