Amyloid-beta (Aβ) protein

From WikiMD's Health & Wellness Encyclopedia


A naturally occurring protein in brain cells. Large, abnormal clumps of thisprotein form the amyloid plaques that are the hallmark of Alzheimer’s disease. Smaller groupings (oligo-mers) of Aβ seem more toxic to brain cells and are now thought by many researchers to be importantinitiators of the Alzheimer’s disease process.

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