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Related Concept Videos

Proteomics01:33

Proteomics

7.3K
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...
7.3K

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Updated: Jul 3, 2025

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

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What's new in single-cell proteomics.

Thy Truong1, Ryan T Kelly1

  • 1Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT 84602, United States.

Current Opinion in Biotechnology
|February 15, 2024
PubMed
Summary
This summary is machine-generated.

Single-cell proteomics (SCP) now analyzes thousands of proteins in single cells, driven by advanced methods and mass spectrometry. This review covers recent SCP progress and its applications in cancer research and biology.

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Area of Science:

  • Proteomics
  • Cellular Biology
  • Biochemistry

Background:

  • Single-cell proteomics (SCP) has seen significant advancements, enabling high-throughput protein analysis in individual mammalian cells.
  • Progress is fueled by maturing experimental designs, including label-free and multiplexed techniques, and optimized sample preparation.
  • Innovations in separation techniques, such as ultra-low-flow nanoLC, enhance sensitivity, throughput, and reproducibility.

Purpose of the Study:

  • To provide a critical review of recent advancements in the field of single-cell proteomics.
  • To highlight the key technological and methodological innovations driving SCP progress.
  • To discuss the expanding applications and future potential of SCP.

Main Methods:

  • Review of recent literature and technological developments in single-cell proteomics.
  • Analysis of advancements in experimental design, sample preparation, and separation techniques (e.g., nanoLC).
  • Discussion of the role of cutting-edge mass spectrometry platforms and data acquisition strategies.

Main Results:

  • SCP now allows for the analysis of thousands of proteins within single cells, significantly improving sensitivity and throughput.
  • Spatial proteomics at single-cell resolution is emerging as a powerful tool for studying cellular interactions and phenotypes.
  • Key drivers include improved label-free and multiplexed methods, optimized sample prep, and advanced mass spectrometry.

Conclusions:

  • Single-cell proteomics is rapidly evolving, offering unprecedented insights into cellular heterogeneity.
  • The integration of spatial information with proteomic data at the single-cell level holds immense promise.
  • SCP has broad and impactful applications in areas such as cancer research, biomarker discovery, and developmental biology.