Recent advances in single-cell MALDI mass spectrometry imaging and potential clinical impact.

Abstract:

:Single-cell analysis is gaining popularity in the field of mass spectrometry as a method for analyzing protein and peptide content in cells. The spatial resolution of MALDI mass spectrometry (MS) imaging is by a large extent limited by the laser focal diameter and the displacement of analytes during matrix deposition. Owing to recent advancements in both laser optics and matrix deposition methods, spatial resolution on the order of a single eukaryotic cell is now achievable by MALDI MS imaging. Provided adequate instrument sensitivity, a lateral resolution of approximately 10 µm is currently attainable with commercial instruments. As a result of these advances, MALDI MS imaging is poised to become a transformative clinical technology. In this article, the crucial steps needed to obtain single-cell resolution are discussed, as well as potential applications to disease research.

journal_name

Expert Rev Proteomics

authors

Boggio KJ,Obasuyi E,Sugino K,Nelson SB,Agar NY,Agar JN

doi

10.1586/epr.11.53

subject

Has Abstract

pub_date

2011-10-01 00:00:00

pages

591-604

issue

5

eissn

1478-9450

issn

1744-8387

journal_volume

8

pub_type

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