Related Experiment Video
Updated: Mar 2, 2026
Glycomics-Guided Glycoproteomics Facilitates Comprehensive Profiling of the Glycoproteome in Complex Tumor Microenvironments
Published on: February 7, 2025
Glycoproteomics: A Balance between High-Throughput and In-Depth Analysis
Yang Yang1, Vojtech Franc1, Albert J R Heck1
1Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, University of Utrecht, Padualaan 8, 3584 CH Utrecht, The Netherlands; Netherlands Proteomics Center, Padualaan 8, 3584 CH Utrecht, The Netherlands.
Glycoproteomics, the study of glycoproteins, benefits from new mass spectrometry (MS) methods. Protein-centric approaches and high-resolution native MS offer deeper insights into complex glycoforms for better functional understanding.
Area of Science:
- Biochemistry
- Analytical Chemistry
- Molecular Biology
Background:
- Glycoproteomics, a key part of proteomics, studies proteins with attached carbohydrates (glycoproteins).
- Current mass spectrometry (MS)-based methods analyze either released glycans or digested glycopeptides.
- These methods face limitations due to the extensive structural diversity (microheterogeneity) of glycoproteins.
Purpose of the Study:
- To discuss recent advancements in glycoproteomics, focusing on protein-centric strategies.
- To highlight the need for methods enabling comprehensive characterization of all distinct glycoforms.
- To improve the functional understanding of the glycoproteome.
Main Methods:
- Review of recent progress in protein-centric glycoproteomics approaches.
- Emphasis on high-resolution native mass spectrometry (MS) for glycoform profiling.
- Proposal for integrating data from glycan, glycopeptide, and glycoprotein levels.
Main Results:
- Protein-centric approaches, especially high-resolution native MS, show promise for detailed glycoform analysis.
- These advanced MS techniques can reveal the glycoform profile of glycoproteins more effectively.
- Integrating multi-level MS data enhances the depth of glycoproteome characterization.
Conclusions:
- Advanced MS techniques are crucial for overcoming limitations in current glycoproteomics.
- High-resolution native MS offers a powerful tool for analyzing glycoprotein heterogeneity.
- A combined, multi-level MS approach is proposed for a holistic understanding of the glycoproteome.
