Cited by 40Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Relationship between apolipoprotein E and the amyloid deposits and dystrophic neurites of Alzheimer’s disease.

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Dickson, T. C., Saunders, H. L., Vickers, J. C.·1997·Neuropathology and Applied Neurobiology

Abstract

Although the inheritance of certain apolipoprotein E (ApoE) alleles has been recognized as a genetic risk factor for Alzheimer's disease, the role of ApoE in the pathology underlying this disease is unclear. Several reports have emphasized the association of ApoE with either beta-amyloid plaque formation or the development of neurofibrillary pathology. Utilization of multiple label immunohistochemical methods enabled us to examine directly the localization of ApoE immunoreactivity relative to beta-amyloid plaques, dystrophic neurites and neurofibrillary tangles. In Alzheimer's disease cases, beta-amyloid plaques showing high ApoE immunoreactivity were localized to layers II, III and V of the neocortex. In layer I, beta-amyloid plaques were unlabelled for ApoE relative to beta-amyloid. Dense core plaques labelled for beta-amyloid often had only the central portions labelled for ApoE. Conversely, ApoE labelled spherical structures within some plaques were not immunoreactive for beta-amyloid or dystrophic neurite markers. Unlike beta-amyloid labelled plaques, all ApoE immunoreactive plaques were associated with dystrophic neurites. In preclinical Alzheimer's disease cases, most plaques were double labelled for beta-amyloid and ApoE. ApoE did not label dystrophic neurites or the early stages of neurofibrillary tangle formation, indicating that ApoE may not be directly involved in neurofibrillary pathology. The specific presence of ApoE in plaques associated with dystrophic neurites in demented patients suggests that ApoE may contribute toward a higher degree of beta-amyloid fibrillogenesis, enhancing the ability of certain plaques to cause damage to surrounding axons.

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Crossref · 10.1111/j.1365-2990.1997.tb01325.x

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Authors
Dickson, T. C., Saunders, H. L., & Vickers, J. C.
Affiliations
University of Tasmania (AU)
Venue
Neuropathology and Applied Neurobiology
Publisher
Wiley
Published
1997-12
Volume
23
Issue
6
Pages
483-491
ISSN
  • 0305-1846 (ISSN-L)
  • 1365-2990
OpenAlex
W2051348240
Cited by
40
References
31
Citations by year
2025: 1 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 2 · 2019: 2 · 2018: 1 · 2017: 1 · 2014: 1 · 2013: 1 · 2012: 2
FWCI
0.41
Type
journal article
Language
en
Open access
Locations
  • Neuropathology and Applied Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • eCite Digital Repository (University of Tasmania) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
Topics
  • Health Sciences › Medicine › Physiology › 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
apolipoprotein E, Alzheimer's disease, amyloid plaques, dystrophic neurites, neurofibrillary tangles, preclinical Alzheimer's disease, amyloid fibril formation, neocortex, genetic risk factors
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Apolipoproteins E, Frontal Lobe, Humans, Immunohistochemistry, Middle Aged, Temporal Lobe, Ubiquitins, Amyloid beta-Peptides, Neurites, Neurofibrillary Tangles, tau Proteins, Fluorescent Antibody Technique, Indirect, Plaque, Amyloid

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