Cited by 135Cannabis and Cannabinoid ResearchNeurogenesis and neuroplasticity mechanismsMedicinal Plant Extracts Effects

Influence of single and repeated cannabidiol administration on emotional behavior and markers of cell proliferation and neurogenesis in non-stressed mice

Schiavon, Angélica Pupin, Bonato, Jéssica Mendes, Milani, Humberto, Guimarães, Francisco Silveira, Weffort de Oliveira, Rúbia Maria·2016·Progress in Neuro-Psychopharmacology and Biological Psychiatry

Abstract

Therapeutic effects of antidepressants and atypical antipsychotics may arise partially from their ability to stimulate neurogenesis. Cannabidiol (CBD), a phytocannabinoid present in Cannabis sativa, presents anxiolytic- and antipsychotic-like effects in preclinical and clinical settings. Anxiolytic-like effects of repeated CBD were shown in chronically stressed animals and these effects were parallel with increased hippocampal neurogenesis. However, antidepressant-like effects of repeated CBD administration in non-stressed animals have been scarcely reported. Here we investigated the behavioral consequences of single or repeated CBD administration in non-stressed animals. We also determined the effects of CBD on cell proliferation and neurogenesis in the dentate gyrus (DG) and subventricular zone (SVZ). Single CBD 3mg/kg administration resulted in anxiolytic-like effect in mice submitted to the elevated plus maze (EPM). In the tail suspension test (TST), single or repeated CBD administration reduced immobility time, an effect that was comparable to those of imipramine (20 mg/kg). Moreover, repeated CBD administration at a lower dose (3 mg/kg) increased cell proliferation and neurogenesis, as seen by an increased number of Ki-67-, BrdU- and doublecortin (DCX)-positive cells in both in DG and SVZ. Despite its antidepressant-like effects in the TST, repeated CBD administration at a higher dose (30 mg/kg) decreased cell proliferation and neurogenesis in the hippocampal DG and SVZ. Our findings show a dissociation between behavioral and proliferative effects of repeated CBD and suggest that the antidepressant-like effects of CBD may occur independently of adult neurogenesis in non-stressed Swiss mice.

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Crossref · 10.1016/j.pnpbp.2015.06.017

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Authors
Schiavon, A. P., Bonato, J. M., Milani, H., Guimarães, F. S., & Weffort de Oliveira, R. M.
Affiliations
  • Universidade Estadual de Maringá (BR)
  • Universidade de São Paulo (BR)
Venue
Progress in Neuro-Psychopharmacology and Biological Psychiatry
Publisher
Elsevier BV
Published
2016-01
Volume
64
Pages
27-34
ISSN
0278-5846 (ISSN-L)
OpenAlex
W871462140
Cited by
135
References
77
Citations by year
2026: 5 · 2025: 10 · 2024: 7 · 2023: 14 · 2022: 14 · 2021: 29 · 2020: 10 · 2019: 14 · 2018: 15 · 2017: 10 · 2016: 7
FWCI
7.67
Type
journal article
Language
en
Open access
closed
Locations
  • Progress in Neuro-Psychopharmacology and Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (47479820127)
  • Universidade Estadual de Maringá
  • Fundação Araucária
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plant Extracts Effects
Keywords
cannabidiol, antidepressant-like effects, anxiolytic-like effects, adult neurogenesis, cell proliferation, dentate gyrus, subventricular zone, tail suspension test, elevated plus maze, dose-dependent effects, Ki-67, doublecortin, imipramine, phytocannabinoids
MeSH terms
Doublecortin Domain Proteins, Doublecortin Protein, Animals, Anxiety, Cannabidiol, Dose-Response Relationship, Drug, Emotions, Imipramine, Male, Microtubule-Associated Proteins, Motor Activity, Neuropeptides, Psychotropic Drugs, Random Allocation, Dentate Gyrus, Ki-67 Antigen, Cell Proliferation, Mice, Stem Cell Niche, Neurogenesis

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