Title |
MS/MS library facilitated MRM quantification of native peptides prepared by denaturing ultrafiltration
|
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Published in |
Proteome Science, February 2012
|
DOI | 10.1186/1477-5956-10-7 |
Pubmed ID | |
Authors |
Juraj Lenco, Renny Lan, Nathan Edwards, Radoslav Goldman |
Abstract |
Naturally occurring native peptides provide important information about physiological states of an organism and its changes in disease conditions but protocols and methods for assessing their abundance are not well-developed. In this paper, we describe a simple procedure for the quantification of non-tryptic peptides in body fluids. The workflow includes an enrichment step followed by two-dimensional fractionation of native peptides and MS/MS data management facilitating the design and validation of LC- MRM MS assays. The added value of the workflow is demonstrated in the development of a triplex LC-MRM MS assay used for quantification of peptides potentially associated with the progression of liver disease to hepatocellular carcinoma. |
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Demographic breakdown
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