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Current Molecular Pharmacology


ISSN (Print): 1874-4672
ISSN (Online): 1874-4702

The Role of the Endogenous Cannabinoid System in Peripheral Analgesia

Author(s): Josee Guindon and Pierre Beaulieu

Volume 2, Issue 1, 2009

Page: [134 - 139] Pages: 6

DOI: 10.2174/1874467210902010134

Price: $65


The therapeutic potential of cannabinoids has been studied and investigated through centuries, although many interesting discoveries have emerged from this field in the past decades. Indeed, peripheral analgesic effects of cannabinoids are a new avenue of treatment since they are avoiding the deleterious central side effects of systemic administration. Recently, it has been demonstrated that cannabinoid receptors (more specifically CB1 and CB2 receptors) and their endogenous ligands are present at the peripheral level, especially in different layers of skin, and mostly, in the epidermis and dermis. Those findings are reinforcing and confirming the efficacy of peripheral administration of cannabinoids used to alleviate pain in many different animal models. However, many studies have shown that the endocannabinoid system interacts with other receptors and pathways to modulate pain at the peripheral level. Thereof, the main goal of this review is to explain, in a better way, the different interactions regarding the cannabinoid system with other cellular components of its environment, its involvement in the modulation of pain at the peripheral level and, more precisely, in different layers of the skin.

Keywords: Cannabinoids, endocannabinoids, anandamide, primary afferent neurone, analgesia, pain, opioids

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