Abstract
Proteomics has increasingly become an invaluable tool to characterize proteomes from various subcellular compartments. Here, we describe a quantitative proteomics method using the technique of Stable Isotope Labeling by Amino acids in Cell culture (SILAC) to analyze the effects of HIV infection on host exosomal proteomes. The procedure, described below, involves differential isotope labeling of cells, exosome purification, mass spectrometric quantification, and various bioinformatic analyses/verifications. Although this chapter focuses on analyzing the effects of HIV-1 infection on the exosomal proteome, the protocol can easily be adapted to other subcellular compartments under different stress conditions.
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Acknowledgements
This work was supported by an ARRA supplement to the Lifespan/Tufts/Brown CFAR, P30AI042853-13S1, NIH P20GM103421, P01AA019072, R01HD072693 to BR. This work was also supported by Lifespan Pilot Research Fund (#701-5857), Rhode Island Foundation Medical Research Grant (#20133969), and NIH COBRE URI/RIH Pilot Research Grant (P20GM104317) to ML.
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Li, M., Ramratnam, B. (2016). Proteomic Characterization of Exosomes from HIV-1-Infected Cells. In: Prasad, V., Kalpana, G. (eds) HIV Protocols. Methods in Molecular Biology, vol 1354. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-3046-3_21
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DOI: https://doi.org/10.1007/978-1-4939-3046-3_21
Publisher Name: Humana Press, New York, NY
Print ISBN: 978-1-4939-3045-6
Online ISBN: 978-1-4939-3046-3
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