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Effect of Metals on Kinetic Pathways of Amyloid-? Aggregation #MMPMID24970207
Hane F; Leonenko Z
Biomolecules 2014[Mar]; 4 (1): 101-16 PMID24970207show ga
Metal ions, including copper and zinc, have been implicated in the pathogenesis of Alzheimer?s disease through a variety of mechanisms including increased amyloid-? affinity and redox effects. Recent reports have demonstrated that the amyloid-? monomer does not necessarily travel through a definitive intermediary en-route to a stable amyloid fibril structure. Rather, amyloid-? misfolding may follow a variety of pathways resulting in a fibrillar end-product or a variety of oligomeric end-products with a diversity of structures and sizes. The presence of metal ions has been demonstrated to alter the kinetic pathway of the amyloid-? peptide which may lead to more toxic oligomeric end-products. In this work, we review the contemporary literature supporting the hypothesis that metal ions alter the reaction pathway of amyloid-? misfolding leading to more neurotoxic species.