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Zn induced structural aggregation patterns of β-amyloid peptides by first-principle simulations and XAS measurements

Paolo Giannozzi1, Karl Jansen, Giovanni La Penna

  • 1University of Udine, Department of Chemistry, Physics and Environment, via del Cotonificio 108, 33100 Udine, Italy.

Metallomics : Integrated Biometal Science
|December 16, 2011
PubMed

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Amyloid Fibrils

Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
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Amyloid Fibrils03:03

Amyloid Fibrils

Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils. 
Amyloid deposits were observed as early as 1639 in the liver and the spleen.   In 1854, Rudolph Virchow performed iodine staining, normally used to...