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Fully Automated, Label-Free Isolation of Extracellular Vesicles from Whole Blood for Cancer Diagnosis and Monitoring

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dc.contributor.authorVijaya Sunkara-
dc.contributor.authorChi-Ju Kim-
dc.contributor.authorJuhee Park-
dc.contributor.authorHyun-Kyung Woo-
dc.contributor.authorDongyoung Kim-
dc.contributor.authorHong Koo Ha-
dc.contributor.authorMi-Hyun Kim-
dc.contributor.authorYoulim Son-
dc.contributor.authorJae-Ryong Kim-
dc.contributor.authorYoon-Kyoung Cho-
dc.date.available2019-07-19T05:39:17Z-
dc.date.created2019-04-22-
dc.date.issued2019-03-
dc.identifier.issn1838-7640-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/5893-
dc.description.abstractExtracellular vesicles (EVs) that circulate in body fluids possess significant potential for disease diagnosis. Their use in clinical settings, however, has been limited owing to lack of simple and robust isolation methods. To rectify this problem, a centrifugal device for automatic, fast, and efficient isolation of EVs from whole-blood, called Exodisc-B is presented in this paper. Methods: The device comprises a built-in chamber to facilitate plasma separation and two nanoporous filters-one for removing larger particles and the other for enriching EVs. The performance of the device in comparison to ultracentrifugation (UC) was evaluated by analyzing the yield, purity, protein and RNA content of the isolated EVs. Additionally, the EV protein marker expressions were measured by ELISA and statistically analyzed to differentiate prostate cancer patients from healthy donors. Results: Compared with the UC technique, the proposed device is capable of isolating at least an order of magnitude higher number of EVs with about 30-fold higher mRNA count within 40 min. Sandwich ELISA of EV-specific membrane proteins-CD9-CD81-confirmed that Exodisc-B can isolate EVs from a volume of whole blood as low as 30 mu L with a capture efficiency exceeding 75%. The device also facilitates temporal monitoring of tumor progression within live mouse xenograft models over a period of 13 weeks while using minimal volumes of weekly collected blood samples. Further, in ELISA analyses of multiple cancer-related proteins, such as prostate-specific antigen (PSA), prostate-specific membrane antigen (PSMA), epithelial cell adhesion molecule (EpCAM), epidermal growth factor receptor 1 (EGFR1), and heat shock protein 90 (HSP90), extracted from EVs isolated from human plasma, 43 patients were differentiated from 30 healthy donors. Conclusion: The results demonstrated the ability of Exodisc-B to provide a rapid, sensitive, and point-of-care-type method for extracting intact EVs from small volumes of clinical blood samples for disease diagnosis and monitoring. © Ivyspring International Publisher.-
dc.description.uri1-
dc.language영어-
dc.publisherIVYSPRING INT PUBL-
dc.subjectextracellular vesicles-
dc.subjectliquid biopsy-
dc.subjectlab-on-a-disc-
dc.subjectsize-based filtration-
dc.subjectELISA-
dc.titleFully Automated, Label-Free Isolation of Extracellular Vesicles from Whole Blood for Cancer Diagnosis and Monitoring-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000461767700003-
dc.identifier.scopusid2-s2.0-85065492673-
dc.identifier.rimsid67897-
dc.contributor.affiliatedAuthorVijaya Sunkara-
dc.contributor.affiliatedAuthorChi-Ju Kim-
dc.contributor.affiliatedAuthorJuhee Park-
dc.contributor.affiliatedAuthorHyun-Kyung Woo-
dc.contributor.affiliatedAuthorDongyoung Kim-
dc.contributor.affiliatedAuthorYoon-Kyoung Cho-
dc.identifier.doi10.7150/thno.32438-
dc.identifier.bibliographicCitationTHERANOSTICS, v.9, no.7, pp.1851 - 1863-
dc.citation.titleTHERANOSTICS-
dc.citation.volume9-
dc.citation.number7-
dc.citation.startPage1851-
dc.citation.endPage1863-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusMODIFIED FOULING INDEX-
dc.subject.keywordPlusEXOSOMES-
dc.subject.keywordPlusHSP90-
dc.subject.keywordPlusHETEROGENEITY-
dc.subject.keywordPlusCELLS-
dc.subject.keywordAuthorextracellular vesicles-
dc.subject.keywordAuthorliquid biopsy-
dc.subject.keywordAuthorlab-on-a-disc-
dc.subject.keywordAuthorsize-based filtration-
dc.subject.keywordAuthorELISA-
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > 1. Journal Papers (저널논문)
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