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Updated: Jul 2, 2026
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Determining Cell-surface Expression and Endocytic Rate of Proteins in Primary Astrocyte Cultures Using Biotinylation
Published on: July 3, 2017
Biotinylation reagents for the study of cell surface proteins
1Mass Spectrometry Resource, Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, Republic of Ireland. giuliano.elia@ucd.ie
Proteomics
|September 4, 2008
Summary
The biotin-avidin interaction is a powerful tool for studying cell surface proteins. While effective for recovery and detection, releasing biotinylated molecules remains a challenge.
Area of Science:
- Biochemistry
- Molecular Biology
- Proteomics
Background:
- The avidin-biotin interaction is a highly stable, non-covalent bond widely used in biological and chemical applications.
- Biotinylation methods enable efficient recovery, immobilization, and detection of various molecules, especially proteins.
Purpose of the Study:
- To review the biotin-avidin technology for cell surface protein analysis.
- To discuss reagents, techniques, and applications in quantitative proteomics.
Main Methods:
- Exploitation of the avidin-biotin interaction for molecular derivatization.
- Application of biotinylation for specific protein labeling and recovery.
- Utilizing avidin-based reagents for detection and immobilization.
Main Results:
- Advanced biotinylation techniques allow specific labeling of single membrane proteins.
- The technology facilitates the isolation of membrane receptors bound to ligands.
- The inherent stability of the avidin-biotin complex presents challenges for molecule release.
Conclusions:
- Biotin-avidin technology is crucial for sophisticated cell surface protein studies.
- Ongoing research aims to overcome the limitations of biotinylated molecule release.
- This technology significantly contributes to advancements in quantitative proteomics.
