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Related Experiment Videos

[Proteomic analysis: why and how ?].

A S Vercoutter-Edouart1, J P Peyrat, J Lemoinen

  • 1Laboratoire de chimie biologique, UMR 111, Université des sciences et technologies de Lille, 59655 Villeneuve-d'Ascq.

Bulletin Du Cancer
|August 10, 2001
PubMed
Summary

Proteomic analysis studies all proteins expressed by a genome, aiding gene expression regulation insights. This field uses electrophoresis, mass spectrometry, and bioinformatics for biological marker and therapeutic target discovery.

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Area of Science:

  • Proteomics and Molecular Biology

Context:

  • The proteome encompasses all proteins expressed by a biological system at a specific time.
  • Understanding protein expression and post-translational modifications is crucial for biological research.

Purpose:

  • To describe the regulation of gene expression through the study of proteins and their modifications.
  • To introduce the core technologies enabling proteomic analysis.

Summary:

  • Proteomic analysis involves three key technologies: 2D electrophoresis for protein separation, mass spectrometry for polypeptide characterization and modification analysis, and bioinformatics for quantification and database creation.
  • This comprehensive approach allows for the detailed study of protein expression profiles.

Impact:

  • Proteomic analysis complements genomics, expanding its application in fundamental biology, biomedicine, and pharmacology.

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  • It facilitates the identification of novel biological markers and therapeutic targets, advancing disease understanding and treatment development.