Cited by 2,196Cannabis and Cannabinoid ResearchNeuroscience and Neuropharmacology ResearchReceptor Mechanisms and Signaling

2-Arachidonoylgylcerol: A Possible Endogenous Cannabinoid Receptor Ligand in Brain

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Sugiura, T., Kondo, S., Sukagawa, A., Nakane, S., Shinoda, A., Itoh, K., Yamashita, A., Waku, K.·1995·Biochemical and Biophysical Research Communications

Abstract

The effects of anadamide, 2-arachidonoylglycerol and related compounds on the specific binding of a radiolabeled cannabinoid receptor ligand,[3H]CP55940, to synaptosomal membranes were examined. Anandamide, an endogenous cannabinoid receptor ligand, reduced the specific binding of [3H]CP55940 to synaptosomal membranes in a dose-dependent manner: the Ki value was 89 nM. 2-Arachidonoylglycerol was also shown to bind appreciably to the cannabinoid receptor in competitive inhibition experiments. The apparent binding affinity was markedly increased when the binding assay was carried out in the presence of the esterase inhibitor DFP or at 0 degrees C. Free arachidonic acid and N-palmitoylethanolamine were almost inactive in terms of binding to the cannabinoid receptor in synaptosomal membranes. 2-Arachidonoylglycerol may be an endogenous cannabinoid receptor ligand in the brain.

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Crossref · 10.1006/bbrc.1995.2437

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Authors
Sugiura, T., Kondo, S., Sukagawa, A., Nakane, S., Shinoda, A., Itoh, K., Yamashita, A., & Waku, K.
Affiliations
Teikyo University (JP)
Venue
Biochemical and Biophysical Research Communications
Publisher
Elsevier BV
Published
1995-10
Volume
215
Issue
1
Pages
89-97
ISSN
0006-291X (ISSN-L)
OpenAlex
W2085741941
Cited by
2,196
References
0
Citations by year
2026: 22 · 2025: 61 · 2024: 68 · 2023: 63 · 2022: 59 · 2021: 113 · 2020: 97 · 2019: 68 · 2018: 77 · 2017: 74 · 2016: 79 · 2015: 84 · 2014: 87 · 2013: 82 · 2012: 95
FWCI
14.31
Type
journal article
Language
en
Open access
Locations
  • Biochemical and Biophysical Research Communications (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Repositories DataBase (IRDB) (submittedVersion, cc-by-nc-nd)
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
2-arachidonoylglycerol, anandamide, endocannabinoid system, cannabinoid receptors, synaptosomal membranes, competitive inhibition, esterase inhibition, DFP, arachidonic acid, N-palmitoylethanolamine, brain
MeSH terms
Animals, Arachidonic Acids, Binding, Competitive, Brain, Cannabinoids, Cyclohexanols, Dose-Response Relationship, Drug, Glycerides, Lipase, Male, Receptors, Drug, Synaptic Membranes, Tritium, Rats, Wistar, Receptors, Cannabinoid, Rats, Polyunsaturated Alkamides, Endocannabinoids

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