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Protein & Peptide Letters


ISSN (Print): 0929-8665
ISSN (Online): 1875-5305

Critical Enzymes Involved in Endocannabinoid Metabolism

Author(s): Balapal S. Basavarajappa

Volume 14, Issue 3, 2007

Page: [237 - 246] Pages: 10

DOI: 10.2174/092986607780090829

Price: $65


Investigations of the pathways involved in the metabolism of endocannabinoids have grown exponentially in recent years following the discovery of cannabinoid receptors (CB) and their endogenous ligands, such as anandamide (AEA) and 2-arachidonoylglycerol (2-AG). The in vivo biosynthesis of AEA has been shown to occur through several pathways mediated by N-acylphosphatidylethanolamide-phospholipase D (NAPE-PLD), a secretory PLA2 and PLC. 2- AG, a second endocannabinoid is generated through the action of selective enzymes such as phosphatidic acid phsophohydrolase, diacylglycerol lipase (DAGL), phosphoinositide-specific PLC (PI-PLC) and lyso-PLC. A putative membrane transporter or facilitated diffusion is involved in the cellular uptake or release of endocannabinoids. AEA is metabolized by fatty acid amidohydrolase (FAAH) and 2-AG is metabolized by both FAAH and monoacylglycerol lipase (MAGL). The author presents an integrative overview of current research on the enzymes involved in the metabolism of endocannabinoids and discusses possible therapeutic interventions for various diseases, including addiction.

Keywords: FAAH, Endocannabinoids, CNS, NAPE-PLD, MAGL, CB1 receptors, alcohol-drinking behavior, therapy

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