Cited by 112Dementia and Cognitive Impairment ResearchCerebrovascular and genetic disordersAlzheimer's disease research and treatments

The effect of white matter hyperintensities on neurodegeneration in mild cognitive impairment

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Tosto, Giuseppe, Zimmerman, Molly E., Hamilton, Jamie L., Carmichael, Owen T., Brickman, Adam M., Alzheimer's Disease Neuroimaging Initiative·2015·Alzheimer's & Dementia

Abstract

Introduction: It is unclear whether white matter hyperintensities (WMHs), magnetic resonance imaging markers of small‐vessel cerebrovascular disease, promote neurodegeneration and associated clinical decline in Alzheimer's disease (AD), or simply co‐occur with recognized pathogenic processes. Methods: In 169 patients with mild cognitive impairment, followed for 3 years, we examined the association of (1) baseline regional WMH and cerebral spinal fluid–derived t‐tau (total tau) with entorhinal cortex atrophy rates, as a marker of AD‐related neurodegeneration, and conversion to AD; and (2) baseline regional WMH with change in t‐tau level. Results: In participants with low baseline t‐tau, higher regional WMH volumes were associated with faster entorhinal cortex atrophy. Higher parietal WMH volume predicted conversion to AD in those with high t‐tau. Higher parietal and occipital WMH volumes predicted increasing t‐tau. Discussion: WMHs affect AD clinical and pathologic processes both directly and interacting with tau.

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  1. [47]Fazekas F Kleinert R Offenbacher H Schmidt R Kleinert G Payer F Radner H Lechner H 1993 Pathologic correlates of incidental MRI white matter signal hyperintensities Neurology 43 1683 1683 8414012

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Authors
Tosto, G., Zimmerman, M. E., Hamilton, J. L., Carmichael, O. T., Brickman, A. M., & Initiative, A. D. N.
Affiliations
  • Columbia University Irving Medical Center (US)
  • Albert Einstein College of Medicine (US)
  • Pennington Biomedical Research Center (US)
  • Alzheimer’s Disease Neuroimaging Initiative (US)
Corresponding author
Brickman, Adam M.
Venue
Alzheimer's & Dementia
Publisher
Wiley
Published
2015-06-13
Volume
11
Issue
12
Pages
1510-1519
ISSN
  • 1552-5260 (ISSN-L)
  • 1552-5279
OpenAlex
W575146699
Cited by
112
References
55
Citations by year
2026: 4 · 2025: 11 · 2024: 8 · 2023: 13 · 2022: 13 · 2021: 11 · 2020: 13 · 2019: 9 · 2018: 10 · 2017: 7 · 2016: 11 · 2015: 2
FWCI
8.13
Type
journal article
Language
en
Open access
Locations
  • Alzheimer s & Dementia (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Defense (W81XWH‐12‐1‐0013, W81XWH‐12‐2‐0012)
  • Alzheimer's Disease Neuroimaging Initiative
  • National Institutes of Health (U01 AG024904)
  • National Institute on Aging
  • National Institute of Biomedical Imaging and Bioengineering
  • Foundation for the National Institutes of Health
  • Northern California Institute for Research and Education
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Neurology › Cerebrovascular and genetic disorders
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
white matter hyperintensities, mild cognitive impairment
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Atrophy, Female, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Nerve Fibers, Myelinated, Peptide Fragments, Amyloid beta-Peptides, tau Proteins, Disease Progression, Entorhinal Cortex, Cognitive Dysfunction, White Matter

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