Cited by 101Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchAdvanced Proteomics Techniques and Applications

Changes in the detergent‐insoluble brain proteome linked to amyloid and tau in Alzheimer's Disease progression

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Hales, Chadwick M., Dammer, Eric B., Deng, Qiudong, Duong, Duc M., Gearing, Marla, Troncoso, Juan C., Thambisetty, Madhav, Lah, James J. +3 more·2016·PROTEOMICS

Abstract

Despite a key role of amyloid‐beta (Aβ) in Alzheimer's disease (AD), mechanisms that link Aβ plaques to tau neurofibrillary tangles and cognitive decline still remain poorly understood. The purpose of this study was to quantify proteins in the sarkosyl‐insoluble brain proteome correlated with Aβ and tau insolubility in the asymptomatic phase of AD (AsymAD) and through mild cognitive impairment (MCI) and symptomatic AD. Employing label‐free mass spectrometry‐based proteomics, we quantified 2711 sarkosyl‐insoluble proteins across the prefrontal cortex from 35 individual cases representing control, AsymAD, MCI and AD. Significant enrichment of Aβ and tau in AD was observed, which correlated with neuropathological measurements of plaque and tau tangle density, respectively. Pairwise correlation coefficients were also determined for all quantified proteins to Aβ and tau, across the 35 cases. Notably, six of the ten most correlated proteins to Aβ were U1 small nuclear ribonucleoproteins (U1 snRNPs). Three of these U1 snRNPs (U1A, SmD and U1‐70K) also correlated with tau consistent with their association with tangle pathology in AD. Thus, proteins that cross‐correlate with both Aβ and tau, including specific U1 snRNPs, may have potential mechanistic roles in linking Aβ plaques to tau tangle pathology during AD progression.

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  1. [22]Seyfried NT Gozal YM Donovan LE Herskowitz JH Quantitative analysis of the detergent-insoluble brain proteome in frontotemporal lobar degeneration using SILAC internal standards Journal of proteome research 2012 11 2721 2738 22416763 PMC3357000

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Authors
Hales, C. M., Dammer, E. B., Deng, Q., Duong, D. M., Gearing, M., Troncoso, J. C., Thambisetty, M., Lah, J. J., Shulman, J. M., Levey, A. I., & Seyfried, N. T.
Affiliations
  • Emory University (US)
  • Johns Hopkins University (US)
  • National Institutes of Health (US)
  • Baylor College of Medicine (US)
Corresponding author
Seyfried, Nicholas T.
Venue
PROTEOMICS
Publisher
Wiley
Published
2016-12
Volume
16
Issue
23
Pages
3042-3053
ISSN
  • 1615-9853 (ISSN-L)
  • 1615-9861
OpenAlex
W2529144260
Cited by
99
References
66
Citations by year
2026: 10 · 2025: 13 · 2024: 11 · 2023: 12 · 2022: 9 · 2021: 17 · 2020: 8 · 2019: 6 · 2018: 9 · 2017: 4
FWCI
5.09
Type
journal article
Language
en
Open access
Locations
  • PROTEOMICS (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Alzheimer's Disease Research Center, Emory University (P50AG025688)
  • National Institute of Neurological Disorders and Stroke (K08NS087121)
  • Alzheimer's Association
  • Alzheimer’s Research UK
  • BrightFocus Foundation (A2015332S)
  • National Institute on Aging (P50AG025688, U01AG046161‐02)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
Keywords
Alzheimer's disease, amyloid-beta, tau protein, prefrontal cortex, mild cognitive impairment, neurofibrillary tangles, amyloid plaques, U1A, SMD, U1-70K, disease progression, asymptomatic Alzheimer's disease
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Detergents, Female, Humans, Male, Proteins, Case-Control Studies, Amyloid beta-Peptides, tau Proteins, Ribonucleoprotein, U1 Small Nuclear, Proteome, Proteomics, Tandem Mass Spectrometry, Cognitive Dysfunction

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