Cited by 1,470Cannabis and Cannabinoid ResearchNeuroscience and Neuropharmacology ResearchReceptor Mechanisms and Signaling

Identification and Functional Characterization of Brainstem Cannabinoid CB2Receptors

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Van Sickle, Marja D., Duncan, Marnie, Kingsley, Philip J., Mouihate, Abdeslam, Urbani, Paolo, Mackie, Ken, Stella, Nephi, Makriyannis, Alexandros +7 more·2005·Science

Abstract

The presence and function of CB2 receptors in central nervous system (CNS) neurons are controversial. We report the expression of CB2 receptor messenger RNA and protein localization on brainstem neurons. These functional CB2 receptors in the brainstem were activated by a CB2 receptor agonist, 2-arachidonoylglycerol, and by elevated endogenous levels of endocannabinoids, which also act at CB1 receptors. CB2 receptors represent an alternative site of action of endocannabinoids that opens the possibility of nonpsychotropic therapeutic interventions using enhanced endocannabinoid levels in localized brain areas.

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Crossref · 10.1126/science.1115740

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Authors
Van Sickle, M. D., Duncan, M., Kingsley, P. J., Mouihate, A., Urbani, P., Mackie, K., Stella, N., Makriyannis, A., Piomelli, D., Davison, J. S., Marnett, L. J., Di Marzo, V., Pittman, Q. J., Patel, K. D., & Sharkey, K. A.
Affiliations
  • Institute of Infection, Immunity, and Inflammation and Hotchkiss Brain Institute, Department of Physiology and Biophysics, University of Calgary, Calgary, AB, Canada T2N 4N1.
  • University of Calgary (CA)
Corresponding author
  • Duncan, Marnie
  • Sharkey, Keith A.
Venue
Science
Published
2005-10-14
Volume
310
Issue
5746
Pages
329-332
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2124248227
Cited by
1,470
References
26
Citations by year
2026: 16 · 2025: 22 · 2024: 35 · 2023: 43 · 2022: 60 · 2021: 66 · 2020: 60 · 2019: 54 · 2018: 50 · 2017: 66 · 2016: 65 · 2015: 79 · 2014: 91 · 2013: 87 · 2012: 66
FWCI
66.99
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
National Institute of General Medical Sciences (GM 15431)
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
CB2 receptor, brainstem neurons, endocannabinoids, 2-arachidonoylglycerol, CB1 receptor, receptor mRNA expression, receptor localization, central nervous system
MeSH terms
Animals, Arachidonic Acids, Brain Stem, Cannabinoids, Cerebellum, Cerebral Cortex, Ferrets, Immunohistochemistry, RNA, Messenger, Vomiting, Blotting, Western, Reverse Transcriptase Polymerase Chain Reaction, Receptor, Cannabinoid, CB2, Mice, Rats, Polyunsaturated Alkamides, Cannabinoid Receptor Modulators, Endocannabinoids

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