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Permeabilization of Lipid Bilayers Is a Common Conformation-dependent Activity of Soluble Amyloid Oligomers in Protein Misfolding Diseases
Open accessAbstract
Amyloid fibrillization is multistep process involving soluble oligomeric intermediates, including spherical oligomers and protofibrils. Amyloid oligomers have a common, generic structure, and they are intrinsically toxic to cells, even when formed from non-disease related proteins, which implies they also share a common mechanism of pathogenesis and toxicity. Here we report that soluble oligomers from several types of amyloids specifically increase lipid bilayer conductance regardless of the sequence, while fibrils and soluble low molecular weight species have no effect. The increase in membrane conductance occurs without any evidence of discrete channel or pore formation or ion selectivity. The conductance is dependent on the concentration of oligomers and can be reversed by anti-oligomer antibody. These results indicate that soluble oligomers from many types of amyloidogenic proteins and peptides increase membrane conductance in a conformation-specific fashion and suggest that this may represent the common primary mechanism of pathogenesis in amyloid-related degenerative diseases.
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Cites
Common structure of soluble amyloid oligomers implies common mechanism of pathogenesis
Kayed, R., Head, E., Thompson, J. L., McIntire, T. M., Milton, S. C., Cotman, C. W., & Glabe, C. G. (2003) · Science · doi:10.1126/science.1079469 · Cited by 4,064
Diffusible, nonfibrillar ligands derived from Aβ 1–42 are potent central nervous system neurotoxins
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Inherent toxicity of aggregates implies a common mechanism for protein misfolding diseases
Bucciantini, M., Giannoni, E., Chiti, F., Baroni, F., Formigli, L., Zurdo, J., Taddei, N., Ramponi, G., Dobson, C. M., & Stefani, M. (2002) · Nature · doi:10.1038/416507a · Cited by 2,434
Assembly and aggregation properties of synthetic Alzheimer's A4/beta amyloid peptide analogs.
Burdick, D., Soreghan, B., Kwon, M., Kosmoski, J., Knauer, M., Henschen, A., Yates, J., Cotman, C., & Glabe, C. (1992) · Journal of Biological Chemistry · doi:10.1016/s0021-9258(18)48529-8 · Cited by 1,014
Self-citation
Cited by
Protein Misfolding, Amyloid Formation, and Human Disease: A Summary of Progress Over the Last Decade
Chiti, F., & Dobson, C. M. (2017) · Annual Review of Biochemistry · doi:10.1146/annurev-biochem-061516-045115 · Cited by 2,629
Alzheimer's Disease and the Amyloid-β Peptide
Murphy, M. P., & LeVine, H. (2010) · Journal of Alzheimer's Disease · doi:10.3233/jad-2010-1221 · Cited by 1,750
Propagation of Tau Misfolding from the Outside to the Inside of a Cell
Frost, B., Jacks, R. L., & Diamond, M. I. (2009) · Journal of Biological Chemistry · doi:10.1074/jbc.m808759200 · Cited by 1,252
The most infectious prion protein particles
Silveira, J. R., Raymond, G. J., Hughson, A. G., Race, R. E., Sim, V. L., Hayes, S. F., & Caughey, B. (2005) · Nature · doi:10.1038/nature03989 · Cited by 899
Microglia constitute a barrier that prevents neurotoxic protofibrillar Aβ42 hotspots around plaques
Condello, C., Yuan, P., Schain, A., & Grutzendler, J. (2015) · Nature Communications · doi:10.1038/ncomms7176 · Cited by 718
Metadata
- Authors
- Kayed, R., Sokolov, Y., Edmonds, B., McIntire, T. M., Milton, S. C., Hall, J. E., & Glabe, C. G.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 2004-11
- Volume
- 279
- Issue
- 45
- Pages
- 46363-46366
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2100817247
- Cited by
- 902
- References
- 4
- FWCI
- 23.74
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- CoChat. (2026). Citation check: Permeabilization of Lipid Bilayers Is a Common Conformation-dependent Activity of Soluble Amyloid Oligomers in Protein Misfolding Diseases. https://app.cochat.ai/papers/10.1074/jbc.c400260200
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- Kayed, R., Sokolov, Y., Edmonds, B., McIntire, T. M., Milton, S. C., Hall, J. E., & Glabe, C. G. (2004). Permeabilization of Lipid Bilayers Is a Common Conformation-dependent Activity of Soluble Amyloid Oligomers in Protein Misfolding Diseases. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.c400260200
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
