Cited by 143Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration Mechanisms

Early-onset Alzheimer’s disease is associated with greater pathologic burden.

Marshall, Gad A., Fairbanks, Lynn A., Tekin, Sibel, Vinters, Harry V., Cummings, Jeffrey L.·2007·Journal of Geriatric Psychiatry and Neurology

Abstract

Two subtypes of Alzheimer's disease (AD) have been commonly identified: early- and late-onset forms. Previous studies suggest that early-onset AD patients have more neuritic plaques (NPs) and neurofibrillary tangles (NFTs). In the current study, NP and NFT counts were performed for 8 brain regions in 25 subjects with definite AD. A repeated-measures analysis of variance of mean regional NP and NFT counts for early- and late-onset groups was performed. A significant between-subject effect indicating greater overall NP and NFT burden in the early-onset group was observed (NP: F = 6.8, df = 1, P = .015; NFT: F = 7.5, df = 1, P = .012). This analysis supports the hypothesis that early-onset AD is associated with greater pathologic burden than late-onset AD. This suggests that late-onset AD patients have less cognitive reserve than early-onset patients and require fewer pathologic changes to exhibit cognitive deterioration.

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Crossref · 10.1177/0891988706297086

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Authors
Marshall, G. A., Fairbanks, L. A., Tekin, S., Vinters, H. V., & Cummings, J. L.
Affiliations
  • University of California, Los Angeles (US)
  • Florham Park, New Jersey
Venue
Journal of Geriatric Psychiatry and Neurology
Published
2007-03
Volume
20
Issue
1
Pages
29-33
ISSN
  • 0891-9887 (ISSN-L)
  • 1552-5708
OpenAlex
W2069461843
Cited by
143
References
20
Citations by year
2026: 5 · 2025: 10 · 2024: 16 · 2023: 12 · 2022: 10 · 2021: 13 · 2020: 11 · 2019: 5 · 2018: 3 · 2017: 10 · 2016: 6 · 2015: 10 · 2014: 1 · 2013: 9 · 2012: 6
FWCI
2.42
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Geriatric Psychiatry and Neurology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Aging (P50AG016570)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
early-onset Alzheimer's disease, late-onset Alzheimer's disease, Alzheimer's disease subtypes, neuritic plaques, neurofibrillary tangles, cognitive reserve, cognitive decline
MeSH terms
Adult, Age Factors, Aged, Aged, 80 and over, Alzheimer Disease, Brain, Cerebral Cortex, Diagnosis, Differential, Dominance, Cerebral, Female, Humans, Male, Middle Aged, Retrospective Studies, Synapses, Cohort Studies, Neurofibrillary Tangles, Plaque, Amyloid

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