Cited by 190Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Neuron loss from the hippocampus of Alzheimer's disease exceeds extracellular neurofibrillary tangle formation

Kril, Jillian, Patel, Smita, Harding, Antony, Halliday, Glenda·2002·Acta Neuropathologica

Abstract

Neurofibrillary tangle (NFT) formation in the CA1 region of the hippocampus is one of the early events in the pathogenesis of Alzheimer's disease (AD). As the disease progresses more NFTs form and there is substantial neuron loss. In this study we investigated whether NFT formation accounts for all the CA1 pyramidal neuron loss seen in AD. Using unbiased stereological techniques, we estimated the total number of neurons and the number of intra- and extra-cellular NFTs in the hippocampus of 10 patients with AD and 10 age-matched controls. Marked neuronal loss (approximately 60%) was identified in AD, although NFTs accounted for only a small proportion of this loss (2.2-17.2%, mean 8.1%). Analysis of NFT accumulation with duration of dementia showed a linear relationship, supporting the belief that NFTs progressively accumulate with time.

Integrity signals

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Crossref · 10.1007/s00401-001-0477-5

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58 of 58 references verified0 citation errors · 0 not checkable

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  • Some, but not all, studies indicate that more neurons disappear in brains of demented subjects than can be explained directly by the number of neurofibrillary tangles and ghost tangles observed at autopsy.

    “Some, but not all, studies have indicated that more neurons disappear in brains of demented subjects than can be explained directly by the number of NFTs and “ghost tangles” observed at autopsy (285, 304, 307-310) (but see [305]).”

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Authors
Kril, J., Patel, S., Harding, A., & Halliday, G.
Affiliations
  • The University of Sydney (AU)
  • Neuroscience Research Australia (AU)
Corresponding author
Kril, Jillian
Venue
Acta Neuropathologica
Published
2002-04-01
Volume
103
Issue
4
Pages
370-376
ISSN
  • 0001-6322 (ISSN-L)
  • 1432-0533
OpenAlex
W2029462234
Cited by
190
References
58
Citations by year
2026: 5 · 2025: 8 · 2024: 8 · 2023: 6 · 2022: 8 · 2021: 5 · 2020: 7 · 2019: 6 · 2018: 6 · 2017: 5 · 2016: 7 · 2015: 8 · 2014: 8 · 2013: 8 · 2012: 6
FWCI
5.59
Type
journal article
Language
en
Open access
closed
Locations
  • Acta Neuropathologica (publishedVersion)
  • PubMed (publishedVersion)
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, neurofibrillary tangles, hippocampal CA1, neuronal loss, pyramidal neurons, stereology
MeSH terms
Alzheimer Disease, Extracellular Space, Female, Hippocampus, Humans, Male, Neurons, Reference Values, Time Factors, Neurofibrillary Tangles

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