With the proteasome emerging as a therapeutic target for cancer treatment, accurate tools for monitoring proteasome (inhibitor) activity are in demand. In this chapter, we describe the synthesis and use of a fluorescent proteasome activity probe that allows for accurate profiling of proteasomal activity in cell lysates, intact cells, and murine and human patient-derived material, with high sensitivity using SDS-PAGE. The probe allows for direct scanning of the gel for fluorescent emission of the distinct proteasomal subunits and circumvents the use of Western blot analysis. Due to its suitable biochemical and biophysical properties, the fluorescent probe can also be used for confocal laser scanning microscopy and flow cytometry-based experiments. © 2012 Springer Science+Business Media, LLC.
CITATION STYLE
De Jong, A., Schuurman, K. G., Rodenko, B., Ovaa, H., & Berkers, C. R. (2012). Fluorescence-based proteasome activity profiling. Methods in Molecular Biology, 803, 183–204. https://doi.org/10.1007/978-1-61779-364-6_13
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