CBD preserved heart function in mice with heart failure by protecting mitochondria
Subcutaneous CBD treatment in mice with heart failure prevented cardiac deterioration by preserving mitochondrial function, calcium handling, and redox balance in heart cells.
Quick Facts
What This Study Found
In mice with heart failure, CBD treatment attenuated cardiac fibrosis, hypertrophy, and loss of ejection fraction. Isolated cardiomyocytes preserved cell shortening, calcium handling, mitochondrial function, and redox balance. Effects appeared mediated through PPARgamma receptors.
Key Numbers
CBD attenuated loss of ejection fraction, reduced cardiac fibrosis and hypertrophy. PPARgamma receptor pathway identified as the mechanism.
How They Did This
Animal study using a mouse heart failure model with subcutaneous CBD administration. Cardiac function assessed via ejection fraction. Cellular mechanisms examined in isolated cardiomyocytes and hypertrophied ventricular cardiomyoblasts in vitro.
Why This Research Matters
Heart failure is characterized by progressive energy depletion and cellular dysfunction. If CBD can preserve mitochondrial function and calcium handling, it could represent a novel cardioprotective strategy targeting underlying cellular mechanisms.
The Bigger Picture
This builds on earlier observations that cannabidiol has protective effects on mitochondria. By demonstrating a specific mechanism in heart failure, it provides a rational basis for clinical investigation.
What This Study Doesn't Tell Us
Animal model findings may not translate to human heart failure. Subcutaneous CBD has different pharmacokinetics than oral administration. Specific dosing details not available in the abstract.
Questions This Raises
- ?Would oral CBD achieve sufficient cardiac tissue concentrations to replicate these protective effects?
- ?Could CBD complement existing heart failure medications?
Trust & Context
- Key Stat:
- receptor pathway through which CBD preserved mitochondrial function and prevented heart failure progression in mice
- Evidence Grade:
- Well-designed animal study with mechanistic pathway identification, but animal-to-human translation remains uncertain.
- Study Age:
- 2025 publication.
- Original Title:
- Cannabidiol Prevents Heart Failure Dysfunction and Remodeling Through Preservation of Mitochondrial Function and Calcium Handling.
- Published In:
- JACC. Basic to translational science, 10(6), 800-821 (2025)
- Authors:
- García-Rivas, Gerardo, Lozano, Omar, Bernal-Ramírez, Judith, Silva-Platas, Christian, Salazar-Ramírez, Felipe, Méndez-Fernández, Abraham, Morales-Ochoa, Carolina, Alves-Figueiredo, Hugo, Ramos-González, Martín Rogelio, Rubio-Infante, Nestor, Vázquez-Garza, Eduardo, Luévano-Martínez, Luis A, López-Morán, Silvia, Chapoy-Villanueva, Héctor, Bolton, James, Velasco-Bolom, José-Luis, Mendoza-Espinosa, Paola, Contreras-Torres, Flavio F, Jerjes-Sánchez, Carlos, Torre-Amione, Guillermo
- Database ID:
- RTHC-06507
Evidence Hierarchy
Tests effects in animals (usually mice or rats), not humans.
What do these levels mean? →Frequently Asked Questions
How does CBD protect heart cells?
According to this study, CBD activates PPARgamma receptors, which helps maintain mitochondrial function and redox balance in heart cells, preserving their ability to handle calcium properly and contract normally.
Does this mean CBD can treat heart failure in humans?
Not yet. This is a preclinical animal study showing a promising mechanism. Human clinical trials would be needed.
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Cite This Study
https://rethinkthc.com/research/RTHC-06507APA
García-Rivas, Gerardo; Lozano, Omar; Bernal-Ramírez, Judith; Silva-Platas, Christian; Salazar-Ramírez, Felipe; Méndez-Fernández, Abraham; Morales-Ochoa, Carolina; Alves-Figueiredo, Hugo; Ramos-González, Martín Rogelio; Rubio-Infante, Nestor; Vázquez-Garza, Eduardo; Luévano-Martínez, Luis A; López-Morán, Silvia; Chapoy-Villanueva, Héctor; Bolton, James; Velasco-Bolom, José-Luis; Mendoza-Espinosa, Paola; Contreras-Torres, Flavio F; Jerjes-Sánchez, Carlos; Torre-Amione, Guillermo. (2025). Cannabidiol Prevents Heart Failure Dysfunction and Remodeling Through Preservation of Mitochondrial Function and Calcium Handling.. JACC. Basic to translational science, 10(6), 800-821. https://doi.org/10.1016/j.jacbts.2024.12.009
MLA
García-Rivas, Gerardo, et al. "Cannabidiol Prevents Heart Failure Dysfunction and Remodeling Through Preservation of Mitochondrial Function and Calcium Handling.." JACC. Basic to translational science, 2025. https://doi.org/10.1016/j.jacbts.2024.12.009
RethinkTHC
RethinkTHC Research Database. "Cannabidiol Prevents Heart Failure Dysfunction and Remodelin..." RTHC-06507. Retrieved from https://rethinkthc.com/research/garcia-rivas-2025-cannabidiol-prevents-heart-failure
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.