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Preparation of the Rat Vocal Fold for Neuromuscular Analyses
Published on: May 15, 2020
Cross-sample validation provides enhanced proteome coverage in rat vocal fold mucosa
Nathan V Welham1, Masaru Yamashita, Seong Hee Choi
1Department of Surgery, Division of Otolaryngology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, United States of America. welham@sugery.wisc.edu
Plos One
|March 23, 2011
Summary
Researchers characterized the rat vocal fold mucosa proteome using liquid chromatography-tandem mass spectrometry (LC-MS/MS). This study identified hundreds of mucosal proteins, including cellular and extracellular proteins, advancing vocal fold tissue analysis.
Area of Science:
- Biochemistry
- Proteomics
- Tissue Engineering
Background:
- Vocal fold mucosa is a unique biomechanical tissue.
- Extracellular matrix (ECM)-rich tissues present proteomic analysis challenges due to crosslinking and glycosylation.
Purpose of the Study:
- To characterize the rat vocal fold mucosa proteome.
- To develop a robust LC-MS/MS strategy for analyzing ECM-rich tissues.
Main Methods:
- Implemented a liquid chromatography-tandem mass spectrometry (LC-MS/MS) strategy.
- Developed a sample preparation protocol to solubilize proteins and glycoconjugates.
- Utilized a refined approach for handling single peptide identifications to retain low-abundance proteins.
Main Results:
- Successfully identified hundreds of mucosal proteins from rat vocal fold tissue.
- The vocal fold mucosa proteome includes a diverse range of cellular and extracellular proteins.
- The developed method effectively addressed challenges associated with ECM-rich tissue analysis.
Conclusions:
- The study provides a comprehensive characterization of the rat vocal fold mucosa proteome.
- The implemented LC-MS/MS strategy is effective for analyzing complex, ECM-rich biological samples.
- This work contributes to a better understanding of vocal fold tissue composition and biomechanics.
