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Related Experiment Video

Updated: Sep 8, 2025

Author Spotlight: Advancing the Analysis of Plasma Extracellular Vesicle Proteome for Cardiovascular Biomarker Studies
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Author Spotlight: Advancing the Analysis of Plasma Extracellular Vesicle Proteome for Cardiovascular Biomarker Studies

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Circulating Extracellular Vesicles Are Strongly Associated With Cardiovascular Risk Markers.

Ruihan Zhou1, Esra Bozbas1, Keith Allen-Redpath1

  • 1Hugh Sinclair Unit of Human Nutrition, Department of Food and Nutritional Sciences, University of Reading, Reading, United Kingdom.

Frontiers in Cardiovascular Medicine
|June 13, 2022
PubMed
Summary
This summary is machine-generated.

Circulating extracellular vesicles (EVs) are linked to cardiovascular disease (CVD) risk factors and clotting markers. Higher EV levels correlate with increased CVD risk, suggesting EVs may play a key role in disease development.

Keywords:
blood lipidsblood pressurecardiovascular risk markersextracellular vesiclesthrombin

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Area of Science:

  • Cardiovascular Research
  • Biomarker Discovery
  • Hemostasis and Thrombosis

Background:

  • Extracellular vesicles (EVs) are cell-derived vesicles with procoagulatory and prothrombotic properties.
  • EVs show potential as novel biomarkers for cardiovascular diseases (CVDs).
  • Limited data exists on the relationship between circulating EVs and established CVD risk markers.

Purpose of the Study:

  • To investigate associations between circulating EVs and conventional/thrombogenic CVD risk markers.
  • To explore the role of EVs in individuals at moderate risk of CVD.

Main Methods:

  • Recruited 40 subjects (aged 40-70) with moderate CVD risk.
  • Assessed BMI, blood pressure, lipid profile, platelet aggregation, clot formation, thrombin generation, and fibrinolysis.
  • Quantified circulating EV numbers using Nanoparticle Tracking Analysis and flow cytometry.

Main Results:

  • Circulating EV numbers positively correlated with BMI, blood pressure, triacylglycerol, and overall CVD risk.
  • Higher EV counts were linked to increased thrombin generation and clot formation.
  • EVs from subjects promoted thrombin generation ex vivo; endothelial-derived EVs correlated with clot lysis tendency.

Conclusions:

  • Circulating EVs are strongly associated with conventional and thrombogenic CVD risk markers.
  • EVs demonstrate a significant association with overall CVD risk.
  • These findings highlight the potential importance of EVs in the pathogenesis of cardiovascular diseases.