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Imaging of protein distribution in tissues using mass spectrometry: An interdisciplinary challenge

Han, J., Permentier, H., Bischoff, R., Groothuis, G., Casini, A. & Horvatovich, P., 1-Mar-2019, In : TrAC - Trends in Analytical Chemistry. 112, p. 13-28 16 p.

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  • Imaging of protein distribution in tissues using mass spectrometry An interdisciplinary challenge

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DOI

The recent development of mass spectrometry imaging (MSI) technology allowed to obtain extremely detailed images of the spatial distribution of proteins in tissue at high spatial resolution reaching cell dimensions, high target specificity and a large dynamic concentration range. This review focusses on the development of two main MSI principles, namely targeted and untargeted detection of protein distribution in tissue samples, with special emphasis on the improvements in analyzed mass range and spatial resolution over the last 10 years. Untargeted MSI of in situ digested proteins with matrix-assisted laser desorption ionization is the most widely used approach, but targeted protein MSI technologies using laser ablation inductively coupled plasma (LA-ICP) and photocleavable mass tag chemical labeling strategies are gaining momentum. Moreover, this review also provides an overview of the effect of sample preparation on image quality and the bioinformatic challenge to identify proteins and quantify their distribution in complex MSI data.

Original languageEnglish
Pages (from-to)13-28
Number of pages16
JournalTrAC - Trends in Analytical Chemistry
Volume112
Publication statusPublished - 1-Mar-2019

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