Prion-like mechanisms in neurodegenerative diseases
- 23 December 2009
- journal article
- review article
- Published by Springer Science and Business Media LLC in Nature Reviews Neuroscience
- Vol. 11 (3), 155-159
- https://doi.org/10.1038/nrn2786
Abstract
A series of recent studies have revealed similarities in the characteristics of non-infectious neurodegenerative diseases and prionopathies. Frost and Diamond consider what these findings may tell us about disease pathogenesis and treatment strategies. Many non-infectious neurodegenerative diseases are associated with the accumulation of fibrillar proteins. These diseases all exhibit features that are reminiscent of those of prionopathies, including phenotypic diversity and the propagation of pathology. Furthermore, emerging studies of amyloid-β, α-synuclein and tau — proteins implicated in common neurodegenerative diseases — suggest that they share key biophysical and biochemical characteristics with prions. Propagation of protein misfolding in these diseases may therefore occur through mechanisms similar to those that underlie prion pathogenesis. If this hypothesis is verified in vivo, it will suggest new therapeutic strategies to block propagation of protein misfolding throughout the brain.Keywords
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