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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...

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Related Experiment Video

Updated: Aug 24, 2025

The MPLEx Protocol for Multi-omic Analyses of Soil Samples

The MPLEx Protocol for Multi-omic Analyses of Soil Samples

Published on: May 30, 2018

Degradomics technologies in matrisome exploration.

Aleksander M Haack¹, Christopher M Overall², Ulrich Auf dem Keller¹

¹Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads, DK-2800 Kongens Lyngby, Denmark.

Matrix Biology : Journal of the International Society for Matrix Biology

|October 24, 2022

Summary

This summary is machine-generated.

The extracellular matrix (ECM) is a dynamic signaling hub, not just structural. Proteomics techniques, including degradomics, are crucial for understanding ECM changes in diseases like cancer and neurodegeneration.

Keywords:

Degradomics Extracellular matrix Matrisome Protease TAILS

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Last Updated: Aug 24, 2025

The MPLEx Protocol for Multi-omic Analyses of Soil Samples

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Published on: May 30, 2018

An Aquatic Microbial Metaproteomics Workflow: From Cells to Tryptic Peptides Suitable for Tandem Mass Spectrometry-based Analysis

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

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

Published on: November 15, 2017

Area of Science:

Biochemistry
Molecular Biology
Proteomics

Background:

The extracellular matrix (ECM) is vital for tissue homeostasis and cellular communication, acting as a dynamic signaling conduit.
Aberrant ECM signaling contributes to diseases such as cancer, inflammation, fibrosis, and neurodegeneration.
Understanding the matrisome and its alterations in disease is critical for therapeutic development.

Approach:

Liquid chromatography-mass spectrometry (LC-MS) proteomics is a key technology for protein and proteome research.
Degradomics, a subfield of proteomics, focuses on identifying protease substrates and networks by analyzing protease-generated neo-N termini (the N-terminome).
Various proteomics methods have been developed for characterizing ECM proteolytic cleavages, tailored for specific tissues, proteases, or throughput.

Key Points:

Proteomics, particularly LC-MS, has advanced significantly in sensitivity and throughput.
Degradomics enables the discovery of novel protease substrates within the ECM.
Characterizing ECM changes through proteomics aids in understanding disease mechanisms.

Conclusions:

State-of-the-art proteomics techniques are essential for characterizing ECM proteolytic cleavages.
These advanced methods drive new research and deepen our understanding of ECM and matrisome biology.
Such insights are fundamental for developing novel therapeutics targeting ECM-related pathologies.