MALDI imaging mass spectrometry for direct tissue analysis: a new frontier for molecular histology

被引:0
作者
Axel Walch
Sandra Rauser
Sören-Oliver Deininger
Heinz Höfler
机构
[1] Helmholtz Zentrum München,Institute of Pathology
[2] Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH),Institute of Pathology
[3] Bruker Daltonik GmbH,undefined
[4] Technische Universität München,undefined
来源
Histochemistry and Cell Biology | 2008年 / 130卷
关键词
MALDI imaging mass spectrometry; Tissue; In situ-proteomics; Pathology;
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摘要
Matrix-assisted laser desorption/ionization (MALDI) imaging mass spectrometry (IMS) is a powerful tool for investigating the distribution of proteins and small molecules within biological systems through the in situ analysis of tissue sections. MALDI-IMS can determine the distribution of hundreds of unknown compounds in a single measurement and enables the acquisition of cellular expression profiles while maintaining the cellular and molecular integrity. In recent years, a great many advances in the practice of imaging mass spectrometry have taken place, making the technique more sensitive, robust, and ultimately useful. In this review, we focus on the current state of the art of MALDI-IMS, describe basic technological developments for MALDI-IMS of animal and human tissues, and discuss some recent applications in basic research and in clinical settings.
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