Cited by 101Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Molecular and functional signatures in a novel Alzheimer’s disease mouse model assessed by quantitative proteomics

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Kim, Dong Kyu, Park, Joonho, Han, Dohyun, Yang, Jinhee, Kim, Ahbin, Woo, Jongmin, Kim, Youngsoo, Mook-Jung, Inhee·2018·Molecular Neurodegeneration

Abstract

Alzheimer’s disease (AD), the most common neurodegenerative disorder, is characterized by the deposition of extracellular amyloid plaques and intracellular neurofibrillary tangles. To understand the pathological mechanisms underlying AD, developing animal models that completely encompass the main features of AD pathologies is indispensable. Although mouse models that display pathological hallmarks of AD (amyloid plaques, neurofibrillary tangles, or both) have been developed and investigated, a systematic approach for understanding the molecular characteristics of AD mouse models is lacking. To elucidate the mechanisms underlying the contribution of amyloid beta (Aβ) and tau in AD pathogenesis, we herein generated a novel animal model of AD, namely the AD-like pathology with amyloid and neurofibrillary tangles (ADLP APT ) mice. The ADLP APT mice carry three human transgenes, including amyloid precursor protein, presenilin-1, and tau, with six mutations. To characterize the molecular and functional signatures of AD in ADLP APT mice, we analyzed the hippocampal proteome and performed comparisons with individual-pathology transgenic mice (i.e., amyloid or neurofibrillary tangles) and wild-type mice using quantitative proteomics with 10-plex tandem mass tag. The ADLP APT mice exhibited accelerated neurofibrillary tangle formation in addition to amyloid plaques, neuronal loss in the CA1 area, and memory deficit at an early age. In addition, our proteomic analysis identified nearly 10,000 protein groups, which enabled the identification of hundreds of differentially expressed proteins (DEPs) in ADLP APT mice. Bioinformatics analysis of DEPs revealed that ADLP APT mice experienced age-dependent active immune responses and synaptic dysfunctions. Our study is the first to compare and describe the proteomic characteristics in amyloid and neurofibrillary tangle pathologies using isobaric label-based quantitative proteomics. Furthermore, we analyzed the hippocampal proteome of the newly developed ADLP APT model mice to investigate how both Aβ and tau pathologies regulate the hippocampal proteome. Because the ADLP APT mouse model recapitulates the main features of AD pathogenesis, the proteomic data derived from its hippocampus has significant utility as a novel resource for the research on the Aβ-tau axis and pathophysiological changes in vivo.

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Authors
Kim, D. K., Park, J., Han, D., Yang, J., Kim, A., Woo, J., Kim, Y., & Mook-Jung, I.
Affiliations
Seoul National University (KR)
Corresponding author
Kim, Youngsoo
Venue
Molecular Neurodegeneration
Published
2018-01-16
Volume
13
Issue
1
Pages
2-2
ISSN
1750-1326 (ISSN-L)
OpenAlex
W2782632913
Cited by
95
References
78
Citations by year
2026: 2 · 2025: 11 · 2024: 11 · 2023: 10 · 2022: 19 · 2021: 14 · 2020: 16 · 2019: 9 · 2018: 3
FWCI
7.20
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Molecular Neurodegeneration (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Seoul National University Open Repository (Seoul National University) (submittedVersion)
Funders
National Research Foundation of Korea (2011-0030738, 2017M3C9A5031597, 2011-0030740, 2015R1A2A1A05001794, 2014M3C7A1046047, 2015M3C7A1028790)
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, amyloid plaques, neurofibrillary tangles, amyloid-beta, tau protein, hippocampal proteome, differentially expressed proteins, synaptic dysfunction, neuroinflammation, memory impairment, transgenic mouse model
MeSH terms
Alzheimer Disease, Animals, Disease Models, Animal, Hippocampus, Humans, Mice, Transgenic, Mutation, Amyloid beta-Protein Precursor, tau Proteins, Transgenes, Proteomics, Mice, Presenilin-1

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