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Related Concept Videos

Protein Glycosylation01:25

Protein Glycosylation

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Glycosylation, the most common post-translational modification for proteins, serves diverse functions. Adding sugars to proteins makes the proteins more resistant to proteolytic digestion. Glycosylated proteins can act as markers and receptors to promote cell-cell adhesion. Additionally, they have many essential quality control functions in the cell, such as correct protein folding and facilitating transport of misfolded proteins to the cytosol, which can be degraded.
Glycosylation occurs in...
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Proteomics01:33

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A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
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Related Experiment Video

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

Hu Zhao1, Yaojun Li1, Ye Hu2

  • 1Department of Nanomedicine, Houston Methodist Research Institute, Houston, TX 77030, USA.

Clinical Proteomics
|June 19, 2014
PubMed
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Nanotechnology enhances glycopeptide detection for biomarker discovery in diseases like cancer. This approach improves sensitivity and specificity in mass spectrometry analysis, aiding early diagnosis and understanding of disease pathways.

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Area of Science:

  • Biochemistry and Proteomics
  • Nanotechnology Applications in Medicine
  • Biomarker Discovery

Background:

  • Protein glycosylation is a key post-translational modification linked to various diseases.
  • Glycopeptides are crucial for understanding cancer, inflammatory, and degenerative diseases.
  • Low abundance and ionization of glycopeptides necessitate enrichment for mass spectrometry (MS) analysis.

Purpose of the Study:

  • To review recent advancements combining nanotechnology with glycoproteomics.
  • To highlight how nanotechnology enhances glycopeptide detection and characterization.
  • To underscore the role of nanotechnology in overcoming challenges in biomarker discovery.

Main Methods:

  • Review of studies integrating nanotechnology with glycoproteomics.
  • Focus on nanotechnologies enabling enhanced sensitivity and specificity in glycopeptide detection.
  • Analysis of mass spectrometry (MS) based characterization of enriched glycopeptides.

Main Results:

  • Nanotechnologies significantly improve the detection of glycopeptides in complex biological samples.
  • Enhanced sensitivity and specificity of glycopeptide identification using MS.
  • Improved intensity and resolution in glycopeptide characterization.

Conclusions:

  • Nanotechnology is vital for advancing glycoproteomics research.
  • Integration of nanotechnology overcomes technical hurdles in glycopeptide analysis.
  • This synergy is critical for effective biomarker discovery and disease diagnosis.