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Related Experiment Video

Updated: May 30, 2026

Micropatterning and Assembly of 3D Microvessels
13:05

Micropatterning and Assembly of 3D Microvessels

Published on: September 9, 2016

Microparticles, vascular function, and atherothrombosis.

Pierre-Emmanuel Rautou1, Anne-Clémence Vion, Nicolas Amabile

  • 1Paris Centre de recherche Cardiovasculaire à l'HEGP, INSERM U970, 56, rue Leblanc, 75373 Paris cedex 15, France.

Circulation Research
|August 20, 2011
PubMed
Summary

Submicron microparticles (MPs) are key players in atherosclerosis, contributing to inflammation, plaque instability, and cardiovascular events. These circulating MPs may also predict disease severity and outcomes.

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A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
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Published on: February 7, 2015

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Last Updated: May 30, 2026

Micropatterning and Assembly of 3D Microvessels
13:05

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Published on: September 9, 2016

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology
09:33

A Methodological Approach to Non-invasive Assessments of Vascular Function and Morphology

Published on: February 7, 2015

Area of Science:

  • Cardiovascular Biology
  • Biomarkers
  • Pathophysiology

Background:

  • Membrane-shed submicron microparticles (MPs) are released during cell activation or apoptosis.
  • Elevated circulating MPs are observed in atherothrombotic diseases, indicating vascular injury.
  • MPs are abundant in atherosclerotic lesions, originating from various cell types.

Purpose of the Study:

  • To elucidate the multifaceted role of MPs in atherosclerosis development, progression, and complications.
  • To investigate MPs as potential biomarkers for vascular injury and cardiovascular event prediction.

Main Methods:

  • The study likely involved analyzing circulating and plaque-derived MPs in patients with cardiovascular diseases.
  • Methods may include flow cytometry, molecular assays, and histological analysis of atherosclerotic lesions.

Main Results:

  • Circulating MPs impair endothelial function by reducing nitric oxide synthesis.
  • Plaque MPs promote inflammation, angiogenesis, and local cell apoptosis, contributing to plaque instability.
  • MPs may enhance thrombus formation and also participate in postischemic neovascularization.

Conclusions:

  • MPs are critically involved in all stages of atherosclerosis, from initiation to complications.
  • MPs serve as significant biomarkers for vascular injury and predictors of adverse cardiovascular events.
  • Targeting MP-mediated pathways could offer novel therapeutic strategies for cardiovascular diseases.