Article ; Online: The structural line between prion and "prion-like": Insights from prion protein and tau.
Current opinion in neurobiology
2024 Volume 86, Page(s) 102857
Abstract: The concept of 'prion-like' behavior has emerged in the study of diseases involving protein misfolding where fibrillar structures, called amyloids, self-propagate and induce disease in a fashion similar to prions. From a biological standpoint, in order ... ...
Abstract | The concept of 'prion-like' behavior has emerged in the study of diseases involving protein misfolding where fibrillar structures, called amyloids, self-propagate and induce disease in a fashion similar to prions. From a biological standpoint, in order to be considered 'prion-like,' a protein must traverse cells and tissues and further propagate via a templated conformational change. Since 2017, cryo-electron microscopy structures from patient-derived 'prion-like' amyloids, in particular tau, have been presented and revealed structural similarities shared across amyloids. Since 2021, cryo-EM structures from prions of known infectivity have been added to the ex vivo amyloid structure family. In this review, we discuss current proposals for the 'prion-like' mechanisms of spread for tau and prion protein as well as discuss different influencers on structures of aggregates from tauopathies and prion diseases. Lastly, we discuss some of the current hypotheses for what may distinguish structures that are 'prion-like' from transmissible prion structures. |
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Language | English |
Publishing date | 2024-03-14 |
Publishing country | England |
Document type | Journal Article ; Review |
ZDB-ID | 1078046-4 |
ISSN | 1873-6882 ; 0959-4388 |
ISSN (online) | 1873-6882 |
ISSN | 0959-4388 |
DOI | 10.1016/j.conb.2024.102857 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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