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Klinik und Poliklinik für Chirurgie (Prof. Friess)
2015
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Document type:
Journal Article
Author(s):
Buck, Achim; Ly, Alice; Balluff, Benjamin; Sun, Na; Gorzolka, Karin; Feuchtinger, Annette; Janssen, Klaus-Peter; Kuppen, Peter J K; van de Velde, Cornelis J H; Weirich, Gregor; Erlmeier, Franziska; Langer, Rupert; Aubele, Michaela; Zitzelsberger, Horst; Aichler, Michaela; Walch, Axel
Title:
High-resolution MALDI-FT-ICR MS imaging for the analysis of metabolites from formalin-fixed, paraffin-embedded clinical tissue samples.
Abstract:
We present the first analytical approach to demonstrate the in situ imaging of metabolites from formalin-fixed, paraffin-embedded (FFPE) human tissue samples. Using high-resolution matrix-assisted laser desorption/ionization Fourier-transform ion cyclotron resonance mass spectrometry imaging (MALDI-FT-ICR MSI), we conducted a proof-of-principle experiment comparing metabolite measurements from FFPE and fresh frozen tissue sections, and found an overlap of 72% amongst 1700 m/z species. In particular, we observed conservation of biomedically relevant information at the metabolite level in FFPE tissues. In biomedical applications, we analysed tissues from 350 different cancer patients and were able to discriminate between normal and tumour tissues, and different tumours from the same organ, and found an independent prognostic factor for patient survival. This study demonstrates the ability to measure metabolites in FFPE tissues using MALDI-FT-ICR MSI, which can then be assigned to histology and clinical parameters. Our approach is a major technical, histochemical, and clinicopathological advance that highlights the potential for investigating diseases in archived FFPE tissues. Copyright © 2015 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
Journal title abbreviation:
J Pathol
Year:
2015
Journal volume:
237
Journal issue:
1
Pages contribution:
123-32
Language:
eng
Fulltext / DOI:
doi:10.1002/path.4560
Pubmed ID:
http://view.ncbi.nlm.nih.gov/pubmed/25965788
Print-ISSN:
0022-3417
TUM Institution:
Chirurgische Klinik und Poliklinik; Institut für Allgemeine Pathologie und Pathologische Anatomie
BibTeX
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mediaTUM Gesamtbestand
Einrichtungen
Schools
TUM School of Medicine and Health
Departments
Clinical Medicine
Klinik und Poliklinik für Chirurgie (Prof. Friess)
2015
mediaTUM Gesamtbestand
Einrichtungen
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TUM School of Medicine and Health
Departments
Preclinical Medicine
Institut für Allgemeine Pathologie und Pathologische Anatomie (Dr. Mogler komm.)
2015
mediaTUM Gesamtbestand
Hochschulbibliographie
2015
Fakultäten
Medizin
Institut für Allgemeine Pathologie und Pathologische Anatomie