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Staging of Alzheimer-Related Cortical Destruction
Abstract
The gradual intraneuronal accumulation of an insoluble fibrous material which partly consists of abnormally phosphorylated tau protein (neurofibrillary change) represents an important neuropathological hallmark of Alzheimer’s disease. Neurofibrillary tangles and neuropil threads formed from this material develop in only a few types of cortical pyramidal cells. The first changes are seen in the entorhinal cortex. The destructive process then spreads into the hippocampal formation and eventually encroaches upon the isocortex. This sequence of events permits the distinction of six stages with a progressive increase in the severity of cortical destruction. The entorhinal region serves as an important interface between the isocortex and hippocampus. This interface function is markedly impaired due to the early deterioration of the entorhinal cortex. Severe entorhinal involvement is considered to represent the morphological counterpart of clinically incipient Alzheimer’s disease. Similar changes are found in mentally impaired individuals suffering from Parkinson’s disease or progressive supranuclear palsy.
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“On the basis of the review of an enormous sample of cross-sectional autopsy data, the pattern of NFT development across the clinical spectrum of disease has been integrated in Braak neuropathologic staging (60, 298, 299).”
From Correlation of Alzheimer Disease Neuropathologic Changes With Cognitive Status: A Review of the Literature (2012) · cites this paper as [299]
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Metadata
- Authors
- Braak, H., Braak, E., & Bohl, J.
- Affiliations
- Goethe University Frankfurt (DE)
- ORCID
- Braak, Heiko
- Venue
- European Neurology
- Publisher
- S. Karger AG
- Published
- 2008-02-12
- Volume
- 33
- Issue
- 6
- Pages
- 403-408
- ISSN
- 0014-3022 (ISSN-L)
- 1421-9913
- OpenAlex
- W2095422335
- Cited by
- 836
- References
- 0
- Citations by year
- 2026: 15 · 2025: 27 · 2024: 29 · 2023: 34 · 2022: 38 · 2021: 32 · 2020: 35 · 2019: 33 · 2018: 30 · 2017: 40 · 2016: 35 · 2015: 47 · 2014: 36 · 2013: 39 · 2012: 35
- FWCI
- 29.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- European Neurology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
- Keywords
- Alzheimer's disease, cortical destruction, neurofibrillary tangles, tau protein, neuropil threads, entorhinal cortex, hippocampal formation, neocortex, disease staging, cortical pyramidal neurons, Parkinson's disease, progressive supranuclear palsy, neuropathology
- MeSH terms
- Aged, Alzheimer Disease, Brain Mapping, Cerebral Cortex, Dementia, Diagnosis, Differential, Hippocampus, Humans, Limbic System, Parkinson Disease, Supranuclear Palsy, Progressive, Neurites, Neurofibrillary Tangles
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