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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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Cell-Lineage Guided Mass Spectrometry Proteomics in the Developing Frog Embryo

Cell-Lineage Guided Mass Spectrometry Proteomics in the Developing Frog Embryo

Published on: April 21, 2022

Advances in stem cell proteomics.

Nade Abazova¹, Jeroen Krijgsveld²

¹German Cancer Research Center (DKFZ), Heidelberg, Germany; Excellence Cluster CellNetworks, Heidelberg University, Heidelberg, Germany; European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.

Current Opinion in Genetics & Development

|August 15, 2017

Summary

Proteomics, using advanced mass spectrometry, reveals key molecular changes in stem cell pluripotency. This research explores protein expression, localization, and interactions to understand stem cell plasticity.

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Area of Science:

Stem cell biology
Molecular and Cellular Proteomics

Background:

Stem cells drive organismal development through lineage differentiation.
Understanding pluripotency regulation is crucial for regenerative medicine and developmental biology.
Advanced techniques are needed to probe the complex molecular mechanisms of stem cell plasticity.

Purpose of the Study:

To review the application of quantitative proteomics in stem cell research.
To highlight how proteomics elucidates molecular principles of pluripotency.
To showcase the role of proteomics in studying stem cell behavior in vitro and in vivo.

Main Methods:

Quantitative proteomics techniques, including mass spectrometry.
Biochemical approaches to study protein expression, localization, interaction, and modification.
Integration of proteomics with other omics data.

Main Results:

Proteomics provides deep insights into protein dynamics during stem cell differentiation.
Quantitative data reveals changes in protein abundance and post-translational modifications.
Studies demonstrate protein localization shifts critical for lineage commitment.

Conclusions:

Quantitative proteomics is a powerful tool for dissecting stem cell pluripotency.
Proteomics complements other omics approaches for a holistic understanding of stem cell plasticity.
This review underscores the value of proteomics in advancing stem cell science.