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Chapter title |
Simultaneous Two-Dimensional Difference Gel Electrophoresis (2D-DIGE) Analysis of Two Distinct Proteomes.
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Chapter number | 17 |
Book title |
Multiplex Biomarker Techniques
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Published in |
Methods in molecular biology, January 2017
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DOI | 10.1007/978-1-4939-6730-8_17 |
Pubmed ID | |
Book ISBNs |
978-1-4939-6729-2, 978-1-4939-6730-8
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Authors |
Adriano Aquino, Paul C. Guest, Daniel Martins-de-Souza |
Editors |
Paul C. Guest |
Abstract |
This chapter describes the basics, applications, and limitations of two-dimensional gel electrophoresis (2DE) and two-dimensional difference gel electrophoresis (2D-DIGE) for multiplex analysis of distinct proteomes. We also propose a basic protocol for 2D-DIGE, technique that allows the analysis of paired protein extracts, which are labeled with fluorescent Cy3 and Cy5 dyes and electrophoresed with a Cy2-labeled standard extract on the same 2DE gels. Scanning the gels at wavelengths specific for each dye allows direct overlay the two different proteomes and the differences in abundance of specific protein spots can be determined. |