Chapter title |
Protein Microarrays
|
---|---|
Chapter number | 14 |
Book title |
Protein Microarrays
|
Published in |
Methods in molecular biology, July 2011
|
DOI | 10.1007/978-1-61779-286-1_14 |
Pubmed ID | |
Book ISBNs |
978-1-61779-285-4, 978-1-61779-286-1
|
Authors |
Schröder, Christoph, Alhamdani, Mohamed S. S., Fellenberg, Kurt, Bauer, Andrea, Jacob, Anette, Hoheisel, Jörg D., Christoph Schröder, Mohamed S. S. Alhamdani, Kurt Fellenberg, Andrea Bauer, Anette Jacob, Jörg D. Hoheisel |
Abstract |
Antibody microarrays are a multiplexing technique for the analyses of hundreds of different analytes in parallel from small sample volumes of few microlitres only. With sensitivities in the picomolar to femtomolar range, they are gaining importance in proteomic analyses. These sensitivities can be obtained for complex protein samples without any pre-fractionation or signal amplification. Also, no expensive or elaborate protein depletion steps are needed. As with custom DNA-microarrays, the implementation of a dual-colour assay adds to assay robustness and reproducibility and was therefore a focus of our technical implementation. In order to perform antibody microarray experiments for large sets of samples and analytes in a robust manner, it was essential to optimise the experimental layout, the protein extraction, labelling and incubation as well as data processing steps. Here, we present our current protocol, which is used for the simultaneous analysis of the abundance of more than 800 proteins in plasma, urine, and tissue samples. |
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