Cited by 102Cannabis and Cannabinoid ResearchPain Mechanisms and TreatmentsInflammatory mediators and NSAID effects

The inhibition of monoacylglycerol lipase by URB602 showed an anti‐inflammatory and anti‐nociceptive effect in a murine model of acute inflammation

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Comelli, F, Giagnoni, G, Bettoni, I, Colleoni, M, Costa, B·2007·British Journal of Pharmacology

Abstract

Background and purpose: 2‐arachidonoylglycerol (2‐AG) is an endocannabinoid whose hydrolysis is predominantly catalysed by the enzyme monoacylglycerol lipase (MAGL). The development of MAGL inhibitors could offer an opportunity to investigate the anti‐inflammatory and anti‐nociceptive role of 2‐AG, which have not yet been elucidated. On these bases, URB602, a MAGL inhibitor, was tested in a murine model of inflammation/inflammatory pain. Experimental approach: Acute inflammation was induced by intraplantar injection of λ‐carrageenan into mice. The highest dose to be employed has been selected performing the tetrad assays for cannabimimetic activity in mice. URB602 anti‐inflammatory and anti‐nociceptive efficacy (assessed by plethysmometer and plantar test, respectively) was evaluated both in a preventive regimen (drug administered 30 min before carrageenan) and in a therapeutic regimen (URB602 administered 30 min after carrageenan). To elucidate the cannabinoid receptor involvement, rimonabant and SR144528, CB 1 and CB 2 selective antagonists, respectively, were given 15 min before URB602. Key results: Systemic administration of URB602 elicited a dose‐dependent anti‐oedemigen and anti‐nociceptive effect that was reversed exclusively by the CB 2 receptor antagonist. The efficacy of URB602 persisted also when the compound was administered in a therapeutic regimen, suggesting the ability of URB602 to improve established disease. Conclusions and implications: The present report highlighted the ability of the selective MAGL inhibitor, URB602, to prevent and treat an acute inflammatory disease without producing adverse psychoactive effects. The data presented herein also contributed to clarify the physiological role of 2‐AG in respect to inflammatory reactions, suggesting its protective role in the body. British Journal of Pharmacology(2007)152, 787–794; doi:10.1038/sj.bjp.0707425; published online 13 August 2007

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Authors
Comelli, F., Giagnoni, G., Bettoni, I., Colleoni, M., & Costa, B.
Affiliations
  • University of Milano-Bicocca (IT)
  • University of Milan (IT)
Corresponding author
Costa, B
Venue
British Journal of Pharmacology
Publisher
Wiley
Published
2007-11
Volume
152
Issue
5
Pages
787-794
ISSN
  • 0007-1188 (ISSN-L)
  • 1476-5381
OpenAlex
W1505609996
Cited by
97
References
34
Citations by year
2026: 2 · 2024: 3 · 2022: 5 · 2021: 5 · 2020: 1 · 2019: 2 · 2018: 9 · 2017: 6 · 2016: 1 · 2015: 6 · 2014: 6 · 2013: 8 · 2012: 8
FWCI
6.01
Type
journal article
Language
en
Open access
Locations
  • British Journal of Pharmacology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • BOA (University of Milano-Bicocca) (submittedVersion)
Funders
Sanofi
Topics
  • Health Sciences › Medicine › Pharmacology › Cannabis and Cannabinoid Research
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Health Sciences › Medicine › Pharmacology › Inflammatory mediators and NSAID effects
Keywords
monoacylglycerol lipase inhibition, 2-arachidonoylglycerol, endocannabinoids, acute inflammation, inflammatory pain, carrageenan-induced paw edema, CB2 receptor, antinociceptive effect, anti-inflammatory activity
MeSH terms
Rimonabant, Acute Disease, Animals, Biphenyl Compounds, Body Temperature, Camphanes, Carrageenan, Disease Models, Animal, Dose-Response Relationship, Drug, Edema, Hindlimb, Hyperalgesia, Inflammation, Injections, Intraperitoneal, Male, Mice, Inbred C57BL, Monoacylglycerol Lipases, Pain, Pain Measurement, Piperidines, Pyrazoles, Pain Threshold, Receptor, Cannabinoid, CB1, Receptor, Cannabinoid, CB2, Mice

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