Advances in technologies and biological applications of 18O labeling strategies in LC-MS based proteomics: An updated review

Ning Liu*, Lichun Zhao, Chengyan He, Zongwei CAI

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

5 Citations (Scopus)

Abstract

A number of stable isotope labeling techniques have been developed and have become the most prospective approaches in the realm of shotgun differential proteomics, where mass spectrometry is often coupled with liquid chromatography for better sensitivity, efficiency and specificity. Among these stable isotope labeling techniques, 18O labeling has received growing interest in the research community due to its simplicity and applicability. This review focuses on recent advances on methodologies regarding 18O labeling, such as the use of ultrasonic energy for rapid labeling, non-enzyme mediated 18O labeling, isotope precursors other than 18O water, and new tools for data processing, etc. Recent biological applications of 18O labeling on quantitative proteomics, especially profiling and quantifying several types of posttranslational modifications, are also discussed.

Original languageEnglish
Pages (from-to)22-34
Number of pages13
JournalCurrent Analytical Chemistry
Volume8
Issue number1
DOIs
Publication statusPublished - Jan 2012

Scopus Subject Areas

  • Analytical Chemistry

User-Defined Keywords

  • Msbased
  • Posttranslational modification

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