Related Experiment Video
Updated: Jun 8, 2026

10:37
Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification
Published on: November 15, 2017
Overview of quantitative LC-MS techniques for proteomics and activitomics
John F Timms1, Pedro R Cutillas
1Cancer Proteomics Laboratory, EGA Institute for Women's Health, University College London, London, UK.
Methods in Molecular Biology (Clifton, N.J.)
|September 15, 2010
Summary
Liquid chromatography-mass spectrometry (LC-MS) enables multiplex quantification of proteins, peptides, and metabolites. This technique is valuable for systems biology and understanding biochemical pathway activity.
Area of Science:
- Biochemistry
- Analytical Chemistry
- Systems Biology
Background:
- Liquid chromatography-mass spectrometry (LC-MS) is a versatile analytical technique.
- It is widely used for the quantification of proteins and peptides.
- LC-MS also plays a role in systems biology research.
Purpose of the Study:
- To review analytical techniques utilizing LC-MS for multiplex quantification.
- To discuss the quantification of proteins, post-translational modifications, and metabolites.
- To highlight LC-MS applications in assessing biochemical pathway activity.
Main Methods:
- Review of analytical techniques based on LC-MS.
- Focus on methods enabling multiplex quantification.
- Application in proteomics, metabolomics, and post-translational modification analysis.
Main Results:
- LC-MS facilitates simultaneous quantification of multiple analytes.
- The technique allows for the measurement of proteins, peptides, metabolites, and post-translational modifications.
- Demonstrates utility in systems biology for pathway activity assessment.
Conclusions:
- LC-MS is a powerful tool for multiplex quantification in biological research.
- It enables comprehensive analysis of proteins, modifications, and metabolites.
- Essential for advancing systems biology and understanding cellular functions.
Related Concept Videos
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...
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...
Peptide Identification Using Tandem Mass Spectrometry
Tandem mass spectrometry, also known as MS/MS or MS2, is an analytical technique that employs two mass analyzers. Essentially it is a series of mass spectrometers that helps isolate a particular biomolecule and then helps study its chemical properties.
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...
This technique helps gather information regarding the protein from which the peptide was obtained and to study the peptides’ amino acid sequence. Identifying peptides from a complex mixture is an important component of the growing field of...

