Global changes of phospholipids identified by MALDI imaging mass spectrometry in a mouse model of Alzheimer's disease
Open accessAbstract
Alzheimer's disease (AD) is the most common form of dementia; however, at the present time there is no disease-modifying drug for AD. There is increasing evidence supporting the role of lipid changes in the process of normal cognitive aging and in the etiology of age-related neurodegenerative diseases. AD is characterized by the presence of intraneuronal protein clusters and extracellular aggregates of β-amyloid (Aβ). Disrupted Aβ kinetics may activate intracellular signaling pathways, including tau hyperphosphorylation and proinflammatory pathways. We analyzed and visualized the lipid profiles of mouse brains using MALDI-TOF MS. Direct tissue analysis by MALDI-TOF imaging MS (IMS) can determine the relative abundance and spatial distribution of specific lipids in different tissues. We used 5XFAD mice that almost exclusively generate and rapidly accumulate massive cerebral levels of Aβ-42 (1). Our data showed changes in lipid distribution in the mouse frontal cortex, hippocampus, and subiculum, where Aβ plaques are first generated in AD. Our results suggest that MALDI-IMS is a powerful tool for analyzing the distribution of various phospholipids and that this application might provide novel insight into the prediction of disease.
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5xFAD mice display a similar bone loss phenotype.
“A similar bone loss phenotype was observed in 5xFAD mice (Fig. 1i–l), another widely used AD transgenic mouse model38,39.”
From Serum amyloid P secreted by bone marrow adipocytes drives skeletal amyloidosis (2025) · cites this paper as [38]
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- Authors
- Hong, J. H., Kang, J. W., Kim, D. K., Baik, S. H., Kim, K. H., Shanta, S. R., Jung, J. H., Mook-Jung, I., & Kim, K. P.
- Affiliations
- Kyung Hee University (KR)
- Seoul National University (KR)
- Corresponding author
- Kim, Kwang Pyo
- Venue
- Journal of Lipid Research
- Publisher
- Elsevier BV
- Published
- 2016-01
- Volume
- 57
- Issue
- 1
- Pages
- 36-45
- ISSN
- 0022-2275 (ISSN-L)
- PMC
- PMC4689334
- OpenAlex
- W2152378821
- Cited by
- 83
- References
- 54
- Citations by year
- 2026: 6 · 2025: 7 · 2024: 8 · 2023: 6 · 2022: 4 · 2021: 11 · 2020: 10 · 2019: 9 · 2018: 8 · 2017: 9 · 2016: 5
- FWCI
- 5.40
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Lipid Research (publishedVersion, cc-by)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Topics
- Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
- Physical Sciences › Chemistry › Spectroscopy › Mass Spectrometry Techniques and Applications
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolomics and Mass Spectrometry Studies
- Keywords
- Alzheimer's disease, phospholipids, lipid distribution, MALDI mass spectrometry imaging, 5xFAD mice, amyloid-beta, frontal cortex, hippocampus, subiculum, brain lipids
- MeSH terms
- Alzheimer Disease, Animals, Brain, Disease Models, Animal, Hippocampus, Humans, Mice, Transgenic, Phospholipids, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization, Mice, Presenilin-1
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