Proteomics

Dataset Information

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Isolation of extracellular vesicles by PROSPR

ABSTRACT: 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.

INSTRUMENT(S): LTQ Orbitrap Elite, Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Blood Plasma

SUBMITTER: Xavier Gallart Palau  

LAB HEAD: Siu Kwan Sze

PROVIDER: PXD002668 | Pride | 2015-10-05

REPOSITORIES: Pride

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Publications

Extracellular vesicles are rapidly purified from human plasma by PRotein Organic Solvent PRecipitation (PROSPR).

Gallart-Palau Xavier X   Serra Aida A   Wong Andrew See Weng AS   Sandin Sara S   Lai Mitchell K P MK   Chen Christopher P CP   Kon Oi Lian OL   Sze Siu Kwan SK  

Scientific reports 20150930

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 ineffic  ...[more]