Cannabis extracts blocked multiple steps of atherosclerosis development in lab cells
Three cannabis extracts with different THC/CBD ratios all inhibited LDL oxidation, foam cell formation, and inflammatory pathway activation through non-traditional cannabinoid receptors.
Quick Facts
What This Study Found
Three extracts (high, intermediate, low THC/CBD) all inhibited LDL oxidation and foam cell formation (ED50 5-12 ug/mL). Effects independent of CB1/CB2, operating through TRPV1, TRPV4, GPR55 and calcium signaling. Decreased CD36 and OLR1 via NFkB inhibition.
Key Numbers
Three extracts tested. All inhibited LDL oxidation and foam cell formation. ED50: 5-12 ug/mL. Via TRPV1, TRPV4, GPR55, not CB1/CB2. NFkB pathway inhibition.
How They Did This
In vitro study testing three cannabis extracts against LDL oxidation, foam cell formation by J774 macrophages, and inflammatory signaling using receptor antagonists.
Why This Research Matters
Atherosclerosis is the leading cause of death. These findings identify phytocannabinoids as multi-target plaque formation inhibitors working through non-traditional pathways.
The Bigger Picture
Most cannabinoid research focuses on CB1/CB2 receptors. This reveals cardiovascular mechanisms through entirely different pathways.
What This Study Doesn't Tell Us
Entirely in vitro. Effective concentrations may not be achievable in vivo. Cannot predict human atherosclerosis outcomes.
Questions This Raises
- ?Would oral cannabis achieve sufficient vascular concentrations?
- ?Could targeted formulations provide cardiovascular protection without psychoactive effects?
Trust & Context
- Key Stat:
- cannabis extracts inhibited LDL oxidation, foam cell formation, and NFkB inflammation through TRPV and GPR55 receptors
- Evidence Grade:
- Mechanistically rigorous in vitro study but entirely cell-based with no in vivo data.
- Study Age:
- 2024 publication.
- Original Title:
- Cannabis sativa extracts inhibit LDL oxidation and the formation of foam cells in vitro, acting as potential multi-step inhibitors of atherosclerosis development.
- Published In:
- PloS one, 19(12), e0310777 (2024)
- Authors:
- Musetti, Bruno, Kun, Alejandra, Menchaca, David, Rodríguez-Haralambides, Alejandra, Varela, Javier, Thomson, Leonor, Bahnson, Edward M
- Database ID:
- RTHC-05579
Evidence Hierarchy
Tests effects in animals (usually mice or rats), not humans.
What do these levels mean? →Frequently Asked Questions
Can cannabis prevent heart disease?
This lab study found cannabis blocked plaque formation steps in cells. However, these are test-tube results. Some epidemiological studies actually link cannabis use to cardiovascular risks.
Why did all three extracts work?
The effects operated through non-canonical receptors, making the specific THC/CBD ratio less important for this effect.
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Cite This Study
https://rethinkthc.com/research/RTHC-05579APA
Musetti, Bruno; Kun, Alejandra; Menchaca, David; Rodríguez-Haralambides, Alejandra; Varela, Javier; Thomson, Leonor; Bahnson, Edward M. (2024). Cannabis sativa extracts inhibit LDL oxidation and the formation of foam cells in vitro, acting as potential multi-step inhibitors of atherosclerosis development.. PloS one, 19(12), e0310777. https://doi.org/10.1371/journal.pone.0310777
MLA
Musetti, Bruno, et al. "Cannabis sativa extracts inhibit LDL oxidation and the formation of foam cells in vitro, acting as potential multi-step inhibitors of atherosclerosis development.." PloS one, 2024. https://doi.org/10.1371/journal.pone.0310777
RethinkTHC
RethinkTHC Research Database. "Cannabis sativa extracts inhibit LDL oxidation and the forma..." RTHC-05579. Retrieved from https://rethinkthc.com/research/musetti-2024-cannabis-sativa-extracts-inhibit
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.