Journal Article


Monitoring the electroactive cargo of extracellular vesicles can differentiate various cancer cell lines

Abstract

Extracellular vesicles (EVs) are pivotal in cell-to-cell communication due to the array of cargo contained within these vesicles. EVs are considered important biomarkers for identification of disease, however most measurement approaches have focused on monitoring specific surface macromolecular targets. Our study focuses on exploring the electroactive component present within cargo from EVs obtained from various cancer and non-cancer cell lines using a disk carbon fiber microelectrode. Variations in the presence of oxidizable components were observed when the total cargo from EVs were measured, with the highest current detected in EVs from MCF7 cells. There were differences observed in the types of oxidizable species present within EVs from MCF7 and A549 cells. Single entity measurements showed clear spikes due to the detection of oxidizable cargo within EVs from MCF7 and A549 cells. These studies highlight the promise of monitoring EVs through the presence of varying electroactive components within the cargo and can drive a wave of new strategies towards specific detection of EVs for diagnosis and prognosis of various diseases.

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Authors

Miller, Chloe L.
Herrmann, Mareike
Carter, David R.F.
Turner, Nicholas
Samuel, Priya
Patel, Bhavik Anil

Oxford Brookes departments

Department of Biological and Medical Sciences

Dates

Year of publication: 2024
Date of RADAR deposit: 2024-03-21


Creative Commons License This work is licensed under a Creative Commons Attribution 4.0 International License


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