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Related Concept Videos

Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...

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Navigating the Mass Spectrometry-Based Proteomic Data Using Free Computational Tools
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Navigating the Mass Spectrometry-Based Proteomic Data Using Free Computational Tools

Published on: August 19, 2025

Advances in proteomic workflows for systems biology.

Johan Malmström1, Hookeun Lee, Ruedi Aebersold

  • 1Institute for Molecular Systems Biology, ETH Zürich, Switzerland.

Current Opinion in Biotechnology
|August 19, 2007
PubMed
Summary

Shotgun proteomics faces limitations in sensitivity and redundancy. Emerging targeted proteomics workflows offer improved accuracy and efficiency for biomarker discovery and systems biology research.

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Last Updated: Jul 13, 2026

Navigating the Mass Spectrometry-Based Proteomic Data Using Free Computational Tools
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JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics

Published on: October 19, 2021

Area of Science:

  • Proteomics
  • Analytical Chemistry
  • Biotechnology

Background:

  • Shotgun proteomics, utilizing liquid chromatography and tandem mass spectrometry, has dominated proteomic research for a decade.
  • This approach faces inherent limitations, including reduced sensitivity and significant data redundancy.
  • New methods are essential to advance the field and address these challenges.

Purpose of the Study:

  • To summarize recent advancements in shotgun proteomics.
  • To outline the development and potential of emerging targeted proteomics workflows.
  • To highlight the importance of targeted approaches for future research applications.

Main Methods:

  • Review of incremental advances in established shotgun proteomic techniques.
  • Description of emerging targeted proteomics workflows.
  • Discussion of selective peptide isolation, identification, and quantification strategies.

Main Results:

  • Shotgun proteomics has been a central technique but requires improvement.
  • Targeted proteomics methods show promise in overcoming current limitations.
  • These new methods enable detection and quantification of specific protein sets.

Conclusions:

  • Targeted proteomics workflows are crucial for advancing biomarker discovery and validation.
  • The ability to analyze non-redundant protein sets is vital for systems biology research.
  • Further development of target-driven approaches will significantly impact biological research.