Cited by 139Amyloidosis: Diagnosis, Treatment, OutcomesPrion Diseases and Protein MisfoldingAlzheimer's disease research and treatments

A molecular mechanism for transthyretin amyloidogenesis

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Yee, Ai Woon, Aldeghi, Matteo, Blakeley, Matthew P., Ostermann, Andreas, Mas, Philippe J., Moulin, Martine, de Sanctis, Daniele, Bowler, Matthew W. +6 more·2019·Nature Communications

Abstract

Human transthyretin (TTR) is implicated in several fatal forms of amyloidosis. Many mutations of TTR have been identified; most of these are pathogenic, but some offer protective effects. The molecular basis underlying the vastly different fibrillation behaviours of these TTR mutants is poorly understood. Here, on the basis of neutron crystallography, native mass spectrometry and modelling studies, we propose a mechanism whereby TTR can form amyloid fibrils via a parallel equilibrium of partially unfolded species that proceeds in favour of the amyloidogenic forms of TTR. It is suggested that unfolding events within the TTR monomer originate at the C-D loop of the protein, and that destabilising mutations in this region enhance the rate of TTR fibrillation. Furthermore, it is proposed that the binding of small molecule drugs to TTR stabilises non-amyloidogenic states of TTR in a manner similar to that occurring for the protective mutants of the protein.

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Authors
Yee, A. W., Aldeghi, M., Blakeley, M. P., Ostermann, A., Mas, P. J., Moulin, M., de Sanctis, D., Bowler, M. W., Mueller-Dieckmann, C., Mitchell, E. P., Haertlein, M., de Groot, B. L., Boeri Erba, E., & Forsyth, V. T.
Affiliations
  • Institut Laue-Langevin (FR)
  • Max Planck Institute for Biophysical Chemistry (DE)
  • Heinz Maier-Leibnitz Zentrum (DE)
  • Centre National de la Recherche Scientifique (FR)
  • European Molecular Biology Laboratory (FR)
  • European Synchrotron Radiation Facility (FR)
Corresponding author
Forsyth, V. Trevor
Venue
Nature Communications
Published
2019-02-25
Volume
10
Issue
1
Pages
925-925
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2915131983
Cited by
139
References
84
Citations by year
2026: 11 · 2025: 12 · 2024: 27 · 2023: 23 · 2022: 18 · 2021: 20 · 2020: 21 · 2019: 7
FWCI
5.46
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Keele Research Repository (Keele University) (submittedVersion, cc-by)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
  • HAL (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • iMPULSE (Heinz Maier-Leibnitz Zentrum) (submittedVersion)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion, other-oa)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
Funders
  • Alexander von Humboldt-Stiftung
  • Agence Nationale de la Recherche (ANR- 10-INSB-05, ANR-10-INSB-05-02, 10-INSB-05-02, ANR-10, ANR-10-LABX, ANR-10-LABX-49-01, ANR-10-INBS-0005, ANR-10-LABX-0049)
  • Centre National de la Recherche Scientifique (ANR-10-LABX-49-01)
  • Keele University
  • French Infrastructure for Integrated Structural Biology (ANR-10-INSB- 05–02, UMS 3518, ANR-10- INSB-05, INSB-05, ANR-10-LABX-49-01)
  • Engineering and Physical Sciences Research Council (GR/R99393/01, EP/C015452/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Amyloidosis: Diagnosis, Treatment, Outcomes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Prion Diseases and Protein Misfolding
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
prealbumin, amyloidogenesis, amyloid fibril formation, TTR mutations, protein unfolding, partially unfolded state, amyloidosis, protein stability
MeSH terms
Amyloidosis, Humans, Kinetics, Models, Molecular, Mutation, Prealbumin, Protein Conformation, Protein Folding, Protein Unfolding

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