Cannabidiol protects against doxorubicin-induced cardiomyopathy by modulating mitochondrial function and biogenesis.

“Doxorubicin (DOX) is a widely used, potent chemotherapeutic agent; however, its clinical application is limited because of its dose-dependent cardiotoxicity. DOX’s cardiotoxicity involves increased oxidative/nitrative stress, impaired mitochondrial function in cardiomyocytes/endothelial cells, and cell death.

Cannabidiol is a non-psychotropic constituent of marijuana, which is well-tolerated in humans, with antioxidant, anti-inflammatory, and recently discovered antitumor properties.

We aimed to explore the effects of cannabidiol in a well-established mouse model of DOX-induced cardiomyopathy…

Treatment with cannabidiol markedly improved DOX-induced cardiac dysfunction, oxidative/nitrative stress and cell death. Cannabidiol also enhanced the DOX-induced impaired cardiac mitochondrial function and biogenesis.

These data suggest that cannabidiol may represent a novel cardioprotective strategy against DOX-induced cardiotoxicity, and the above described effects on mitochondrial function and biogenesis may contribute to its beneficial properties described in numerous other models of tissue injury.”

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