Endocannabinoid Ligands & Metabolism
AEA Profile
• Partial CB1/CB2 agonist
• NAPE-PLD synthesis
• Cleared by FAAH enzyme
• Low basal brain levels
2-AG Profile
• Full CB1/CB2 agonist
• DAGL-mediated synthesis
• Cleared by MAGL enzyme
• High basal brain levels
Retrograde Signaling
• On-demand Ca2+ synthesis
• Retrograde CB1 binding
• Suppresses NT release
Therapeutic Modulation
• FAAH blockade boosts AEA
• MAGL blockers boost 2-AG
• Minimises CB1 tolerance