A 96‐Well Ultrafiltration Approach for the High‐Throughput Proteome Analysis of Extracellular Vesicles Isolated From Conditioned Medium
ABSTRACT Extracellular vesicles (EVs), nanoscale vesicles that are secreted by cells, are critical mediators of intercellular communication and play a crucial role in diverse pathologies such as cancer development. Therefore, EVs are regarded as having high potential in the clinic, both for diagnost...
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| Format: | Article |
| Language: | English |
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Wiley
2025-07-01
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| Series: | Journal of Extracellular Vesicles |
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| Online Access: | https://doi.org/10.1002/jev2.70103 |
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| author | Jarne Pauwels Tessa Van de Steene Freya De Muyer Danaë De Pauw Femke Baeke Sven Eyckerman Kris Gevaert |
| author_facet | Jarne Pauwels Tessa Van de Steene Freya De Muyer Danaë De Pauw Femke Baeke Sven Eyckerman Kris Gevaert |
| author_sort | Jarne Pauwels |
| collection | DOAJ |
| description | ABSTRACT Extracellular vesicles (EVs), nanoscale vesicles that are secreted by cells, are critical mediators of intercellular communication and play a crucial role in diverse pathologies such as cancer development. Therefore, EVs are regarded as having high potential in the clinic, both for diagnostic and therapeutic applications. Unfortunately, EVs reside in complex biofluids and their consistent preparation at sufficient purity for mass spectrometry‐based proteomics has proven to be challenging, especially when increased high‐throughput is required. Here, we describe the incorporation of our previously reported filter‐aided EV enrichment (FAEVEr) strategy for the separation of EVs from conditioned medium, from harvest to proteomic analysis completely to a streamlined 96‐well format. We compared our approach with ultracentrifugation, the most widely used method for EV enrichment, in terms of protein identifications, consistency, reproducibility and overall performance, including the invested time, resources and required expertise. In addition, our results show that including relative high percentages of Tween‐20, a mild detergent, markedly improves the final purity of the EV proteome by removing the bulk of non‐EV proteins (e.g., serum proteins) and significantly increases the number of identified transmembrane proteins. Moreover, our FAEVEr 96‐well strategy improves the overall reproducibility with a consistent number of protein identifications and decreased number of missing values across replicates. This promotes the validity and comparability between results, which is essential in both a clinical and research setting, where consistency is paramount. |
| format | Article |
| id | doaj-art-dd644deff854404bb40fc9ea7712dd3c |
| institution | Kabale University |
| issn | 2001-3078 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Extracellular Vesicles |
| spelling | doaj-art-dd644deff854404bb40fc9ea7712dd3c2025-08-20T03:34:30ZengWileyJournal of Extracellular Vesicles2001-30782025-07-01147n/an/a10.1002/jev2.70103A 96‐Well Ultrafiltration Approach for the High‐Throughput Proteome Analysis of Extracellular Vesicles Isolated From Conditioned MediumJarne Pauwels0Tessa Van de Steene1Freya De Muyer2Danaë De Pauw3Femke Baeke4Sven Eyckerman5Kris Gevaert6VIB‐UGent Center for Medical Biotechnology VIB Ghent BelgiumVIB‐UGent Center for Medical Biotechnology VIB Ghent BelgiumVIB‐UGent Center for Medical Biotechnology VIB Ghent BelgiumVIB‐UGent Center for Medical Biotechnology VIB Ghent BelgiumGhent University Expertise Center for Transmission Electron Microscopy and VIB BioImaging Core Ghent BelgiumVIB‐UGent Center for Medical Biotechnology VIB Ghent BelgiumVIB‐UGent Center for Medical Biotechnology VIB Ghent BelgiumABSTRACT Extracellular vesicles (EVs), nanoscale vesicles that are secreted by cells, are critical mediators of intercellular communication and play a crucial role in diverse pathologies such as cancer development. Therefore, EVs are regarded as having high potential in the clinic, both for diagnostic and therapeutic applications. Unfortunately, EVs reside in complex biofluids and their consistent preparation at sufficient purity for mass spectrometry‐based proteomics has proven to be challenging, especially when increased high‐throughput is required. Here, we describe the incorporation of our previously reported filter‐aided EV enrichment (FAEVEr) strategy for the separation of EVs from conditioned medium, from harvest to proteomic analysis completely to a streamlined 96‐well format. We compared our approach with ultracentrifugation, the most widely used method for EV enrichment, in terms of protein identifications, consistency, reproducibility and overall performance, including the invested time, resources and required expertise. In addition, our results show that including relative high percentages of Tween‐20, a mild detergent, markedly improves the final purity of the EV proteome by removing the bulk of non‐EV proteins (e.g., serum proteins) and significantly increases the number of identified transmembrane proteins. Moreover, our FAEVEr 96‐well strategy improves the overall reproducibility with a consistent number of protein identifications and decreased number of missing values across replicates. This promotes the validity and comparability between results, which is essential in both a clinical and research setting, where consistency is paramount.https://doi.org/10.1002/jev2.70103300 kDa MWCO 96‐well ultrafiltrationconditioned mediumproteomicsTween‐20 |
| spellingShingle | Jarne Pauwels Tessa Van de Steene Freya De Muyer Danaë De Pauw Femke Baeke Sven Eyckerman Kris Gevaert A 96‐Well Ultrafiltration Approach for the High‐Throughput Proteome Analysis of Extracellular Vesicles Isolated From Conditioned Medium Journal of Extracellular Vesicles 300 kDa MWCO 96‐well ultrafiltration conditioned medium proteomics Tween‐20 |
| title | A 96‐Well Ultrafiltration Approach for the High‐Throughput Proteome Analysis of Extracellular Vesicles Isolated From Conditioned Medium |
| title_full | A 96‐Well Ultrafiltration Approach for the High‐Throughput Proteome Analysis of Extracellular Vesicles Isolated From Conditioned Medium |
| title_fullStr | A 96‐Well Ultrafiltration Approach for the High‐Throughput Proteome Analysis of Extracellular Vesicles Isolated From Conditioned Medium |
| title_full_unstemmed | A 96‐Well Ultrafiltration Approach for the High‐Throughput Proteome Analysis of Extracellular Vesicles Isolated From Conditioned Medium |
| title_short | A 96‐Well Ultrafiltration Approach for the High‐Throughput Proteome Analysis of Extracellular Vesicles Isolated From Conditioned Medium |
| title_sort | 96 well ultrafiltration approach for the high throughput proteome analysis of extracellular vesicles isolated from conditioned medium |
| topic | 300 kDa MWCO 96‐well ultrafiltration conditioned medium proteomics Tween‐20 |
| url | https://doi.org/10.1002/jev2.70103 |
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