期刊
NATURE METHODS
卷 8, 期 8, 页码 655-U74出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NMETH.1647
关键词
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资金
- HepatoSys
- US National Institutes of Health [DK60837]
Despite progress in mass spectrometry (MS)-based phosphoproteomics, large-scale in vivo analyses remain challenging. Here we report a 'spike-in' stable-isotope labeling with amino acids in cell culture (SILAC) methodology using standards derived from labeled mouse liver cell lines, using which we analyzed insulin signaling. With this approach we identified 15,000 phosphosites and quantitatively compared 10,000 sites in response to insulin treatment, creating a very large, accurately quantified in vivo phosphoproteome dataset.
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