Cited by 105Down syndrome and intellectual disability researchAlzheimer's disease research and treatmentsDementia and Cognitive Impairment Research

Cerebrovascular pathology in Down syndrome and Alzheimer disease

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Head, Elizabeth, Phelan, Michael J., Doran, Eric, Kim, Ronald C., Poon, Wayne W., Schmitt, Frederick A., Lott, Ira T.·2017·Acta Neuropathologica Communications

Abstract

People with Down syndrome (DS) are at high risk for developing Alzheimer disease (AD) with age. Typically, by age 40 years, most people with DS have sufficient neuropathology for an AD diagnosis. Interestingly, atherosclerosis and hypertension are atypical in DS with age, suggesting the lack of these vascular risk factors may be associated with reduced cerebrovascular pathology. However, because the extra copy of APP leads to increased beta-amyloid peptide (Aβ) accumulation in DS, we hypothesized that there would be more extensive and widespread cerebral amyloid angiopathy (CAA) with age in DS relative to sporadic AD. To test this hypothesis CAA, atherosclerosis and arteriolosclerosis were used as measures of cerebrovascular pathology and compared in post mortem tissue from individuals with DS (n = 32), sporadic AD (n = 80) and controls (n = 37). CAA was observed with significantly higher frequencies in brains of individuals with DS compared to sporadic AD and controls. Atherosclerosis and arteriolosclerosis were rare in the cases with DS. CAA in DS may be a target for future interventional clinical trials.

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Authors
Head, E., Phelan, M. J., Doran, E., Kim, R. C., Poon, W. W., Schmitt, F. A., & Lott, I. T.
Affiliations
  • University of Kentucky (US)
  • University of California, Irvine (US)
Corresponding author
Head, Elizabeth
Venue
Acta Neuropathologica Communications
Published
2017-12
Volume
5
Issue
1
Pages
93-93
ISSN
2051-5960 (ISSN-L)
OpenAlex
W2771929031
Cited by
105
References
61
Citations by year
2026: 9 · 2025: 22 · 2024: 18 · 2023: 9 · 2022: 12 · 2021: 15 · 2020: 8 · 2019: 8 · 2018: 4
FWCI
5.14
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)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • UKnowledge (University of Kentucky) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institute on Aging (P50AG16573, R01AG21912)
  • National Institute of Child Health and Human Development (R01HD065160, R01HD064993)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Down syndrome, Alzheimer's disease, cerebral amyloid angiopathy, cerebrovascular pathology, atherosclerosis, arteriolosclerosis, amyloid-beta deposition, vascular risk factors, postmortem brain
MeSH terms
Age Factors, Aged, Aged, 80 and over, Alzheimer Disease, Down Syndrome, Female, Humans, Male, Middle Aged, Probability, Cohort Studies, Cerebral Amyloid Angiopathy, Atherosclerosis, Arteriolosclerosis

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