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Mass Spectrometry Imaging of Cholesterol and Oxysterols

Authors: Griffiths, William; Yutuc, Eylan; Wang, Yuqin;

Mass Spectrometry Imaging of Cholesterol and Oxysterols

Abstract

Mass spectrometry imaging (MSI) is a new technique in the toolbox of the analytical biochemist. It allows the generation of a compound specific image from a tissue slice where a measure of compound abundance is given pixel by pixel, usually displayed on a colour scale. As mass spectra are recorded at each pixel the data can be interrogated to generate images of multiple different compounds all in the same experiment. Mass spectrometry (MS) requires ionisation of analytes but cholesterol and other neutral sterols tend to be poorly ionised by the techniques employed in most MSI experiments, so despite its high abundance in mammalian tissues cholesterol is poorly represented in the MSI literature. In this article we discuss some of the MSI studies where cholesterol has been imaged and introduce newer methods for its analysis by MSI. Disturbed cholesterol metabolism is linked to many disorders and the potential of MSI to study cholesterol, its precursors and its metabolites in animal models and from human biopsies will be discussed.

Country
United Kingdom
Related Organizations
Keywords

Mammals, Sterols, Cholesterol, Models, Animal, neurodegeneration, Animals, Humans, cholesterol, Oxysterols, mass spectrometry imaging, oxysterol, Mass Spectrometry, mass spectrometry

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
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