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Related Concept Videos

Proteomics01:33

Proteomics

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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: Aug 28, 2025

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
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Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

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High-Throughput Plasma Proteomic Profiling.

Rajesh Kumar Soni1

  • 1Proteomics and Macromolecular Crystallography Shared Resource, Herbert Irving Comprehensive Cancer Center, New York, NY, USA. rs3869@cumc.columbia.edu.

Methods in Molecular Biology (Clifton, N.J.)
|September 20, 2022
PubMed
Summary
This summary is machine-generated.

We developed a high-throughput plasma proteome profiling workflow using 4D-Proteomics. This method enhances protein depth and accuracy for biomarker discovery in clinical settings.

Keywords:
BiomarkersHigh-throughputImmuno-depletionPASEFPlasmaSpectral librarySpectronautTimsTofProdiaPASEF

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Large Scale Non-targeted Metabolomic Profiling of Serum by Ultra Performance Liquid Chromatography-Mass Spectrometry UPLC-MS
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Area of Science:

  • Proteomics
  • Mass Spectrometry
  • Clinical Diagnostics

Background:

  • Plasma and serum are vital for clinical proteome profiling and biomarker discovery.
  • High-throughput plasma proteome analysis faces challenges due to protein abundance dynamic range and complexity.

Purpose of the Study:

  • To develop a convenient, high-throughput workflow for plasma proteome profiling.
  • To overcome challenges in quantitative mass spectrometry analysis of plasma proteins.

Main Methods:

  • Utilized immuno-depletion to remove high-abundance proteins from plasma.
  • Employed Bruker timsTOF Pro mass spectrometer with 4D-Proteomics (PASEF and diaPASEF).
  • Integrated depleted plasma directly into enzymatic digestion without further cleanup.

Main Results:

  • Achieved a robust, high-throughput, and reproducible workflow.
  • Significantly increased plasma proteome depth and accuracy.
  • Identified over 800 protein groups.

Conclusions:

  • The developed workflow is suitable for clinical proteome profiling and biomarker discovery.
  • 4D-Proteomics combined with immuno-depletion enhances plasma sample analysis.
  • This approach offers improved efficiency and depth for proteomic studies.