Journal ArticleDOI
In-gel digestion for mass spectrometric characterization of proteins and proteomes
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TLDR
This protocol is for the in-gel digestion of both silver and Coomassie-stained protein spots or bands and can be followed by MALDI-MS or LC-MS/MS analysis to identify proteins at sensitivities better than a few femtomoles of protein starting material.Abstract:
In-gel digestion of proteins isolated by gel electrophoresis is a cornerstone of mass spectrometry (MS)-driven proteomics. The 10-year-old recipe by Shevchenko et al. has been optimized to increase the speed and sensitivity of analysis. The protocol is for the in-gel digestion of both silver and Coomassie-stained protein spots or bands and can be followed by MALDI-MS or LC-MS/MS analysis to identify proteins at sensitivities better than a few femtomoles of protein starting material.read more
Citations
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Dynamic changes in the mouse skeletal muscle proteome during denervation-induced atrophy.
Franziska Lang,Sriram Aravamudhan,Hendrik Nolte,Clara Türk,Soraya Hölper,Stefan Müller,Stefan Günther,Bert Blaauw,Thomas Braun,Marcus Krüger +9 more
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References
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Journal ArticleDOI
Mass Spectrometric Sequencing of Proteins from Silver-Stained Polyacrylamide Gels
TL;DR: Silver staining allows a substantial shortening of sample preparation time and may, therefore, be preferable over Coomassie staining, and this work removes a major obstacle to the low-level sequence analysis of proteins separated on polyacrylamide gels.
Journal ArticleDOI
Mass spectrometry-based proteomics
Ruedi Aebersold,Matthias Mann +1 more
TL;DR: The ability of mass spectrometry to identify and, increasingly, to precisely quantify thousands of proteins from complex samples can be expected to impact broadly on biology and medicine.
Journal ArticleDOI
Stable isotope labeling by amino acids in cell culture, SILAC, as a simple and accurate approach to expression proteomics.
Shao En Ong,Blagoy Blagoev,Irina Kratchmarova,Dan B. Kristensen,Hanno Steen,Akhilesh Pandey,Matthias Mann +6 more
TL;DR: SILAC is a simple, inexpensive, and accurate procedure that can be used as a quantitative proteomic approach in any cell culture system and is applied to the relative quantitation of changes in protein expression during the process of muscle cell differentiation.
Journal ArticleDOI
Stop and Go extraction tips for matrix-assisted laser desorption/ionization, nanoelectrospray, and lc/ms sample pretreatment in proteomics
TL;DR: A novel procedure in which a very small disk of beads embedded in a Teflon meshwork is placed as a microcolumn into pipet tips, finding that the Stage system is well-suited as a universal sample preparation system for proteomics.
Journal ArticleDOI
Mass spectrometry-based proteomics turns quantitative.
Shao En Ong,Matthias Mann +1 more
TL;DR: Two recently developed methodologies offer the opportunity to obtain quantitative proteomic information by comparing the signals from the same peptide under different conditions, and stable isotope labels facilitates direct quantification from the mass spectra.
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