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Article Publish Status: FREE
Abstract Title:

Cannabidiol attenuates seizures and EEG abnormalities in Angelman syndrome model mice.

Abstract Source:

J Clin Invest. 2019 Sep 10. Epub 2019 Sep 10. PMID: 31503547

Abstract Author(s):

Bin Gu, Manhua Zhu, Madison R Glass, Marie Rougié, Viktoriya D Nikolova, Sheryl S Moy, Paul R Carney, Benjamin D Philpot

Article Affiliation:

Bin Gu

Abstract:

Angelman syndrome (AS) is a neurodevelopmental disorder characterized by intellectual disability, lack of speech, ataxia, EEG abnormalities, and epilepsy. Seizures in AS individuals are common, debilitating, and often drug-resistant. Therefore, there is an unmet need for better treatment options. Cannabidiol (CBD), a major phytocannabinoid constituent of cannabis, has antiseizure activity and behavioral benefits in preclinical and clinical studies for some disorders associated with epilepsy, suggesting that the same could be true for AS. Here we show that acute CBD (100 mg/kg) attenuated hyperthermia- and acoustically-induced seizures in a mouse model of AS. However, neither acute CBD nor a two-weeklong course of CBD administered immediately after a kindling protocol could halt the pro-epileptogenic plasticity observed in AS model mice. CBD had a dose-dependent sedative effect, but did not have an impact on motor performance. CBD abrogated the enhanced intracortical local field potential power, including delta and theta rhythms observed in AS model mice, indicating that CBD administration could also help normalize the EEG deficits observed in individuals with AS. Our results provide critical preclinical evidence supporting CBD treatment of seizures and alleviation of EEG abnormalities in AS, and will thus help guide the rational development of CBD as an AS treatment.

Study Type : Animal Study

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