Clinical Applications of MALDI Imaging Technologies in Cancer and Neurodegenerative Diseases

Publication date: Available online 10 January 2017
Source:Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics
Author(s): Yasemin Ucal, Zeynep Aslıhan Durer, Hakan Atak, Elif Kadioglu, Betul Sahin, Abdurrahman Coskun, Ahmet Tarık Baykal, Aysel Ozpinar
Matrix-assisted laser desorption/ionization (MALDI) time-of-flight (TOF) imaging mass spectrometry (IMS) enables localization of analytes of interest along with histology. More specifically, MALDI-IMS identifies the distributions of proteins, peptides, small molecules, lipids, and drugs and their metabolites in tissues, with high spatial resolution. This unique capacity to directly analyze tissue samples without the need for lengthy sample preparation reduces technical variability and renders MALDI-IMS ideal for the identification of potential diagnostic and prognostic biomarkers and disease gradation. MALDI-IMS has evolved rapidly over the last decade and has been successfully used in both medical and basic research by scientists worldwide. In this review, we explore the clinical applications of MALDI-IMS, focusing on the major cancer types and neurodegenerative diseases. In particular, we re-emphasize the diagnostic potential of IMS and the challenges that must be confronted when conducting MALDI-IMS in clinical settings. This article is part of a Special Issue entitled: MALDI Imaging, edited by Dr. Corinna Henkel and Prof. Peter Hoffmann.



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