Exploring affinity chromatography in proteomics: A comprehensive review

Area of Science:

• Proteomics
• Analytical Chemistry
• Molecular Biology

Background:

• The field of proteomics has rapidly advanced due to innovations in mass spectrometry, bioinformatics, and separation techniques.
• Affinity chromatography has become a fundamental technique in proteomic research since its inception.
• This method leverages specific molecular binding interactions for various proteomic applications.

Purpose of the Study:

• To provide a comprehensive review of affinity chromatography as an analytical tool in contemporary proteomics.
• To classify and organize the diverse applications of affinity separations within proteomics.
• To detail various ligands and experimental strategies employed in affinity-based proteomic studies.

Main Methods:

• Review and synthesis of existing literature on affinity chromatography in proteomics.
• Classification of affinity separation techniques based on experimental objectives and target molecule types.
• Discussion of different ligand types and experimental designs used in affinity chromatography.

Main Results:

• Affinity chromatography is a versatile technique with numerous applications in proteomics.
• Key applications include removal of abundant proteins, enrichment of biomarkers, and analysis of post-translational modifications and protein interactions.
• The review categorizes these applications to provide a structured overview.

Conclusions:

• Affinity chromatography is an indispensable and versatile technique in modern proteomics.
• Its strategic application significantly aids in biomarker discovery, protein interaction mapping, and understanding cellular molecular biology.
• This review offers a structured guide to its diverse methodologies and applications.