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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: Dec 13, 2025

Single-Cell Proteomics Preparation for Mass Spectrometry Analysis Using Freeze-Heat Lysis and an Isobaric Carrier

Single-Cell Proteomics Preparation for Mass Spectrometry Analysis Using Freeze-Heat Lysis and an Isobaric Carrier

Published on: December 9, 2022

Single-cell proteomic analysis.

Thai Pham¹, Ankush Tyagi¹, Yu-Sheng Wang¹

¹Biodesign Institute & School of Molecular Sciences, Arizona State University, Tempe, Arizona, USA.

Wires Mechanisms of Disease

|August 5, 2020

Summary

This summary is machine-generated.

Single-cell proteomic technologies enable detailed protein analysis in individual cells, overcoming limitations of bulk methods. These advancements are vital for understanding cell heterogeneity, disease, and developing new diagnostics.

Keywords:

imaging mass spectrometry microchip systems biology

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

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Published on: April 21, 2022

Area of Science:

Molecular and Cellular Physiology
Biotechnology
Biomedical Sciences

Background:

Comprehensive protein profiling at the single-cell level is essential for understanding biological systems and disease.
Traditional bulk assays obscure cellular heterogeneity, while current single-cell imaging has limited multiplexing capabilities.

Purpose of the Study:

To review recent advancements in single-cell proteomic technologies.
To discuss their advantages, limitations, and potential solutions.
To highlight their broad applications in biology and medicine.

Main Methods:

Review of emerging single-cell proteomic technologies including microchip-, mass spectrometry-, and reiterative staining-based approaches.
Analysis of the capabilities and limitations of these novel techniques.

Main Results:

Recent technological breakthroughs allow for comprehensive protein profiling in individual cells.
These methods offer significant improvements over conventional bulk and imaging techniques.

Conclusions:

Single-cell proteomic technologies are poised to revolutionize biological and biomedical research.
They offer new insights into signaling networks, cell heterogeneity, tissue architecture, and disease diagnosis/monitoring.