Mass spectrometry-based proteomics: basic principles and emerging technologies and directions.

Susan K. Van Riper, Ebbing P. de Jong, John V. Carlis, Timothy J. Griffin

Research output: Contribution to journalReview articlepeer-review

Abstract

As the main catalytic and structural molecules within living systems, proteins are the most likely biomolecules to be affected by radiation exposure. Proteomics, the comprehensive characterization of proteins within complex biological samples, is therefore a research approach ideally suited to assess the effects of radiation exposure on cells and tissues. For comprehensive characterization of proteomes, an analytical platform capable of quantifying protein abundance, identifying post-translation modifications and revealing members of protein complexes on a system-wide level is necessary. Mass spectrometry (MS), coupled with technologies for sample fractionation and automated data analysis, provides such a versatile and powerful platform. In this chapter we offer a view on the current state of MS-proteomics, and focus on emerging technologies within three areas: (1) New instrumental methods; (2) New computational methods for peptide identification; and (3) Label-free quantification. These emerging technologies should be valuable for researchers seeking to better understand biological effects of radiation on living systems.

Original languageEnglish (US)
Pages (from-to)1-35
Number of pages35
JournalAdvances in Experimental Medicine and Biology
Volume990
DOIs
StatePublished - Jun 20 2013

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