Differential Modulation of Type 1 and Type 2 Cannabinoid Receptors along the Neuroimmune Axis

Sergio Oddi, Paola Spagnuolo, Monica Bari, Antonella D'Agostino, Mauro Maccarrone

Research output: Contribution to journalArticlepeer-review

Abstract

Endocannabinoid-signaling chains have been implicated in a variety of pathophysiological functions, including memory, coordination, vasoregulation, reproduction, neurodegeneration, and inflammation. These activities were thought to be mediated by the activation of two G-protein-coupled receptors (GPCRs), type 1 and type 2 cannabinoid receptors (CB1R and CB2R). These two CBR subtypes share common agonists and trigger similar signaling pathways, yet they present several important differences in structure and cell distribution. In particular, recent research has shown that the CB1R and CB2R are differentially linked to lipid rafts, specialized microdomains of the plasma membrane involved in the signaling of many other GPCRs. We present an overview of the current literature on the effects that lipid raft perturbation have on CBRs activities, and provide a mechanistic model to interpret these data in terms of structural and functional aspects. These findings may also have important implications for the development of new therapeutic approaches, including lipid raft perturbing drugs, aimed to selectively modulate CB1R signaling in a variety of pathological conditions.

Original languageEnglish
Pages (from-to)327-337
Number of pages11
JournalInternational Review of Neurobiology
Volume82
DOIs
Publication statusPublished - 2007

ASJC Scopus subject areas

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology
  • Physiology

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