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Related Concept Videos

Proteomics01:33

Proteomics

8.8K
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...
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Related Experiment Video

Updated: Nov 11, 2025

2 in 1: One-step Affinity Purification for the Parallel Analysis of Protein-Protein and Protein-Metabolite Complexes
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Ultra-fast proteomics with Scanning SWATH.

Christoph B Messner1,2, Vadim Demichev1,2,3, Nic Bloomfield4

  • 1Molecular Biology of Metabolism Laboratory, The Francis Crick Institute, London, UK.

Nature Biotechnology
|March 26, 2021
PubMed
Summary
This summary is machine-generated.

Scanning SWATH, a novel data-independent acquisition method, accelerates mass spectrometry for faster, deeper proteomic quantification. This ultra-fast proteomics approach enhances drug screening and identifies new COVID-19 biomarkers.

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Area of Science:

  • Mass spectrometry-based proteomics
  • Analytical chemistry
  • Biomarker discovery

Background:

  • Accurate proteome quantification is challenging for large-scale and longitudinal studies.
  • Current methods limit throughput and depth for complex biological samples.

Purpose of the Study:

  • To introduce Scanning SWATH, an ultra-fast data-independent acquisition method for accelerated and deepened proteomic analysis.
  • To demonstrate the utility of Scanning SWATH in drug mode-of-action screening and clinical plasma proteomics.

Main Methods:

  • Development of Scanning SWATH, a data-independent acquisition technique utilizing continuous precursor window movement.
  • Integration with high-flow (800 µl/min) chromatography and short (0.5–5 min) gradients for accelerated mass spectrometry.
  • Application in drug screening assays and analysis of human plasma samples.

Main Results:

  • Scanning SWATH increased precursor identifications by ~70% compared to conventional data-independent acquisition methods.
  • Successfully captured the mode of action for fungistatic azoles and statins in drug screening.
  • Confirmed 43 and identified 11 new plasma proteome biomarkers associated with COVID-19 severity.

Conclusions:

  • Scanning SWATH significantly accelerates proteomic experiments while increasing analytical depth.
  • This method facilitates high-throughput proteomic drug screening and advances clinical biomarker discovery for diseases like COVID-19.