期刊
PROTEOMICS
卷 5, 期 9, 页码 2315-2318出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pmic.200401267
关键词
biomarker; human urine; two-dimensional gel electrophoresis
There is an increasing interest in analysing the human urinary proteome in the search for biomarkers. However, despite the ease of its collection, urine is a difficult fluid to analyse by two-dimensional polyacrylamide gel electrophoresis (2-D PAGE) because of its dilute protein content and high salt levels. Here, we describe a method for high-throughput processing of urine for 2-D PAGE. Urine is filtered and applied to solid phase extraction columns. After washing, the urinary proteins are eluted and freeze dried. The lyophilised powder can then be resuspended in an appropriate buffer for downstream proteomic analysis.
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