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Role of Metal Ions in the Aβ Oligomerization in Alzheimers Disease and in Other Neurological Disorders

[ Vol. 5 , Issue. 6 ]

Author(s):

D. Drago, S. Bolognin and P. Zatta   Pages 500 - 507 ( 8 )

Abstract:


Neurodegeneration is a complex and multifaceted process leading to many chronic diseased states. Neurodegenerative disorders include a number of different pathological conditions, like Alzheimers and Parkinsons diseases, which share similar critical metabolic processes, such as protein aggregation, which could be affected by some metal ions. A huge number of reports indicate that, among putative aggravating factors, metal ions (Al, Zn, Cu, Fe) could specifically impair protein aggregation of Aβ, prion protein, ataxin, huntingtin, etc. and their oligomeric toxicity. While studying the molecular basis of these diseases, it has become clear that protein conformation plays a critical role in the pathogenic process. In this review, we will focus on Alzheimers disease and on the role of metal ions, specifically aluminium, in affecting amyloid aggregation, oligomerization and toxicity.

Keywords:

Alzheimer's disease, amyloid, aggregation, oligomers, metal ions

Affiliation:

CNR-Institute for Biomedical Technologies, Unit, “Metalloprotein”, Department of Biology, University of Padua, V.le G. Colombo, 3, 35121 Padua, Italy.



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