(+-)5(6)-EET Ethanolamide

Arachidonyl ethanolamide (AEA; Item No. 90050) is an endogenous lipid neurotransmitter with cannabinergic activity, binding to both the central cannabinoid (CB1) and peripheral cannabinoid (CB2) receptors.{2713,14062} Fatty acid amide hydrolase (FAAH) is the enzyme responsible for the hydrolysis and inactivation of AEA.{13132} Metabolism of AEA by cyclooxygenase-2, leading to formation of prostaglandin ethanolamides, and by lipoxygenases has also been documented.{12168} (±)5(6)-EET ethanolamide is a cytochrome P450 (CYP450) metabolite of AEA, although specific stereochemistry rather than a racemic mixture ensues from enzymatic metabolism. (±)5(6)-EET ethanolamide is a potent and selective agonist of CB2 (Ki = 8.9 nM for CB2, 11.4 ?M for CB1), effectively suppressing forskolin-stimulated accumulation of cAMP through this Gi-coupled receptor (IC50 = 9.8 nM).{17321}