Abstract
HPLC has emerged as a valuable tool for separating proteins. To address the analysis of complex proteomes and quantitative changes of proteins therein, we developed a multidimensional LC (MDLC)-based approach followed by large gel 1-D SDS-PAGE. Here we present a novel strategy that allows for simultaneously identifying and quantifying differentially regulated proteins following three separation and fractionation steps. This MDLC platform integrates advantages of dual protein labelling using both fluorescence and isotope-coded tags for subsequent detection and quantification of abundance ratios of proteins by MS.
- &
- chromatography
- dyes/*chemistry,isotope
- gel,fluorescence,fluorescent
- high
- labeling/*methods,isotopes/chemistry,mass
- liquid/*methods,electrophoresis
- of
- polyacrylamide
- pressure
- purification,proteomics/*methods,reproducibility
- results,to_read
- spectrometry,proteome/analysis/chemistry/*isolation
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