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Proteomics

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...

Immunogold Electron Microscopy

Immunogold Electron Microscopy

Immunoelectron microscopy utilizes immunogold labeling of endogenous proteins with specific antibodies to detect and localize these proteins in cells and tissues. The procedure provides insights into the distribution and quantification of protein under different stimulation conditions offering clues about their functions. Conjugating highly electron-dense gold particles with primary or secondary antibodies allow antigen detection on and within cells, with high resolution and specificity.

Immunoprecipitation

Immunoprecipitation

Immunoprecipitation, or IP, is a widely used technique that employs protein-antibody interactions to isolate proteins or protein complexes in their native state for studying protein-protein interactions, quaternary structures, or supramolecular complexes. Various modifications of the technique, including chromatin IP, cross-linking IP, and fluorescence IP, are commonly used.
Chromatin Immunoprecipitation
Chromatin immunoprecipitation, also known as ChIP, is used to study protein-DNA or...

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Related Experiment Video

Updated: Jan 15, 2026

Utilizing a Comprehensive Immunoprecipitation Enrichment System to Identify an Endogenous Post-translational Modification Profile for Target Proteins

Published on: January 8, 2018

Immunoproteomics: The Evolution from Classical Methods to Emerging Techniques.

Kelly M Fulton¹, Susan M Twine²

¹Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON, Canada.

Methods in Molecular Biology (Clifton, N.J.)

|October 14, 2025

Summary

This summary is machine-generated.

Immunoproteomics advances antigen discovery by identifying peptides on immune cells. This field integrates genomics and proteomics for deeper insights into disease mechanisms and vaccine development.

Keywords:

Antibody Antigen Cancer Epitope Immunoproteomics Infectious disease MHC Mass spectrometry

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Area of Science:

Immunology
Proteomics
Genomics

Background:

Adaptive immune responses are driven by peptides presented on immune cells, originating from pathogens or cancerous cells.
Classical methods like ELISA and western blotting have limitations in identifying antigens, hindering discovery.
Advancements in genomics and proteomics enable novel analytical approaches for immune studies.

Purpose of the Study:

To provide an overview of immunoproteomics and related technologies.
To highlight the role of immunoproteomics in defining the repertoire of protein antigens recognized during disease.
To underscore the potential of immunoproteomics in advancing diagnostic and therapeutic applications.

Main Methods:

Immunoproteomics integrates diverse methodologies including gel-based and array-based techniques.
Mass spectrometry, DNA-based methods, and in silico modeling are key components of immunoproteomics.
These approaches facilitate the identification and quantification of antigenic peptides and proteins.

Main Results:

Immunoproteomics offers deeper insights into disease mechanisms and immune system dynamics.
The field accelerates biomarker discovery for various diseases.
It aids in the development of effective vaccines by identifying key antigens.

Conclusions:

Immunoproteomics is a rapidly evolving field crucial for understanding immune responses.
It overcomes limitations of traditional methods in antigen discovery.
This approach significantly advances diagnostic and therapeutic strategies in immunology.