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Proteomics: advanced technology for the analysis of cellular function.

Nobuhiro Takahashi1, Hiroyuki Kaji, Mitsuaki Yanagida

  • 1Department of Applied Biological Science, Faculty of Agriculture, United Graduate School of Agriculture, Tokyo University of Agriculture & Technology, Fuchu-shi, Tokyo 183-8509, Japan. ntakahas@cc.tuat.ac.jp

The Journal of Nutrition
|May 29, 2003
PubMed
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This summary is machine-generated.

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Proteomics uses advanced mass spectrometry to identify thousands of proteins and analyze differential expression. This technology aids in studying protein interactions and assessing amino acid adequacy and safety.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Proteomics

Background:

  • Proteomics has evolved from 2D gel electrophoresis to sophisticated mass spectrometry techniques.
  • Advancements allow for high-throughput identification and quantification of proteins.

Purpose of the Study:

  • To highlight the capabilities of modern proteomics.
  • To demonstrate its application in analyzing differential protein expression and interactions.
  • To suggest its utility in nutritional assessments.

Main Methods:

  • Multidimensional chromatography coupled with mass spectrometry for protein identification.
  • Pull-down assays with mass spectrometric identification for studying protein interactions.

Main Results:

Related Experiment Videos

  • Thousands of proteins can be automatically identified daily with semiquantitative differential expression data.
  • Proteomics enables direct study of protein-protein interactions.

Conclusions:

  • Proteomics is a powerful tool for large-scale protein surveys and detailed functional relationship studies.
  • The approach is applicable to assessing amino acid adequacy and safety.