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Abstract
The most bioactive ingredient of cannabis (Cannabis sativa or indica) extracts, Δ9-tetrahydrocannabinol (THC), was identified in the 1960s as one of more than 110 phytocannabinoids. It activates receptors of chemically different endogenous ligands (endocannabinoids) that, unlike THC, are metabolized by several enzymes of the endocannabinoid system. Here, the complexity of the plant-derived and endogenous cannabinoids (eCBs) is discussed, to better appreciate the challenge of: (i) dissecting their mutual interactions; (ii) understanding their impact on human pathophysiology; and (iii) exploiting them for human disease. To this aim, missing pieces to the eCB puzzle must be urgently found, by solving the 3D structures of key components, and interrogating noncanonical modes of regulation and trafficking of these lipid signals.
Copyright © 2019 Elsevier Ltd. All rights reserved.
KEYWORDS: 3D structures, cannabinoids, endocannabinoids, membrane lipids, signal transduction, trafficking
- PMID: 31822395
- DOI: 10.1016/j.molmed.2019.11.002
