Cannabidiol inhibits sucrose self-administration by CB1 and CB2 receptor mechanisms in rodents.

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“A growing number of studies suggest therapeutic applications of cannabidiol (CBD), a recently U.S. Food and Drug Administration (FDA)-approved medication for epilepsy, in treatment of many other neuropsychological disorders. However, pharmacological action and the mechanisms by which CBD exerts its effects are not fully understood.

Here, we examined the effects of CBD on oral sucrose self-administration in rodents and explored the receptor mechanisms underlying CBD-induced behavioral effects using pharmacological and transgenic approaches.

Systemic administration of CBD produced a dose-dependent reduction in sucrose self-administration in rats and in wild-type (WT) and CB1-/- mice but not in CB2-/- mice. CBD appeared to be more efficacious in CB1-/- mice than in WT mice.

Similarly, pretreatment with AM251, a CB1R antagonist, potentiated, while AM630, a selective CB2R antagonist, blocked CBD-induced reduction in sucrose self-administration, suggesting the involvement of CB1 and CB2 receptors.

Taken together, the present findings suggest that CBD may have therapeutic potential in reducing binge eating and the development of obesity.”

https://www.ncbi.nlm.nih.gov/pubmed/31215752

https://onlinelibrary.wiley.com/doi/abs/10.1111/adb.12783

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