Cited by 848Alzheimer's disease research and treatmentsUbiquitin and proteasome pathwaysDementia and Cognitive Impairment Research

Impaired Proteasome Function in Alzheimer's Disease

Keller, Jeffrey N., Hanni, Keith B., Markesbery, William R.·2000·Journal of Neurochemistry

Abstract

Inhibition of proteasome activity is sufficient to induce neuron degeneration and death; however, altered proteasome activity in a neurodegenerative disorder has not been demonstrated. In the present study, we analyzed proteasome activity in short-postmortem-interval autopsied brains from 16 Alzheimer's disease (AD) and nine age- and sex-matched controls. A significant decrease in proteasome activity was observed in the hippocampus and parahippocampal gyrus (48%), superior and middle temporal gyri (38%), and inferior parietal lobule (28%) of AD patients compared with controls. In contrast, no significant decrease in proteasome activity was observed in either the occipital lobe or the cerebellum. The loss of proteasome activity was not associated with a decrease in proteasome expression, suggesting that the proteasome may become inhibited in AD by a posttranslational modification. Together, these data indicate a possible role for proteasome inhibition in the neurodegeneration associated with AD.

Integrity signals

Registry

Crossref · 10.1046/j.1471-4159.2000.0750436.x

Cites

4 of 4 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Proteasome activity appears to be reduced in Alzheimer disease.

    “In fact, proteasome activity seems to be decreased in AD50–52,.”
  • Proteostasis dysfunction contributes to neuronal damage and death through mechanisms including ER stress and accumulation of oxidatively damaged proteins.

    “This dysfunction contributes to neuronal damage and death by several mechanisms, including ER stress and the accumulation of oxidatively damaged proteins, which in the normal brain are usually degraded by the UPS and autophagy to keep their levels low8,50,53,55.”

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Keller, J. N., Hanni, K. B., & Markesbery, W. R.
Affiliations
University of Kentucky (US)
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2000-07
Volume
75
Issue
1
Pages
436-439
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W1986413832
Cited by
848
References
4
Citations by year
2026: 22 · 2025: 34 · 2024: 20 · 2023: 32 · 2022: 25 · 2021: 23 · 2020: 45 · 2019: 42 · 2018: 27 · 2017: 37 · 2016: 34 · 2015: 31 · 2014: 31 · 2013: 32 · 2012: 36
FWCI
15.90
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Aging (P50AG005144, 5 P50 AG05144, P01AG005119, 1-PO1-AG05119)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, proteasome activity, proteasome inhibition, neurodegeneration, postmortem brain, hippocampus, parahippocampal gyrus, temporal lobe, post-translational modification
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Cysteine Endopeptidases, Female, Hippocampus, Humans, Male, Multienzyme Complexes, Parietal Lobe, Protein Processing, Post-Translational, Temporal Lobe, Parahippocampal Gyrus, Proteasome Endopeptidase Complex

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review