Skip to main content
Top
Published in: Acta Neuropathologica 4/2019

01-10-2019 | Creutzfeldt-Jakob Disease | Commentary Letter

Alpha-synuclein: prion or prion-like?

Authors: Rehana K. Leak, Matthew P. Frosch, Thomas G. Beach, Glenda M. Halliday

Published in: Acta Neuropathologica | Issue 4/2019

Login to get access

Excerpt

Alpha-synuclein is a natively unfolded or intrinsically disordered protein, but it can also assume amphipathic alpha-helical shapes in the presence of negatively charged lipids. In Lewy body disorders, alpha-synuclein monomers aggregate into oligomers, protofibrils, and fibrils, forming part of the hallmark amyloid inclusions known as Lewy bodies and Lewy neurites. Proteins exist in biological settings in multiple conformations, often with varied biological functions, and the transitions between conformations include structures that seed the nucleated growth of aggregates [10]. After the kinetic barrier to aggregation of natively monomeric proteins is (rarely) overcome, the global free-energy minimum favors the precipitation of hydrophobically packed protein masses [15]. Once this low-energy state is acquired, it may not be energetically feasible to proteolyze and resolve the protein mass, and therefore, “the aggregate state always wins,” in the words of Guest et al. [15]. …
Literature
4.
go back to reference Braak H, Del Tredici K, Bratzke H, Hamm-Clement J, Sandmann-Keil D, Rub U (2002) Staging of the intracerebral inclusion body pathology associated with idiopathic Parkinson’s disease (preclinical and clinical stages). J Neurol 249(Suppl 3):1–5CrossRef Braak H, Del Tredici K, Bratzke H, Hamm-Clement J, Sandmann-Keil D, Rub U (2002) Staging of the intracerebral inclusion body pathology associated with idiopathic Parkinson’s disease (preclinical and clinical stages). J Neurol 249(Suppl 3):1–5CrossRef
5.
go back to reference Braak H, Del Tredici K, Rub U, de Vos RA, Jansen Steur EN, Braak E (2003) Staging of brain pathology related to sporadic Parkinson’s disease. Neurobiol Aging 24:197–211CrossRefPubMed Braak H, Del Tredici K, Rub U, de Vos RA, Jansen Steur EN, Braak E (2003) Staging of brain pathology related to sporadic Parkinson’s disease. Neurobiol Aging 24:197–211CrossRefPubMed
6.
go back to reference Braak H, Rub U, Gai WP, Del Tredici K (2003) Idiopathic Parkinson’s disease: possible routes by which vulnerable neuronal types may be subject to neuroinvasion by an unknown pathogen. J Neural Transm 110:517–536CrossRefPubMed Braak H, Rub U, Gai WP, Del Tredici K (2003) Idiopathic Parkinson’s disease: possible routes by which vulnerable neuronal types may be subject to neuroinvasion by an unknown pathogen. J Neural Transm 110:517–536CrossRefPubMed
11.
go back to reference Del Tredici K, Rub U, De Vos RA, Bohl JR, Braak H (2002) Where does parkinson disease pathology begin in the brain? J Neuropathol Exp Neurol 61:413–426CrossRefPubMed Del Tredici K, Rub U, De Vos RA, Bohl JR, Braak H (2002) Where does parkinson disease pathology begin in the brain? J Neuropathol Exp Neurol 61:413–426CrossRefPubMed
13.
go back to reference Fredricks DN, Relman DA (1996) Sequence-based identification of microbial pathogens: a reconsideration of Koch’s postulates. Clin Microbiol Rev 9:18–33CrossRefPubMed Fredricks DN, Relman DA (1996) Sequence-based identification of microbial pathogens: a reconsideration of Koch’s postulates. Clin Microbiol Rev 9:18–33CrossRefPubMed
23.
go back to reference Koch R, Pinner M, Pinner BR, National tuberculosis association (1932) The aetiology of tuberculosis. National tuberculosis association, Smyrna Koch R, Pinner M, Pinner BR, National tuberculosis association (1932) The aetiology of tuberculosis. National tuberculosis association, Smyrna
28.
37.
go back to reference Parkkinen L, Pirttila T, Tervahauta M, Alafuzoff I (2005) Widespread and abundant alpha-synuclein pathology in a neurologically unimpaired subject. Neuropathology 25:304–314CrossRefPubMed Parkkinen L, Pirttila T, Tervahauta M, Alafuzoff I (2005) Widespread and abundant alpha-synuclein pathology in a neurologically unimpaired subject. Neuropathology 25:304–314CrossRefPubMed
Metadata
Title
Alpha-synuclein: prion or prion-like?
Authors
Rehana K. Leak
Matthew P. Frosch
Thomas G. Beach
Glenda M. Halliday
Publication date
01-10-2019
Publisher
Springer Berlin Heidelberg
Published in
Acta Neuropathologica / Issue 4/2019
Print ISSN: 0001-6322
Electronic ISSN: 1432-0533
DOI
https://doi.org/10.1007/s00401-019-02057-1

Other articles of this Issue 4/2019

Acta Neuropathologica 4/2019 Go to the issue