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Related Concept Videos

Oligosaccharide Assembly01:24

Oligosaccharide Assembly

2.7K
Protein glycosylation starts in the ER lumen and continues in the Golgi apparatus. Glycosyltransferases catalyze the addition of sugar molecules or glycosylation of proteins. Usually, these enzymes add sugars to the hydroxyl groups of selected serine or threonine residues to form O-linked glycans or the amino groups of asparagine residues to form N-linked glycans. Different positions on the same polypeptide chain can contain differently linked glycans.
Multiple sugar molecules that may or may...
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Related Experiment Video

Updated: May 13, 2025

Glycomics-Guided Glycoproteomics Facilitates Comprehensive Profiling of the Glycoproteome in Complex Tumor Microenvironments
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Glycomics-Guided Glycoproteomics Facilitates Comprehensive Profiling of the Glycoproteome in Complex Tumor Microenvironments

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Accelerating the stride toward functional glycoproteomics.

Tim S Veth1, Nicholas M Riley1

  • 1Department of Chemistry, University of Washington, Seattle, WA, USA.

Trends in Biochemical Sciences
|May 10, 2025
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Summary
This summary is machine-generated.

Deep quantitative glycoprofiling (DQGlyco) enhances the study of glycoproteins. This new method improves glycoproteomic depth, aiding functional glycoproteomics research.

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Area of Science:

  • Biochemistry
  • Proteomics
  • Glycobiology

Background:

  • The glycoproteome's complexity and challenges in quantifying its regulation impede functional glycoproteomics.
  • Understanding glycoprotein function is crucial in various biological processes.

Purpose of the Study:

  • To introduce and validate the deep quantitative glycoprofiling (DQGlyco) method.
  • To demonstrate DQGlyco's ability to improve glycoproteomic depth for functional analysis.

Main Methods:

  • Development of the deep quantitative glycoprofiling (DQGlyco) technique.
  • Application of DQGlyco to analyze complex biological samples.

Main Results:

  • DQGlyco significantly enhances glycoproteomic depth compared to existing methods.
  • The improved depth facilitates more comprehensive interrogation of glycoprotein regulation.

Conclusions:

  • DQGlyco represents a significant advancement in quantitative glycoproteomics.
  • This method enables deeper insights into the functional roles of glycoproteins in biological systems.