Atlas One · Host Biology · Scale 03 — Molecular

Endocannabinoid System

Retrograde lipid signaling system: 2-AG and AEA activate CB1R (Gi, presynaptic) to suppress neurotransmitter release on demand. Regulates synaptic plasticity, appetite, pain, anxiety, and stress. THC mimics AEA; rimonabant (CB1R antagonist) caused psychiatric adverse events.

Also known as: endocannabinoid, endocannabinoid system, ECS, CB1R, CB2R, 2-AG, anandamide, AEA, FAAH, MAGL, cannabinoid receptor, THC, retrograde signaling

Scale 03 — MolecularScale
draftStatus
2026-06-08Last Reviewed
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endocannabinoid

Endocannabinoid System

Retrograde lipid signaling system: 2-AG and AEA activate CB1R (Gi, presynaptic) to suppress neurotransmitter release on demand. Regulates synaptic plasticity, appetite, pain, anxiety, and stress. THC mimics AEA; rimonabant (CB1R antagonist) caused psychiatric adverse events.