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lüll Contributions of quantitative proteomics to understanding membrane microdomains Zheng YZ; Foster LJJ Lipid Res 2009[Oct]; 50 (10): 1976-85Membrane microdomains, e.g., lipid rafts and caveolae, are crucial cell surface organelles responsible for many cellular signaling and communication events, which makes the characterization of their proteomes both interesting and valuable. They are large cellular complexes comprised of specific proteins and lipids, yet they are simple enough in composition to be amenable to modern LC/MS/MS methods for proteomics. However, the proteomic characterization of membrane microdomains by traditional qualitative mass spectrometry is insufficient for distinguishing true components of the microdomains from copurifying contaminants or for evaluating dynamic changes in the proteome compositions. In this review, we discuss the contributions quantitative proteomics has made to our understanding of the biology of membrane microdomains.|*Proteomics[MESH]|Animals[MESH]|Chromatography, Liquid[MESH]|Humans[MESH]|Membrane Microdomains/*chemistry/*metabolism[MESH]|Tandem Mass Spectrometry[MESH] |