Abstract
Pulse shape analysis (PulSA) is a flow cytometry-based method that involves the measurement of the pulse width and height of a fluorescently labeled molecule simultaneously, enabling a multidimensional analysis of protein localization in a cell at high speed and throughput. We have used the method to detect morphological changes in organelles such as Golgi fragmentation, track protein trafficking from the cell surface, and also discriminate cells with different target protein localizations such as the Golgi, lyso-endosomal network, and the plasma membrane. Here, we describe the basic experimental setup and analytical methods for performing PulSA to examine membrane trafficking processes. We illustrate in particular the application of PulSA for monitoring the trafficking of the membrane-bound enzyme furin and morphological changes to the Golgi caused by Brefeldin A.
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Acknowledgments
This work was supported by funding from the National Health and Medical Research Council of Australia and the Australian Research Council.
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Toh, W.H., Houghton, F.J., Chia, P.Z.C., Ramdzan, Y.M., Hatters, D.M., Gleeson, P.A. (2015). Application of Flow Cytometry to Analyze Intracellular Location and Trafficking of Cargo in Cell Populations. In: Tang, B. (eds) Membrane Trafficking. Methods in Molecular Biology, vol 1270. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-2309-0_17
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DOI: https://doi.org/10.1007/978-1-4939-2309-0_17
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