The DOI matches its Crossref record; 63 of the 63 references it cites were found in a registry or an index.
Mechanism of amyloid plaque formation suggests an intracellular basis of Aβ pathogenicity
Open accessAbstract
The formation of extracellular amyloid plaques is a common patho-biochemical event underlying several debilitating human conditions, including Alzheimer’s disease (AD). Considerable evidence implies that AD damage arises primarily from small oligomeric amyloid forms of Aβ peptide, but the precise mechanism of pathogenicity remains to be established. Using a cell culture system that reproducibly leads to the formation of Alzheimer’s Aβ amyloid plaques, we show here that the formation of a single amyloid plaque represents a template-dependent process that critically involves the presence of endocytosis- or phagocytosis-competent cells. Internalized Aβ peptide becomes sorted to multivesicular bodies where fibrils grow out, thus penetrating the vesicular membrane. Upon plaque formation, cells undergo cell death and intracellular amyloid structures become released into the extracellular space. These data imply a mechanism where the pathogenic activity of Aβ is attributed, at least in part, to intracellular aggregates.
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“Although amyloid beta plaques are extracellular, mounting evidence suggests that aggregation also begins within neurons, where uptake and subsequent degradation within lysosomes has been dysregulated leading to intraneuronal accumulation leading to aggregation [14–20].”
From The Sigma-2 Receptor/TMEM97, PGRMC1, and LDL Receptor Complex Are Responsible for the Cellular Uptake of Aβ42 and Its Protein Aggregates (2020) · cites this paper as [18]
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“Endosomal Aβ42 labeling by immuno-EM has since been confirmed by other groups [49, 95, 143].”
From Intraneuronal β-amyloid accumulation and synapse pathology in Alzheimer’s disease (2010) · cites this paper as [49]
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Citations
Cites
Protein Misfolding, Functional Amyloid, and Human Disease
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Soluble protein oligomers in neurodegeneration: lessons from the Alzheimer's amyloid β-peptide
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Oakley, H., Cole, S. L., Logan, S., Maus, E., Shao, P., Craft, J., Guillozet-Bongaarts, A., Ohno, M., Disterhoft, J., Van Eldik, L., et al. (2006) · The Journal of Neuroscience · doi:10.1523/jneurosci.1202-06.2006 · Cited by 3,530
Atomic structures of amyloid cross-β spines reveal varied steric zippers
Sawaya, M. R., Sambashivan, S., Nelson, R. A., Ivanova, M. I., Sievers, S. A., Apostol, M. I., Thompson, M. J., Balbirnie, M., Wiltzius, J. J. W., McFarlane, H. T., et al. (2007) · Nature · doi:10.1038/nature05695 · Cited by 2,279
3D structure of Alzheimer's amyloid-β(1–42) fibrils
Lührs, T., Ritter, C., Adrian, M., Riek-Loher, D., Bohrmann, B., Döbeli, H., Schubert, D. A., & Riek, R. (2005) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0506723102 · Cited by 2,001
Neuronal loss correlates with but exceeds neurofibrillary tangles in Alzheimer's disease
Gómez‐Isla, T., Hollister, R., West, H., Mui, S., Growdon, J. H., Petersen, R. C., Parisi, J. E., & Hyman, B. T. (1997) · Annals of Neurology · doi:10.1002/ana.410410106 · Cited by 1,489
EGCG redirects amyloidogenic polypeptides into unstructured, off-pathway oligomers
Ehrnhoefer, D. E., Bieschke, J., Boeddrich, A., Herbst, M., Masino, L., Lurz, R., Engemann, S., Pastore, A., & Wanker, E. E. (2008) · Nature Structural & Molecular Biology · doi:10.1038/nsmb.1437 · Cited by 1,462
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Kumar, V., Kakoty, V., & Wadhwa, P. K. (2026) · Molecular Neurobiology · doi:10.1007/s12035-026-05901-0 · Cited by 1
Sheikh, S., Mollah, F., Chowdhury, R., Oni, M. I. J., Khatun, M. M., Shadin, M., Bhuia, M. S., Hoque, M. A., Alfaifi, M., Altemani, F. H., et al. (2026) · ChemistrySelect · doi:10.1002/slct.73819
Metadata
- Authors
- Friedrich, R. P., Tepper, K., Rönicke, R., Soom, M., Westermann, M., Reymann, K., Kaether, C., & Fändrich, M.
- Affiliations
- Leibniz Institute on Aging - Fritz Lipmann Institute (FLI) (DE)
- Leibniz Institute for Neurobiology (DE)
- Friedrich Schiller University Jena (DE)
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2010-01-19
- Volume
- 107
- Issue
- 5
- Pages
- 1942-1947
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC2836607
- OpenAlex
- W2036172794
- Cited by
- 303
- References
- 63
- Citations by year
- 2026: 12 · 2025: 13 · 2024: 20 · 2023: 20 · 2022: 13 · 2021: 21 · 2020: 23 · 2019: 11 · 2018: 30 · 2017: 28 · 2016: 15 · 2015: 18 · 2014: 8 · 2013: 24 · 2012: 13
- FWCI
- 15.38
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Informationszentrum Lebenswissenschaften (ZB MED) (submittedVersion)
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
- Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Keywords
- amyloid plaque formation, amyloid-beta, Alzheimer's disease, multivesicular bodies, endocytosis, phagocytosis, cell death, amyloid-beta oligomers
- MeSH terms
- Alzheimer Disease, Animals, Cell Line, Chlorocebus aethiops, Freeze Fracturing, Humans, Intracellular Fluid, Microscopy, Electron, Scanning, Peptide Fragments, Amyloid beta-Peptides, Microscopy, Video, COS Cells, Mice, Plaque, Amyloid
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