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Mass Spectrometry for O-GlcNAcylation.

Ruoting Yin1, Xin Wang1, Cheng Li1

  • 1Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, China.

Frontiers in Chemistry
|December 23, 2021
PubMed
Summary

O-linked N-acetylglucosamine modification (O-GlcNAcylation) is crucial in biological processes and disease. This review details mass spectrometry methods for profiling O-GlcNAcylation levels and functions.

Keywords:
O-GlcNAcO-GlcNAcylated proteinsO-GlcNAcylationisotope labelingmass spectrometryquali-quantitative charactering

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Proteomics

Background:

  • O-linked N-acetylglucosamine modification (O-GlcNAcylation) is a dynamic post-translational modification.
  • It plays significant roles in various biological processes and is implicated in numerous diseases when dysregulated.
  • Understanding O-GlcNAcylation is vital for elucidating cellular mechanisms and disease pathologies.

Purpose of the Study:

  • To provide a comprehensive overview of mass spectrometry-based methodologies.
  • To cover both qualitative and quantitative characterization of O-GlcNAcylation.
  • To highlight recent advancements in the field.

Main Methods:

  • Affinity enrichment techniques for O-GlcNAcylated proteins.
  • Metabolic labeling strategies for O-GlcNAcylation detection.
  • Chemical tagging approaches coupled with mass spectrometry (MS).

Main Results:

  • MS-based methods have significantly advanced the study of O-GlcNAcylation.
  • These techniques enable detailed profiling of O-GlcNAcylation at both qualitative and quantitative levels.
  • The review consolidates recent developments in MS methodologies for O-GlcNAcylation analysis.

Conclusions:

  • Mass spectrometry-based approaches are essential for characterizing O-GlcNAcylation.
  • These methods are crucial for understanding the functional roles and disease associations of O-GlcNAcylation.
  • The review serves as an updated resource for researchers in the field.