IMR Press / FBL / Volume 14 / Issue 3 / DOI: 10.2741/3288

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with Frontiers in Bioscience.

Open Access Article

Cannabinoid Receptors: A brief history and  “what’s hot”

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1 Department of Pharmacology and Clinical Pharmacology, Faculty of Medical and Health Sciences, University of Auckland, New Zealand
2 Department of Pharmacology, University of Otago, New Zealand
Academic Editor:Kevin Pfleger
Front. Biosci. (Landmark Ed) 2009, 14(3), 944–957; https://doi.org/10.2741/3288
Published: 1 January 2009
(This article belongs to the Special Issue G protein-coupled receptors)
Abstract

Our understanding of the complexity of the endocannabinoid system has evolved considerably since the cloning of the receptors in the early 1990s. Since then several endogenous ligands have been identified and their respective biosynthetic pathways unravelled. This research has revealed the involvement of the cannabinoid system in a number of important physiological processes including the regulation of neurotransmitter release, pain and analgesia, energy homeostasis, and control of immune cell function. All of these events are mediated by two similar receptors, CB1 and CB2, which were initially thought to possess mutually exclusive expression profiles. Recent advances have begun to dissolve such absolutes with the discovery of CB2 in brain tissue and identification of a range of functions for CB1 in peripheral tissues. With improved understanding of the cannabinoid system comes the illumination of various roles in disease pathologies and identification of potential therapeutic targets. This review provides an overview of the current understanding of the endocannabinoid system, and then focuses on recent discoveries that we believe are likely to shape the future directions of the field.

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