Cited by 723Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

White matter changes in Alzheimer’s disease: A focus on myelin and oligodendrocytes

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Nasrabady, Sara E., Rizvi, Batool, Goldman, James E., Brickman, Adam M.·2018·Acta Neuropathologica Communications

Abstract

Alzheimer's disease (AD) is conceptualized as a progressive consequence of two hallmark pathological changes in grey matter: extracellular amyloid plaques and neurofibrillary tangles. However, over the past several years, neuroimaging studies have implicated micro- and macrostructural abnormalities in white matter in the risk and progression of AD, suggesting that in addition to the neuronal pathology characteristic of the disease, white matter degeneration and demyelination may be also important pathophysiological features. Here we review the evidence for white matter abnormalities in AD with a focus on myelin and oligodendrocytes, the only source of myelination in the central nervous system, and discuss the relationship between white matter changes and the hallmarks of Alzheimer's disease. We review several mechanisms such as ischemia, oxidative stress, excitotoxicity, iron overload, Aβ toxicity and tauopathy, which could affect oligodendrocytes. We conclude that white matter abnormalities, and in particular myelin and oligodendrocytes, could be mechanistically important in AD pathology and could be potential treatment targets.

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Authors
Nasrabady, S. E., Rizvi, B., Goldman, J. E., & Brickman, A. M.
Affiliations
Columbia University (US)
Corresponding author
Nasrabady, Sara E.
Venue
Acta Neuropathologica Communications
Published
2018-03-02
Volume
6
Issue
1
Pages
22-22
ISSN
2051-5960 (ISSN-L)
OpenAlex
W2793877399
Cited by
723
References
86
Citations by year
2026: 82 · 2025: 112 · 2024: 103 · 2023: 118 · 2022: 93 · 2021: 101 · 2020: 73 · 2019: 34 · 2018: 6 · 2012: 1
FWCI
7.04
Type
journal article
Language
en
Open access
Locations
  • Acta Neuropathologica Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Columbia Academic Commons (Columbia University)
Funders
  • NIH T32 grant (MH 20004-19)
  • National Institutes of Health (P50 AG008702)
  • Alzheimer's Association
  • The Taub Institute for Research on Alzheimer's Disease and the Aging Brain
  • The Mary E. Groff Charitable Trust
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
Alzheimer's disease, white matter, myelin, oligodendrocytes, demyelination, white matter degeneration, amyloid-beta, tauopathy, oxidative stress, excitotoxicity, iron overload, ischemia, neurofibrillary tangles, amyloid plaques, treatment goals
MeSH terms
Alzheimer Disease, Animals, Humans, Myelin Sheath, White Matter

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