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Alzheimer's Gene Causes Brain's Blood Vessels to Leak Toxins and Die, University of Rochester Study  
5/17/2012 7:42:42 AM

A well-known genetic risk factor for Alzheimer's disease triggers a cascade of signaling that ultimately results in leaky blood vessels in the brain, allowing toxic substances to pour into brain tissue in large amounts, scientists report May 16 in the journal Nature.
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