http://www.sciencedirect.com/science/article/pii/S0278584616302524
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This study investigated the effects of cannabidiol (CBD), a non-psychotomimetic phytochemical present in Cannabis sativa,
on the cognitive and emotional impairments induced by bilateral common
carotid artery occlusion (BCCAO) in mice. Using a multi-tiered
behavioral testing battery during 21 days, we found that BCCAO mice
exhibited long-lasting functional deficits reflected by increase in
anxiety-like behavior (day 9), memory impairments (days 12–18) and
despair-like behavior (day 21). Short-term CBD 10 mg/kg treatment
prevented the cognitive and emotional impairments, attenuated
hippocampal neurodegeneration and white matter (WM) injury, and reduced
glial response that were induced by BCCAO. In addition, ischemic mice
treated with CBD exhibited an increase in the hippocampal brain derived
neurotrophic factor (BDNF) protein levels. CBD also stimulated
neurogenesis and promoted dendritic restructuring in the hippocampus of
BCCAO animals. Collectively, the present results demonstrate that
short-term CBD treatment results in global functional recovery in
ischemic mice and impacts multiple and distinct targets involved in the
pathophysiology of brain ischemic injury.
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