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Proteomics goes quantitative: measuring protein abundance.

Hanno Steen1, Akhilesh Pandey

  • 1Department Cell Biology, Harvard Medical School, Boston, MA 02115, USA.

Trends in Biotechnology
|August 15, 2002
PubMed
Summary
This summary is machine-generated.

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Protein identification and quantification methods are rapidly advancing, matching DNA sequencing capabilities. These new protein-based techniques complement mRNA studies for a more comprehensive biological understanding.

Area of Science:

  • Proteomics and Molecular Biology

Background:

  • Established DNA sequencing methods offer high-throughput analysis.
  • Protein-based methodologies are increasingly sophisticated.

Purpose of the Study:

  • To highlight the advancements in protein identification and quantification.
  • To discuss the complementary role of protein analysis alongside mRNA studies.

Main Methods:

  • High-throughput automated protein identification using mass spectrometry.
  • Advanced methods for relative protein abundance quantitation.

Main Results:

  • Mass spectrometry now enables automated, high-throughput protein identification.
  • Protein quantitation techniques are becoming more advanced.

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Conclusions:

  • Protein-based methods are rapidly approaching the capabilities of DNA-based techniques.
  • Advanced protein quantitation complements mRNA gene expression monitoring.