Evidence mapPaperPMID 41857771Full record

ArticleBiology of sex differences2026

Neuroglial CB1 receptors modulate hippocampal processes in a sex-dependent manner.

Jon Egaña-Huguet, Lucía Sangroniz-Beltrán, Andrés M Baraibar, Pablo Reyes-Velásquez, Nicolas F Landgraf, Paula Torres-Maldonado, Cathaysa Rodríguez-Cedrés, Francisca Julio-Kalajzic, Joaquín Piriz, Almudena Ramos and 5 more

Abstract read
In one paragraph

Article in Biology of sex differences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
field-weighted citation impact
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

1 citing paper in PubMed.

  1. Article
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

15 authors.

Jon Egaña-Huguet *Department of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
Lucía Sangroniz-Beltrán *Department of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
Andrés M BaraibarDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
Pablo Reyes-VelásquezDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
Nicolas F LandgrafDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.ORCID 0009-0003-9134-6575
Paula Torres-MaldonadoDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
Cathaysa Rodríguez-CedrésDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
Francisca Julio-KalajzicU1215 Neurocentre Magendie, Endocannabinoïdes et neuroadaptation, Institut national de la santé et de la recherche médicale (INSERM), Bordeaux, 33000, France.
Joaquín PirizAchucarro Basque Center for Neuroscience, Leioa, 48940, Spain.
Almudena RamosDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
Pedro GrandesDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
Giovanni MarsicanoU1215 Neurocentre Magendie, Endocannabinoïdes et neuroadaptation, Institut national de la santé et de la recherche médicale (INSERM), Bordeaux, 33000, France.
Susana MatoDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
María CepriánDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain. maria.ceprian@achucarro.org.
Edgar Soria-GómezDepartment of Neurosciences, University of the Basque Country UPV/EHU, Leioa, 48940, Spain. edgar.soria@achucarro.org.

Funding

Eusko Jaurlaritza IT1620-22Eusko Jaurlaritza PIBA_2023_1_0046Fondation pour l'Aide à la Recherche sur la Sclérose en Plaques ARSEP-1310Instituto de Salud Carlos III PI21/00629Instituto de Salud Carlos III RD24/0003/0027Ministerio de Ciencia e Innovación PGC2018-093990-A-I00
6 · The paper itself

Abstract

backgroundNavigation and memory are hippocampal functions that are essential for survival. One of the key modulators of hippocampal activity is the endocannabinoid system through the cannabinoid receptor type 1 (CB1). CB1 is widely expressed in various types of hippocampal cells. While it is known that CB1 participates in memory processes, its specific roles in different cell types and differences between sexes remain unclear.

methodsThis study investigates the cell- and sex-specific modulation of navigation and memory by CB1 receptors. To this end, we selectively deleted CB1 receptors from hippocampal neurons or astrocytes in adult male and female mice. We then assessed its effect on a comprehensive range of behaviors, including innate emotional responses, memory, navigation, and nesting.

resultsDeletion of CB1 from hippocampal principal cells or astrocytes produced significant changes in innate emotional behavior and novel object recognition in both sexes. Conversely, CB1 receptor deletion from all neurons produced deficits in spatial navigation exclusively in males. Interestingly, synaptic plasticity was impaired in both male and female mice lacking CB1 receptors from GFAP-positive cells. Nest-building behavior was only affected in males carrying the CB1 deletion in CAMK-positive cells.

conclusionIn conclusion, our findings show that neuronal CB1 receptors are critical for spatial navigation in males, while astrocytic CB1 receptors play a key role in memory processes in both males and females.

Indexed as

HippocampusReceptor, Cannabinoid, CB1Sex CharacteristicsAnimalsAstrocytesFemaleMaleMemoryMiceMice, Inbred C57BLMice, KnockoutNesting BehaviorNeuronal PlasticityNeuronsReceptor, Cannabinoid, CB1AstrocytesCB1 receptorsHippocampusMemoryNavigationNeuronsSex differences

Identifiers

PMID41857771
PMCPMC13162385

What Socratic holds

Textmetadata
LicenceCC BY
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 Socratic graph.