4.7 Article

High-yield isolation of extracellular vesicles using aqueous two-phase system

Journal

SCIENTIFIC REPORTS
Volume 5, Issue -, Pages -

Publisher

NATURE PUBLISHING GROUP
DOI: 10.1038/srep13103

Keywords

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Funding

  1. National Research Foundation of Korea (NRF) grant - Korea government (MSIP) [2011-0028845, 2011-0030075]
  2. KIST Institutional Program [2E23880-13-072]
  3. US Department of Education GAANN fellowship
  4. Microfluidics in Biomedical Sciences Training Grant [NIH T32 EB005582]
  5. National Research Foundation of Korea [2011-0028845] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Extracellular vesicles (EVs) such as exosomes and microvesicles released from cells are potential biomarkers for blood-based diagnostic applications. To exploit EVs as diagnostic biomarkers, an effective pre-analytical process is necessary. However, recent studies performed with blood-borne EVs have been hindered by the lack of effective purification strategies. In this study, an efficient EV isolation method was developed by using polyethylene glycol/dextran aqueous two phase system (ATPS). This method provides high EV recovery efficiency (similar to 70%) in a short time (similar to 15 min). Consequently, it can significantly increase the diagnostic applicability of EVs.

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