Cover Image

Isolation, characterization, and proteomic analysis of plasma-derived extracellular vesicles for cardiovascular biomarker discovery

Extracellular vesicles (EV) are cell-derived, lipid bilayer-enclosed, non-replicable nanoparticles. EV currently gain attention in cardiovascular research due to their role in regulating intercellular communication, potentially serving as valuable biomarkers for cardiovascular disease. However, the...

Full description

Saved in:
Bibliographic Details
Main Authors: Trauner, Gabriel Jakob (Author) , Bernáth-Nagy, Dominika (Author) , Kalinyaprak, Melek Sükran (Author) , Merker, Sabine (Author) , Luzarowski, Marcin (Author) , Leuschner, Florian (Author) , Frey, Norbert (Author) , Giannitsis, Evangelos (Author) , Krohn, Jona B. (Author)
Format: Article (Journal) Video
Language:English
Published: January 31st, 2025
In: JoVE. Video journal
Year: 2025, Issue: 215, Pages: ?
ISSN:1940-087X
DOI:10.3791/67083
Subjects:
Film
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3791/67083
Verlag, lizenzpflichtig, Volltext: https://app.jove.com/t/67083/isolation-characterization-proteomic-analysis-plasma-derived
Get full text
Author Notes:Gabriel Jakob Trauner, Dominika Bernath-Nagy, Melek Sükran Kalinyaprak, Sabine Merker, Marcin Luzarowski, Florian Leuschner, Norbert Frey, Evangelos Giannitsis, Jona Benjamin Krohn
Description
Summary:Extracellular vesicles (EV) are cell-derived, lipid bilayer-enclosed, non-replicable nanoparticles. EV currently gain attention in cardiovascular research due to their role in regulating intercellular communication, potentially serving as valuable biomarkers for cardiovascular disease. However, the EV proteome and its potential as a biomarker in cardiovascular diagnostics remain poorly understood. This protocol presents a standardized method for the isolation and quantification of plasma-derived EV and the analysis of their protein cargo using plasma samples from patients presenting to the Chest Pain Unit of a large university hospital. Following routine phlebotomy, EV are isolated from plasma by differential ultracentrifugation. The enrichment of specific EV marker proteins in EV isolates is visualized by immunoblotting, and average size distribution and plasma EV concentrations are quantified by nanoparticle tracking analysis. Finally, ultra-performance liquid chromatography-tandem mass spectrometry is employed for label-free analysis of the EV proteome. This protocol thus provides a comprehensive approach to study and use plasma-derived EV as potential carriers of critical biological information as well as to explore their potential as novel biomarkers.
Item Description:Enthält auch Textversionen
Gesehen am 23.10.2025
Wissenschaftlicher Film. Deutschland. 2025
Physical Description:Online Resource
ISSN:1940-087X
DOI:10.3791/67083

Similar Items