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Related Concept Videos

Proteomics01:33

Proteomics

7.2K
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: Jun 4, 2025

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
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Proteomic Analysis of Biological Fluids.

Kyle Burk1, Kevin Legg2, Phillip Danielson3

  • 1Department of Environmental Toxicology, The University of California, Davis, Davis, CA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|December 23, 2024
PubMed
Summary
This summary is machine-generated.

Proteomic analysis of biological fluids using mass spectrometry provides insights into health and disease. This study presents a flexible workflow for processing diverse biological samples for advanced proteomic investigations.

Keywords:
Biological fluidBodily fluidForensic proteomicsPeptide biomarkerQuantitative proteomicsSalivaSemenSerumSexual assault evidenceUrineVaginal fluid

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Area of Science:

  • Biochemistry
  • Proteomics
  • Forensic Science

Background:

  • Biological fluids contain complex protein profiles reflecting cellular activity and health status.
  • These fluids are accessible for clinical, fertility, oral health, and forensic studies.
  • Mass spectrometry (MS) offers a dynamic range for analyzing diverse protein populations.

Purpose of the Study:

  • To present a flexible specimen processing workflow for biological fluids.
  • To enable proteomic analysis of various sample types and degradation levels.
  • To support both shotgun and targeted mass spectrometry-based analyses.

Main Methods:

  • A flexible specimen processing workflow for biological fluids.
  • Compatibility with various sample states (neat fluid, dried extracts).
  • Adaptability to different levels of sample degradation.

Main Results:

  • The workflow supports high-sensitivity shotgun liquid chromatography-mass spectrometry (LC/MS).
  • The method is suitable for targeted (qualitative or quantitative) MS analysis of biomarkers.
  • Enables proteomic profiling for diverse applications.

Conclusions:

  • The described method provides a versatile approach for biological fluid proteomic analysis.
  • Facilitates biomarker discovery and forensic investigations.
  • Enhances the utility of mass spectrometry in biological and clinical research.