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Related Concept Videos

Peptide Identification Using Tandem Mass Spectrometry01:33

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...
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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Related Experiment Video

Updated: Jun 8, 2026

Proteomic Profile of EPS-Urine through FASP Digestion and Data-Independent Analysis
14:48

Proteomic Profile of EPS-Urine through FASP Digestion and Data-Independent Analysis

Published on: May 8, 2021

Urinary proteome profiling using 2D-DIGE and LC-MS/MS.

Mark E Weeks1

  • 1Molecular Pathogenesis and Genetics Department, Veterinary Laboratories Agency (VLA-Weybridge), Surrey, UK.

Methods in Molecular Biology (Clifton, N.J.)
|September 15, 2010
PubMed
Summary
This summary is machine-generated.

Proteomic analysis aids cancer research by identifying biomarkers for early diagnosis and treatment monitoring. Two-dimensional difference in-gel electrophoresis (2D-DIGE) is a key method for analyzing cancer proteomes in various samples.

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Last Updated: Jun 8, 2026

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

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Area of Science:

  • Oncology
  • Proteomics
  • Biomarker Discovery

Background:

  • Proteomic methodologies are crucial in cancer research for identifying biomarkers.
  • These biomarkers aid in early diagnosis, monitoring cancer progression, and evaluating therapeutic efficacy.
  • Onco-proteomics offers potential for personalized cancer care.

Purpose of the Study:

  • To highlight the role of proteomic strategies in cancer research.
  • To emphasize the utility of 2D-DIGE in cancer proteome analysis.
  • To showcase the potential of onco-proteomics in clinical oncology.

Main Methods:

  • Utilizing proteomic strategies to study all expressed genes.
  • Employing 2D difference in-gel electrophoresis (2D-DIGE) for simultaneous sample comparison.
  • Labeling amino acid residues with cyanine dyes for separation by charge and mass.

Main Results:

  • 2D-DIGE enables comprehensive analysis of cancer proteomes.
  • The method is applicable to diverse biological specimens including tissues, cell lines, and bodily fluids.
  • Proteomic biomarkers can indicate cancer cell physiological states.

Conclusions:

  • Proteomics is vital for advancing cancer diagnostics and therapeutics.
  • 2D-DIGE has been a preferred method for cancer proteome analysis due to its advantages.
  • Onco-proteomics holds promise for individualized cancer treatment strategies.