Cited by 253Dementia and Cognitive Impairment ResearchCerebrovascular and genetic disordersIntracerebral and Subarachnoid Hemorrhage Research

White matter hyperintensities: relationship to amyloid and tau burden

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Graff-Radford, Jonathan, Arenaza-Urquijo, Eider M, Knopman, David S, Schwarz, Christopher G, Brown, Robert D, Rabinstein, Alejandro A, Gunter, Jeffrey L, Senjem, Matthew L +10 more·2019·Brain

Abstract

Although white matter hyperintensities have traditionally been viewed as a marker of vascular disease, recent pathology studies have found an association between white matter hyperintensities and Alzheimer’s disease pathologies. The objectives of this study were to investigate the topographic patterns of white matter hyperintensities associated with Alzheimer’s disease biomarkers measured using PET. From the population-based Mayo Clinic Study of Aging, 434 participants without dementia (55% male) with FLAIR and gradient recall echo MRI, tau-PET (AV-1451) and amyloid-PET scans were identified. A subset had cerebral microbleeds detected on T2* gradient recall echo scans. White matter hyperintensities were semi-automatically segmented using FLAIR MRI in participant space and normalized to a custom template. We used statistical parametric mapping 12-based, voxel-wise, multiple-regression analyses to detect white matter hyperintense regions associated with Alzheimer’s biomarkers (global amyloid from amyloid-PET and meta-regions of interest tau uptake from tau-PET) after adjusting for age, sex and hypertension. For amyloid associations, we additionally adjusted for tau and vice versa. Topographic patterns of amyloid-associated white matter hyperintensities included periventricular white matter hyperintensities (frontal and parietal lobes). White matter hyperintense volumes in the detected topographic pattern correlated strongly with lobar cerebral microbleeds (P < 0.001, age and sex adjusted Cohen’s d = 0.703). In contrast, there were no white matter hyperintense regions significantly associated with increased tau burden using voxel-based analysis or region-specific analysis. Among non-demented elderly, amyloid load correlated with a topographic pattern of white matter hyperintensities. Further, the amyloid-associated, white matter hyperintense regions strongly correlated with lobar cerebral microbleeds suggesting that cerebral amyloid angiopathy contributes to the relationship between amyloid and white matter hyperintensities. The study did not support an association between increased tau burden and white matter hyperintense burden.

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Crossref · 10.1093/brain/awz162

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Authors
Graff-Radford, J., Arenaza-Urquijo, E. M., Knopman, D. S., Schwarz, C. G., Brown, R. D., Rabinstein, A. A., Gunter, J. L., Senjem, M. L., Przybelski, S. A., Lesnick, T., Ward, C., Mielke, M. M., Lowe, V. J., Petersen, R. C., Kremers, W. K., Kantarci, K., Jack, C. R., & Vemuri, P.
Affiliations
  • Department of Neurology, Mayo Clinic, Rochester, Minnesota, USA
  • Department of Radiology, Mayo Clinic, Rochester, Minnesota, USA
  • Mayo Clinic (US)
Venue
Brain
Published
2019-06-14
Volume
142
Issue
8
Pages
2483-2491
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2952824079
Cited by
253
References
32
Citations by year
2026: 25 · 2025: 43 · 2024: 39 · 2023: 38 · 2022: 46 · 2021: 34 · 2020: 27 · 2019: 1
FWCI
21.51
Type
journal article
Language
en
Open access
Locations
  • Brain (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Aging (R37 AG011378, K76 AG057015, R01 AG041851, U01 AG006786, R01 AG034676, R01 AG56366)
  • National Institute of Neurologic Disorders and Stroke (R01 NS097495)
  • GHR Foundation
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Neurology › Cerebrovascular and genetic disorders
  • Health Sciences › Medicine › Neurology › Intracerebral and Subarachnoid Hemorrhage Research
Keywords
white matter hyperintensities, amyloid burden, tau burden, Alzheimer's disease, cerebral microbleeds, cerebral amyloid angiopathy, periventricular white matter hyperintensities, tau PET, amyloid PET, FLAIR MRI, topographic patterns, non-demented elderly, Mayo Clinic Study of Aging
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Brain, Cerebral Hemorrhage, Female, Humans, Male, Middle Aged, Amyloid beta-Peptides, Cerebral Amyloid Angiopathy, tau Proteins, Positron-Emission Tomography, Neuroimaging, White Matter

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