Cited by 156Cannabis and Cannabinoid ResearchNeuroscience and Neuropharmacology ResearchStress Responses and Cortisol

Genetic disruption of 2-arachidonoylglycerol synthesis reveals a key role for endocannabinoid signaling in anxiety modulation

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Shonesy, Brian C., Bluett, Rebecca J., Ramikie, Teniel S., Báldi, Rita, Hermanson, Daniel J., Kingsley, Philip J., Marnett, Lawrence J., Winder, Danny G. +2 more·2014·Cell Reports

Abstract

Endocannabinoid (eCB) signaling has been heavily implicated in the modulation of anxiety and depressive behaviors and emotional learning. However, the role of the most-abundant endocannabinoid 2-arachidonoylglycerol (2-AG) in the physiological regulation of affective behaviors is not well understood. Here, we show that genetic deletion of the 2-AG synthetic enzyme diacylglycerol lipase α (DAGLα) in mice reduces brain, but not circulating, 2-AG levels. DAGLα deletion also results in anxiety-like and sex-specific anhedonic phenotypes associated with impaired activity-dependent eCB retrograde signaling at amygdala glutamatergic synapses. Importantly, acute pharmacological normalization of 2-AG levels reverses both phenotypes of DAGLα-deficient mice. These data suggest 2-AG deficiency could contribute to the pathogenesis of affective disorders and that pharmacological normalization of 2-AG signaling could represent an approach for the treatment of mood and anxiety disorders.

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Authors
Shonesy, B. C., Bluett, R. J., Ramikie, T. S., Báldi, R., Hermanson, D. J., Kingsley, P. J., Marnett, L. J., Winder, D. G., Colbran, R. J., & Patel, S.
Affiliations
Vanderbilt University (US)
Corresponding author
Patel, Sachin
Venue
Cell Reports
Publisher
Elsevier BV
Published
2014-12
Volume
9
Issue
5
Pages
1644-1653
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2058418000
Cited by
155
References
52
Citations by year
2026: 5 · 2025: 12 · 2024: 12 · 2023: 13 · 2022: 10 · 2021: 22 · 2020: 17 · 2019: 7 · 2018: 13 · 2017: 16 · 2016: 13 · 2015: 14
FWCI
10.45
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Vanderbilt University
  • National Institutes of Health
  • National Institute of Mental Health (R01MH100096, F31MH106192, K08MH090412, T32MH065215)
  • National Institute on Drug Abuse (DA031572, F31DA031572)
  • National Cancer Institute (CA68485, P30CA068485)
  • National Institute of General Medical Sciences (GM 15431, P01GM015431)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK 20593, P30DK020593)
  • National Institute of Neurological Disorders and Stroke (R01NS078291)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P30HD015052, HD 15052)
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
2-arachidonoylglycerol, endocannabinoid signaling, diacylglycerol lipase alpha, anxiety-like behavior, anhedonia, sex differences, retrograde signaling, mood disorders
MeSH terms
Amygdala, Animals, Anxiety, Arachidonic Acids, Depression, Disease Models, Animal, Female, Glycerides, Male, Synaptic Transmission, Mice, Knockout, Glutamic Acid, Endocannabinoids

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