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Novel insights into the isolation of extracellular vesicles by anion exchange chromatography

Koch, Leon F. ; Best, Tatjana ; Wüstenhagen, Elena ; Adrian, Klaus ; Rammo, Oliver ; Saul, Meike J. (2024)
Novel insights into the isolation of extracellular vesicles by anion exchange chromatography.
In: Frontiers in Bioengineering and Biotechnology, 11
doi: 10.3389/fbioe.2023.1298892
Article, Bibliographie

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Abstract

Extracellular vesicles (EVs) are membrane structures enclosed by a lipid bilayer that are released into the extracellular space by all types of cells. EVs are involved in many physiological processes by transporting biologically active substances. Interest in EVs for diagnostic biomarker research and therapeutic drug delivery applications has increased in recent years. The realization of the full therapeutic potential of EVs is currently hampered by the lack of a suitable technology for the isolation and purification of EVs for downstream pharmaceutical applications. Anion Exchange Chromatography (AEX) is an established method in which specific charges on the AEX matrix can exploit charges on the surface of EVs and their interactions to provide a productive and scalable separation and purification method. The established AEX method using Eshmuno® Q, a strong tentacle anion exchange resin, was used to demonstrate the principal feasibility of AEX-based isolation and gain insight into isolated EV properties. Using several EV analysis techniques to provide a more detailed insight into EV populations during AEX isolation, we demonstrated that although the composition of CD9/63/81 remained constant for tetraspanin positive EVs, the size distribution and purity changed during elution. Higher salt concentrations eluted larger tetraspanin negative vesicles.

Item Type: Article
Erschienen: 2024
Creators: Koch, Leon F. ; Best, Tatjana ; Wüstenhagen, Elena ; Adrian, Klaus ; Rammo, Oliver ; Saul, Meike J.
Type of entry: Bibliographie
Title: Novel insights into the isolation of extracellular vesicles by anion exchange chromatography
Language: English
Date: 19 January 2024
Place of Publication: Lausanne
Publisher: Frontiers Media S.A.
Journal or Publication Title: Frontiers in Bioengineering and Biotechnology
Volume of the journal: 11
Collation: 16 Seiten
DOI: 10.3389/fbioe.2023.1298892
Corresponding Links:
Abstract:

Extracellular vesicles (EVs) are membrane structures enclosed by a lipid bilayer that are released into the extracellular space by all types of cells. EVs are involved in many physiological processes by transporting biologically active substances. Interest in EVs for diagnostic biomarker research and therapeutic drug delivery applications has increased in recent years. The realization of the full therapeutic potential of EVs is currently hampered by the lack of a suitable technology for the isolation and purification of EVs for downstream pharmaceutical applications. Anion Exchange Chromatography (AEX) is an established method in which specific charges on the AEX matrix can exploit charges on the surface of EVs and their interactions to provide a productive and scalable separation and purification method. The established AEX method using Eshmuno® Q, a strong tentacle anion exchange resin, was used to demonstrate the principal feasibility of AEX-based isolation and gain insight into isolated EV properties. Using several EV analysis techniques to provide a more detailed insight into EV populations during AEX isolation, we demonstrated that although the composition of CD9/63/81 remained constant for tetraspanin positive EVs, the size distribution and purity changed during elution. Higher salt concentrations eluted larger tetraspanin negative vesicles.

Uncontrolled Keywords: extracellular vesicles, ion-exchange chromatography, isolation, Eshmuno® Q, downstream processing, scalability, charge-based
Identification Number: Artikel-ID: 1298892
Additional Information:

This article is part of the Research Topic: Manufacturing of Next-Generation Biologics

Sec. Bioprocess Engineering

Classification DDC: 500 Science and mathematics > 570 Life sciences, biology
600 Technology, medicine, applied sciences > 610 Medicine and health
Divisions: 10 Department of Biology
10 Department of Biology > Extracellular vesicles / miRNA Research
Date Deposited: 05 Jun 2024 09:41
Last Modified: 05 Jun 2024 12:19
PPN: 518841987
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