Amyloid-like fibrils labeled with magnetic nanoparticles
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Biomolecular Concepts
|December 2, 2014
Abstract:
A number of human diseases are associated with the formation of insoluble protein aggregates commonly known as amyloid fibrils or amyloid plaques. Similar materials can be prepared in vitro resulting in so-called amyloid-like fibrils. Herein is discussed how to prepare such fibrils labeled with magnetic nanoparticles. Such materials have the potential to be used as magnetic probes for magnetic resonance imaging applications.
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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,...
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