The missing link in the amyloid cascade of Alzheimer's disease - metal ions.

Department of Gene Technology, Tallinn University of Technology, Akadeemia tee 15, Tallinn 12618, Estonia. ann.tiiman@ttu.ee

Neurochemistry international 2013 Mar

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Progressive deposition of amyloid beta (Aβ) peptides into amyloid plaques is the pathological hallmark of Alzheimer's disease (AD). The amyloid cascade hypothesis pins this deposition as the primary cause of the disease, but the mechanisms that causes this deposition remain elusive. An increasing amount of evidence shows that biometals Zn(II) and Cu(II) can interact with Aβ, thus influencing the fibrillization and toxicity. This review focuses on the role of Zn(II) and Cu(II) in AD, and revisits the amyloid cascade hypothesis demonstrating the possible roles of Zn(II) and Cu(II) in the disease pathogenesis. Copyright © 2013 Elsevier Ltd. All rights reserved.

Citation

Ann Tiiman, Peep Palumaa, Vello Tõugu. The missing link in the amyloid cascade of Alzheimer's disease - metal ions. Neurochemistry international. 2013 Mar;62(4):367-78