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Bettio, Valentina; Mazzucco, Eleonora; Antona, Annamaria; Cracas, Silvia; Varalda, Marco; Venetucci, Jacopo; Bruno, Stefania; Chiabotto, Giulia; Venegoni, Chiara; Vasile, Alessandra; Chiocchetti, Annalisa; Quaglia, Marco; Camussi, Giovanni; Cantaluppi, Vincenzo; Panella, Massimiliano; Rolla, Roberta; Manfredi, Marcello; Capello, Daniela

Extracellular vesicles from human plasma for biomarkers discovery: Impact of anticoagulants and isolation techniques

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  • Medientyp: E-Artikel
  • Titel: Extracellular vesicles from human plasma for biomarkers discovery: Impact of anticoagulants and isolation techniques
  • Beteiligte: Bettio, Valentina; Mazzucco, Eleonora; Antona, Annamaria; Cracas, Silvia; Varalda, Marco; Venetucci, Jacopo; Bruno, Stefania; Chiabotto, Giulia; Venegoni, Chiara; Vasile, Alessandra; Chiocchetti, Annalisa; Quaglia, Marco; Camussi, Giovanni; Cantaluppi, Vincenzo; Panella, Massimiliano; Rolla, Roberta; Manfredi, Marcello; Capello, Daniela
  • Erschienen: Public Library of Science (PLoS), 2023
  • Erschienen in: PLOS ONE
  • Sprache: Englisch
  • DOI: 10.1371/journal.pone.0285440
  • ISSN: 1932-6203
  • Schlagwörter: Multidisciplinary
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>Extracellular vesicles (EVs) isolated from plasma are increasingly recognized as promising circulating biomarkers for disease discovery and progression, as well as for therapeutic drug delivery. The scientific community underlined the necessity of standard operative procedures for the isolation and storage of the EVs to ensure robust results. The understanding of the impact of the pre-analytical variables is still limited and some considerations about plasma anticoagulants and isolation methods are necessary. Therefore, we performed a comparison study between EVs isolated by ultracentrifugation and by affinity substrate separation from plasma EDTA and sodium citrate. The EVs were characterized by Nano Tracking Analysis, Western Blot, cytofluorimetric analysis of surface markers, and lipidomic analysis. While anticoagulants did not significantly alter any of the analyzed parameters, the isolation methods influenced EVs size, purity, surface markers expression and lipidomic profile. Compared to ultracentrifugation, affinity substrate separation yielded bigger particles highly enriched in tetraspanins (CD9, CD63, CD81), fatty acids and glycerolipids, with a predominant LDL- and vLDL-like contamination. Herein, we highlighted that the isolation method should be carefully evaluated prior to study design and the need of standardized operative procedures for EVs isolation and application to biomarkers discovery.</jats:p>
  • Zugangsstatus: Freier Zugang