Cited by 90Cannabis and Cannabinoid ResearchNeurogenesis and neuroplasticity mechanismsTreatment of Major Depression

Blockade of 2-arachidonoylglycerol hydrolysis produces antidepressant-like effects and enhances adult hippocampal neurogenesis and synaptic plasticity

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Zhang, Zhen, Wang, Wei, Zhong, Peng, Liu, Sarah J., Long, Jonathan Z., Zhao, Li, Gao, Hai‐qing, Cravatt, Benjamin F. +1 more·2015·Hippocampus

Abstract

The endocannabinoid ligand 2-arachidonoylglycerol (2-AG) is inactivated primarily by monoacylglycerol lipase (MAGL). We have shown recently that chronic treatments with MAGL inhibitor JZL184 produce antidepressant- and anxiolytic-like effects in a chronic unpredictable stress (CUS) model of depression in mice. However, the underlying mechanisms remain poorly understood. Adult hippocampal neurogenesis has been implicated in animal models of anxiety and depression and behavioral effects of antidepressants. We tested whether CUS and chronic JZL184 treatments affected adult neurogenesis and synaptic plasticity in the dentate gyrus (DG) of mouse hippocampus. We report that CUS induced depressive-like behaviors and decreased the number of bromodeoxyuridine-labeled neural progenitor cells and doublecortin-positive immature neurons in the DG, while chronic JZL184 treatments prevented these behavioral and cellular deficits. We also investigated the effects of CUS and chronic JZL184 on a form long-term potentiation (LTP) in the DG known to be neurogenesis-dependent. CUS impaired LTP induction, whereas chronic JZL184 treatments restored LTP in CUS-exposed mice. These results suggest that enhanced adult neurogenesis and long-term synaptic plasticity in the DG of the hippocampus might contribute to antidepressant- and anxiolytic-like behavioral effects of JZL184.

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Authors
Zhang, Z., Wang, W., Zhong, P., Liu, S. J., Long, J. Z., Zhao, L., Gao, H., Cravatt, B. F., & Liu, Q.
Affiliations
  • Shandong University (CN)
  • Medical College of Wisconsin (US)
  • Scripps Research Institute (US)
  • Beijing Sport University (CN)
  • Department of Geriatrics Qi‐Lu Hospital of Shandong University, Key Laboratory of Proteomics of Shandong Province Jinan Shandong China
Corresponding author
Liu, Qing‐song
Venue
Hippocampus
Publisher
Wiley
Published
2014-08-27
Volume
25
Issue
1
Pages
16-26
ISSN
  • 1050-9631 (ISSN-L)
  • 1098-1063
OpenAlex
W1867064131
Cited by
89
References
77
Citations by year
2026: 4 · 2025: 4 · 2023: 6 · 2022: 10 · 2021: 11 · 2020: 14 · 2019: 11 · 2018: 8 · 2017: 6 · 2016: 5 · 2015: 9
FWCI
4.85
Type
journal article
Language
en
Open access
Locations
  • Hippocampus (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (R21 MH095921 and R01 DA035217)
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
2-arachidonoylglycerol, monoacylglycerol lipase, JZL184, endocannabinoid system, antidepressant effects, depression, chronic unpredictable mild stress, adult hippocampal neurogenesis, dentate gyrus, synaptic plasticity, long-term potentiation, anxiolytic effects, neural progenitor cells, doublecortin
MeSH terms
Animals, Antidepressive Agents, Arachidonic Acids, Behavior, Animal, Depression, Glycerides, Hydrolysis, Male, Mice, Inbred C57BL, Monoacylglycerol Lipases, Neuronal Plasticity, Piperidines, Stress, Psychological, Anti-Anxiety Agents, Dentate Gyrus, Mice, Benzodioxoles, Neurogenesis, Cannabinoid Receptor Agonists, Endocannabinoids

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