Rare cannabinoids altered the endocannabinoid system in skin cells
Four lesser-known cannabinoids (CBG, CBC, THCV, CBGA) each modulated the endocannabinoid system differently in human skin cells, but all increased cannabinoid receptor binding and TRPV1 channel activity.
Quick Facts
What This Study Found
CBG, CBC, THCV, and CBGA each produced distinct patterns of gene and protein expression changes in ECS components of human keratinocytes. Despite their differences, all four increased CB1/CB2 receptor binding, TRPV1 channel stimulation, and FAAH/MAGL enzyme activity.
Key Numbers
Four rare cannabinoids tested: CBG, CBC, THCV, and CBGA. All four increased CB1/CB2 binding, TRPV1 stimulation, and FAAH/MAGL activity in keratinocytes.
How They Did This
In vitro study using human keratinocytes (HaCaT cells). Measured gene expression (qRT-PCR), protein expression (Western blot), receptor binding (radioligand assays), enzyme activity, and endocannabinoid content (UHPLC-MS/MS) for each cannabinoid.
Why This Research Matters
Most cannabis research focuses on THC and CBD. Understanding how rare cannabinoids affect the endocannabinoid system in skin cells could inform topical cannabis therapies for skin conditions.
The Bigger Picture
These findings suggest that different cannabinoids in cannabis extracts may have synergistic or competing effects on the skin's endocannabinoid system, which matters for developing targeted dermatological treatments.
What This Study Doesn't Tell Us
In vitro study using a single cell line. Skin in living organisms has multiple cell types and immune interactions not captured here. Concentrations tested may not reflect topical application levels.
Questions This Raises
- ?Could rare cannabinoid combinations be optimized for specific skin conditions?
- ?Do these effects occur at concentrations achievable through topical application?
Trust & Context
- Key Stat:
- All 4 rare cannabinoids increased CB1/CB2 binding and TRPV1 activity
- Evidence Grade:
- Comprehensive in vitro study with multiple measurement techniques, but limited to one cell type and no in vivo confirmation.
- Study Age:
- Published in 2022.
- Original Title:
- Effects of Rare Phytocannabinoids on the Endocannabinoid System of Human Keratinocytes.
- Published In:
- International journal of molecular sciences, 23(10) (2022)
- Authors:
- Di Meo, Camilla(4), Tortolani, Daniel(2), Standoli, Sara(2), Angelucci, Clotilde Beatrice, Fanti, Federico, Leuti, Alessandro, Sergi, Manuel, Kadhim, Salam, Hsu, Eric, Rapino, Cinzia, Maccarrone, Mauro
- Database ID:
- RTHC-03805
Evidence Hierarchy
Tests effects in animals (usually mice or rats), not humans.
What do these levels mean? →Frequently Asked Questions
What are "rare" cannabinoids?
Rare or minor cannabinoids are less abundant compounds in cannabis besides THC and CBD. This study tested CBG (cannabigerol), CBC (cannabichromene), THCV (tetrahydrocannabivarin), and CBGA (cannabigerolic acid).
Why study cannabinoids in skin cells?
The skin has its own endocannabinoid system involved in cell growth, inflammation, and sensation. Understanding how cannabinoids affect this system could lead to new treatments for skin diseases.
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Cite This Study
https://rethinkthc.com/research/RTHC-03805APA
Di Meo, Camilla; Tortolani, Daniel; Standoli, Sara; Angelucci, Clotilde Beatrice; Fanti, Federico; Leuti, Alessandro; Sergi, Manuel; Kadhim, Salam; Hsu, Eric; Rapino, Cinzia; Maccarrone, Mauro. (2022). Effects of Rare Phytocannabinoids on the Endocannabinoid System of Human Keratinocytes.. International journal of molecular sciences, 23(10). https://doi.org/10.3390/ijms23105430
MLA
Di Meo, Camilla, et al. "Effects of Rare Phytocannabinoids on the Endocannabinoid System of Human Keratinocytes.." International journal of molecular sciences, 2022. https://doi.org/10.3390/ijms23105430
RethinkTHC
RethinkTHC Research Database. "Effects of Rare Phytocannabinoids on the Endocannabinoid Sys..." RTHC-03805. Retrieved from https://rethinkthc.com/research/di-2022-effects-of-rare-phytocannabinoids
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.