Like a prion, Alzheimer's protein seeds itself in the brain | Science News

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Like a prion, Alzheimer's protein seeds itself in the brain

Misshapen amyloid-beta self-propagates in mice

By
10:49am, June 19, 2012

The Alzheimer’s-related protein amyloid-beta is an infectious instigator in the brain, gradually contorting its harmless brethren into dangerous versions, new evidence suggests. The study adds to the argument that A-beta is a prion, a misfolded protein that behaves like the contagious culprits behind Creutzfeldt-Jakob disease in people, scrapie in sheep and mad cow disease.

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