Cited by 22Cannabis and Cannabinoid ResearchNeuroscience and Neuropharmacology ResearchReceptor Mechanisms and Signaling

Lack of hippocampal CB1 receptor desensitization by Δ9-tetrahydrocannabinol in aged mice and by low doses of JZL 184

Feliszek, Monika, Bindila, Laura, Lutz, Beat, Zimmer, Andreas, Bilkei-Gorzo, Andras, Schlicker, Eberhard·2016·Naunyn-Schmiedeberg s Archives of Pharmacology

Abstract

Activation of cannabinoid CB1 receptors may offer new therapeutic strategies, but the efficiency of CB1 receptor agonists may be impaired by tolerance development upon prolonged administration. We compared the influence of repeated administration of Δ(9)-tetrahydrocannabinol (THC) 10 mg/kg on the motility and on basal and CB1 receptor-stimulated (35)S-GTPγS binding of adolescent and aged mice. Moreover, we determined the influence of JZL 184 (which inhibits the 2-arachidonoylglycerol, 2-AG, degrading enzyme monoacylglycerol lipase, MAGL) on (35)S-GTPγS binding and 2-AG levels of young adult mice. Mouse motility was tested in the open field. (35)S-GTPγS binding was studied in hippocampal membranes. THC and CP 55,940 were used as cannabinoid agonists in the behavioural and biochemical studies, respectively. 2-AG levels were quantified by liquid chromatography-multiple reaction monitoring. The THC (10 mg/kg)-induced hypomotility was stronger in untreated than in THC-pretreated adolescent mice but similar in both treatment groups of aged mice. Basal and stimulated (35)S-GTPγS binding was decreased in membranes from THC-pretreated adolescent but not affected in membranes from aged mice. Treatment of young adult mice with JZL 184 (4, 10 and 40 mg/kg) for 14 days did not affect basal binding. Stimulated binding tended to be decreased by 25 % only in mice treated with JZL 184 (40 mg/kg). Hippocampal 2-AG level was increased by JZL 184 at 40 and 10 but not affected at 4 mg/kg. In conclusion, CB1 receptor tolerance does not occur in aged mice pretreated with THC and in young adult mice treated with a low dose of the MAGL inhibitor JZL 184.

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Crossref · 10.1007/s00210-016-1226-6

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  • CB1R desensitization is not seen at lower doses of MAGL inhibitors.

    “Although CB1R desensitization is not seen at lower doses of MAGL inhibitors (Feliszek et al., 2016; Kinsey et al., 2013)”

    From The endocannabinoid system as a target for novel anxiolytic drugs (2017) · cites this paper as Feliszek et al., 2016

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Authors
Feliszek, M., Bindila, L., Lutz, B., Zimmer, A., Bilkei-Gorzo, A., & Schlicker, E.
Affiliations
  • University of Bonn (DE)
  • University Medical Center of the Johannes Gutenberg University Mainz (DE)
Corresponding author
Schlicker, Eberhard
Venue
Naunyn-Schmiedeberg s Archives of Pharmacology
Published
2016-03-17
Volume
389
Issue
6
Pages
603-612
ISSN
  • 0028-1298 (ISSN-L)
  • 1432-1912
OpenAlex
W2461742539
Cited by
22
References
60
Citations by year
2026: 2 · 2025: 2 · 2024: 3 · 2023: 2 · 2022: 5 · 2021: 2 · 2020: 2 · 2019: 1 · 2018: 1 · 2017: 2
FWCI
1.08
Type
journal article
Language
en
Open access
closed
Locations
  • Naunyn-Schmiedeberg s Archives of Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Deutsche Forschungsgemeinschaft
  • Agence Nationale pour la Gestion des Déchets Radioactifs
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
Keywords
cannabinoid tolerance, delta-9-tetrahydrocannabinol, monoacylglycerol lipase inhibition, 2-arachidonoylglycerol, hippocampus, aged mice, locomotor activity, GTPgammaS binding, CP55,940, cannabinoid receptor agonists
MeSH terms
Age Factors, Animals, Arachidonic Acids, Behavior, Animal, Dose-Response Relationship, Drug, Drug Tolerance, Enzyme Inhibitors, Genotype, Glycerides, Hippocampus, Male, Mice, Inbred C57BL, Monoacylglycerol Lipases, Motor Activity, Phenotype, Piperidines, Dronabinol, Guanosine 5'-O-(3-Thiotriphosphate), Mice, Knockout, Receptor, Cannabinoid, CB1, Benzodioxoles, Cannabinoid Receptor Agonists, Endocannabinoids

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