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Updated: Mar 17, 2026
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CUBIC Protocol Visualizes Protein Expression at Single Cell Resolution in Whole Mount Skin Preparations
Published on: August 4, 2016
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An optimised method for the proteomic profiling of full thickness human skin
Emily Bliss1, Wendy E Heywood1, Malika Benatti2
1Centre for Translational Omics, UCL Institute of Child Health, 30 Guilford Street, London, WC1N 1EH UK.
Biological Procedures Online
|July 23, 2016
Summary
Researchers developed an optimized skin sample preparation method for proteomic analysis. This technique successfully identified over 2000 proteins in human skin, advancing skin research.
Area of Science:
- Proteomics
- Dermatology
- Biochemistry
Background:
- Skin serves as a crucial barrier against external factors.
- Skin proteomic datasets are scarce due to tissue complexity and protein properties.
- Traditional proteomic methods face challenges with skin's high lipid content and protein cross-linking.
Purpose of the Study:
- To optimize a sample preparation procedure for analyzing the human skin proteome.
- To enhance solubilization and mass spectral compatibility of full-thickness skin samples.
- To establish a comprehensive proteomic profile of human skin.
Main Methods:
- Optimized sample preparation for full-thickness skin.
- On-line two-dimensional liquid chromatography.
- Ultra-high definition label-free mass spectrometry analysis (UDMS(E)).
Main Results:
- Successfully obtained proteome profile data for full-thickness human skin.
- Identified over 2000 proteins from a single skin sample.
- Demonstrated improved solubilization and mass spectral compatibility.
Conclusions:
- On-line fractionation and optimized acquisition protocols significantly enhance protein identification scope.
- Ion mobility separation (IMS) technology is key to achieving a ten-fold increase in protein identifications.
- The developed method overcomes previous limitations in skin proteomic analysis.
