Role of the cannabinoid system in the transit of beta-amyloid across the blood–brain barrier

“Emerging evidence suggests beta-amyloid (Aβ) deposition in the Alzheimer’s disease (AD) brain is the result of impaired clearance, due in part to diminished Aβ transport across the blood–brain barrier (BBB). Recently, modulation of the cannabinoid system was shown to reduce Aβ brain levels and improve cognitive behavior in AD animal models…

 The purpose of the current studies was to investigate the role of the cannabinoid system in the clearance of Aβ across the BBB.

  The current studies demonstrate, for the first time, a role for the cannabinoid system in the transit of Aβ across the BBB.

These findings provide insight into the mechanism by which cannabinoid treatment reduces Aβ burden in the AD brain and offer additional evidence on the utility of this pathway as a treatment for AD.”

http://www.sciencedirect.com/science/article/pii/S104474311300064X

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