Cited by 91Pain Mechanisms and TreatmentsCannabis and Cannabinoid ResearchIon Channels and Receptors

Actions of N-arachidonyl-glycine in a rat neuropathic pain model

Vuong, Leeza A.Q., Mitchell, Vanessa A., Vaughan, Christopher W.·2008·Neuropharmacology

Abstract

While cannabinoid receptor agonists reduce the abnormal pain sensations associated with animal models of neuropathic pain states they also produce CB(1) receptor mediated side effects. Recently, a number of arachidonic acid-amino acid conjugates, including N-arachidonyl-glycine (NAGly), have been identified which are structurally related to the endocannabinoid arachidonyl ethanolamide (anandamide). In the present study we examined the effect of NAGly in a rat model of neuropathic pain. Intrathecal administration of NAGly (700 nmol) and the pan-cannabinoid receptor agonist HU-210 (30 nmol) reduced the mechanical allodynia induced by partial ligation of the sciatic nerve. The NAGly induced anti-allodynia was dose dependent and, unlike HU-210, was unaffected by the cannabinoid CB(1) and CB(2) receptor antagonists, AM251 and SR144528 (30 nmol). The NAGly degradation products, arachidonic acid and glycine (700 nmol), did not reduce allodynia. HU-210, but not NAGly produced a reduction in rotarod latency. These findings suggest that NAGly may provide a novel analgesic approach to alleviate neuropathic pain.

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Crossref · 10.1016/j.neuropharm.2007.05.004

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  • Intrathecal N-arachidonoyl glycine attenuated mechanical allodynia in the Seltzer model, but its anti-hyperalgesic actions are independent of spinal cannabinoid receptors.

    “Intrathecal N-arachidonoyl glycine (NaGly), the arachodonic acid conjugate, also attenuated mechanical allodynia in this model, however, the anti-hyperalgesic actions of this compound are independent of spinal cannabinoid receptors.75”

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Authors
Vuong, L. A. Q., Mitchell, V. A., & Vaughan, C. W.
Affiliations
The University of Sydney (AU)
Corresponding author
Vaughan, Christopher W.
Venue
Neuropharmacology
Publisher
Elsevier BV
Published
2008-01
Volume
54
Issue
1
Pages
189-193
ISSN
0028-3908 (ISSN-L)
OpenAlex
W2018469929
Cited by
89
References
30
Citations by year
2026: 4 · 2025: 4 · 2024: 3 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 3 · 2019: 6 · 2018: 5 · 2017: 4 · 2016: 2 · 2015: 3 · 2014: 6 · 2013: 9 · 2012: 6
FWCI
5.32
Type
journal article
Language
en
Open access
closed
Locations
  • Neuropharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Health and Medical Research Council
  • National Medical Research Council
Topics
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
Keywords
neuropathic pain, mechanical allodynia, sciatic nerve ligation, cannabinoid receptor agonists, HU-210, CB1 receptor, CB2 receptor, intrathecal administration, analgesia
MeSH terms
Analgesics, Animals, Arachidonic Acids, Camphanes, Disease Models, Animal, Dose-Response Relationship, Drug, Glycine, Hyperalgesia, Male, Pain Measurement, Piperidines, Pyrazoles, Sciatica, Dronabinol, Rats, Sprague-Dawley, Area Under Curve, Rats

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