Please use this identifier to cite or link to this item: https://doi.org/10.1038/srep14664
Title: Extracellular vesicles are rapidly purified from human plasma by PRotein Organic Solvent PRecipitation (PROSPR)
Authors: Gallart-Palau, X
Serra, A
Wong, A.S.W
Sandin, S
Lai, M.K.P 
Chen, C.P 
Kon, O.L
Sze, S.K
Keywords: biological marker
exosome
human
membrane microparticle
metabolism
precipitation
procedures
proteomics
ultracentrifugation
ultrastructure
Biomarkers
Cell-Derived Microparticles
Chemical Precipitation
Exosomes
Extracellular Vesicles
Humans
Proteomics
Ultracentrifugation
Issue Date: 2015
Publisher: Nature Publishing Group
Citation: Gallart-Palau, X, Serra, A, Wong, A.S.W, Sandin, S, Lai, M.K.P, Chen, C.P, Kon, O.L, Sze, S.K (2015). Extracellular vesicles are rapidly purified from human plasma by PRotein Organic Solvent PRecipitation (PROSPR). Scientific Reports 5 : 14664. ScholarBank@NUS Repository. https://doi.org/10.1038/srep14664
Rights: Attribution 4.0 International
Abstract: Extracellular vesicles (EVs) such as exosomes and microvesicles mediate intercellular communication and regulate a diverse range of crucial biological processes. Host cells that are damaged, infected or transformed release biomarker-containing EVs into the peripheral circulation, where they can be readily accessed for use in diagnostic or prognostic testing. However, current methods of EV isolation from blood plasma are complex and often require relatively large sample volumes, hence are inefficient for widespread use in clinical settings. Here, we report a novel and inexpensive method of rapidly isolating EVs from small volumes of human blood plasma by PRotein Organic Solvent PRecipitation (PROSPR). PROSPR encompasses a rapid three-step protocol to remove soluble proteins from plasma via precipitation in cold acetone, leaving the lipid-encapsulated EVs behind in suspension. This generates higher purity EVs that can then be obtained from filtration or classical ultracentrifugation methods. We foresee that PROSPR-based purification of EVs will significantly accelerate the discovery of new disease biomarkers and the characterization of EVs with potential for clinical applications.
Source Title: Scientific Reports
URI: https://scholarbank.nus.edu.sg/handle/10635/180433
ISSN: 2045-2322
DOI: 10.1038/srep14664
Rights: Attribution 4.0 International
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