Cited by 78Advanced Proteomics Techniques and ApplicationsAlzheimer's disease research and treatmentsAdvanced Biosensing Techniques and Applications

Proteomic analysis of neurons microdissected from formalin-fixed, paraffin-embedded Alzheimer’s disease brain tissue

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Drummond, Eleanor S, Nayak, Shruti, Ueberheide, Beatrix, Wisniewski, Thomas·2015·Scientific Reports

Abstract

The vast majority of human tissue specimens are formalin-fixed, paraffin embedded (FFPE) archival samples, making this type of tissue a potential gold mine for medical research. It is now accepted that proteomics can be done using FFPE tissue and can generate similar results as snap-frozen tissue. However, the current methodology requires a large amount of starting protein, limiting the questions that can be answered in these types of proteomics studies and making cell-type specific proteomics studies difficult. Cell-type specific proteomics has the potential to greatly enhance understanding of cell functioning in both normal and disease states. Therefore, here we describe a new method that allows localized proteomics on individual cell populations isolated from FFPE tissue sections using laser capture microdissection. To demonstrate this technique we microdissected neurons from archived tissue blocks of the temporal cortex from patients with Alzheimer’s disease. Using this method we identified over 400 proteins in microdissected neurons; on average 78% that were neuronal and 50% that were associated with Alzheimer’s disease. Therefore, this technique is able to provide accurate and meaningful data and has great potential for any future study that wishes to perform localized proteomics using very small amounts of archived FFPE tissue.

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  • LCM has been used to micro-dissect neurons from both fresh frozen human brain and formalin-fixed paraffin embedded tissue sections for proteomic analyses.

    “LCM has been used to micro-dissect neurons from both fresh frozen human brain and formalin-fixed paraffin embedded tissue sections for proteomic analyses [144, 145].”
  • Drummond et al. found proteins increased in rapidly progressive AD plaques (e.g., α-synuclein) to be decreased or have no known involvement in sporadic AD.

    “LCM coupled to LFQ-MS of these samples revealed proteins increased in rapidly progressive AD plaques (e.g., α-synuclein) to be decreased or have no known involvement in sporadic AD [144].”

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Authors
Drummond, E. S., Nayak, S., Ueberheide, B., & Wisniewski, T.
Affiliations
NYU Langone Health (US)
Venue
Scientific Reports
Published
2015-10-21
Volume
5
Issue
1
Pages
15456-15456
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2413556564
Cited by
78
References
45
Citations by year
2026: 6 · 2025: 5 · 2024: 4 · 2023: 6 · 2022: 3 · 2021: 11 · 2020: 9 · 2019: 7 · 2018: 8 · 2017: 12 · 2016: 7
FWCI
4.01
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (AG20245, AG08051)
  • National Institute on Aging (AG20245, P30AG008051, AG 08051, R01AG020245)
  • National Cancer Institute (P30CA016087)
Topics
  • Physical Sciences › Chemistry › Spectroscopy › Advanced Proteomics Techniques and Applications
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced Biosensing Techniques and Applications
Keywords
Alzheimer's disease, formalin-fixed paraffin-embedded tissue, laser capture microdissection, neuronal proteome, temporal cortex, archival tissue, protein identification
MeSH terms
Alzheimer Disease, Brain, Gene Expression Regulation, Humans, Neurons, Protein Biosynthesis, Paraffin Embedding, Proteomics

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