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Beta-caryophyllene is a dietary cannabinoid.

Jürg Gertsch1, Marco Leonti, Stefan Raduner

  • 1Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, Eidgenössische Technische Hochschule (ETH) Zurich, 8092 Zürich, Switzerland. juerg.gertsch@pharma.ethz.ch

Proceedings of the National Academy of Sciences of the United States of America
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PubMed
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(E)-beta-caryophyllene, a compound found in spices and cannabis, selectively activates the CB(2) receptor. This nonpsychoactive molecule demonstrates anti-inflammatory effects, offering therapeutic potential for various conditions.

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Area of Science:

  • Pharmacology
  • Natural Products Chemistry
  • Immunology

Background:

  • Cannabinoid receptors (CB1 and CB2) are targeted by natural ligands.
  • CB2 receptor activation is a potential therapeutic strategy for inflammation and pain.
  • (E)-beta-caryophyllene [(E)-BCP] is a plant volatile found in spices and cannabis.

Purpose of the Study:

  • To investigate the selective binding and functional activity of (E)-BCP at the CB2 receptor.
  • To explore the anti-inflammatory mechanisms of (E)-BCP in vitro and in vivo.
  • To determine if (E)-BCP exerts cannabimimetic effects.

Main Methods:

  • Molecular docking simulations to identify (E)-BCP binding site in CB2 receptor.
  • In vitro assays using human monocytes to assess cellular responses to (E)-BCP.
  • In vivo studies using mouse models to evaluate the anti-inflammatory effects of (E)-BCP.

Main Results:

  • (E)-BCP selectively binds to and activates the CB2 receptor (Ki = 155 nM).
  • (E)-BCP inhibits inflammatory responses, including cytokine expression and MAPK phosphorylation, in monocytes.
  • (E)-BCP reduces inflammatory responses in vivo in a CB2 receptor-dependent manner.

Conclusions:

  • (E)-beta-caryophyllene is a functional, nonpsychoactive CB2 receptor ligand present in foodstuffs.
  • (E)-BCP exhibits anti-inflammatory properties through CB2 receptor activation.
  • This natural product shows potential as a therapeutic agent for inflammatory conditions.