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Updated: Aug 15, 2026

Screening for Amyloid Aggregation by Semi-Denaturing Detergent-Agarose Gel Electrophoresis
Published on: July 16, 2008
Copper brain homeostasis: role of amyloid precursor protein and prion protein
Nibaldo C Inestrosa1, Waldo Cerpa, Lorena Varela-Nallar
1Centro de Regulacion Celular y Patología Joaquin V. Luco (CRCP), MIFAB, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile. ninestr@bio.puc.cl
Abstract:
The main proteins associated with Alzheimer's and prion diseases (amyloid precursor protein (APP) and prion protein (PrP(C)), respectively, have binding sites for copper and it has therefore been suggested that they play a role in copper metabolism. Here, we review evidence indicating that the copper binding domains (CuBD) of APP and PrP(C) are able to modulate the oxidation state of copper, and prevent neurotoxic effects and memory impairments induced by copper. Results with transgenic and other animal models have established the relation between these pathogenic proteins and copper. In particular, APP transgenic models, suggest a beneficial effect for copper in AD.
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