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Related Experiment Video

Updated: Jun 28, 2026

Generation of Lymphocytic Microparticles and Detection of their Proapoptotic Effect on Airway Epithelial Cells
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Generation of Lymphocytic Microparticles and Detection of their Proapoptotic Effect on Airway Epithelial Cells

Published on: February 20, 2015

Endothelial microparticles in diseases.

Gilles N Chironi1, Chantal M Boulanger, Alain Simon

  • 1AP-HP, Hôpital Européen Georges Pompidou, Centre de Médecine Préventive Cardiovasculaire and Université René Descartes, Paris, France. gilles.chironi@brs.aphp.fr

Cell and Tissue Research
|November 8, 2008
PubMed
Summary

Endothelial microparticles (EMP) are cell fragments linked to vascular issues. Elevated EMP levels indicate endothelial dysfunction and increase risks for cardiovascular diseases and thrombosis.

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Isolation and Characterization of Microvesicles from Peripheral Blood
06:03

Isolation and Characterization of Microvesicles from Peripheral Blood

Published on: January 6, 2017

Area of Science:

  • Cardiovascular Biology
  • Cell Biology
  • Biomarkers

Background:

  • Microparticles are vesicles from cell membranes, indicating activation or injury.
  • Endothelial microparticles (EMP) are key indicators of endothelial dysfunction.
  • EMP play roles in inflammation, vascular injury, and thrombosis.

Purpose of the Study:

  • To highlight endothelial microparticles as crucial biomarkers.
  • To discuss the biological roles of EMP in vascular pathology.
  • To explore potential therapeutic strategies targeting EMP.

Main Methods:

  • Quantification and characterization of microparticles via phospholipid and protein analysis.
  • In vitro studies inducing EMP release using cytokines and apoptotic stimuli.
  • Observational studies measuring EMP levels in various pathological conditions.

Main Results:

  • EMP levels are elevated in acute coronary syndromes, hypertension, and thrombotic thrombocytopenic purpura.
  • EMP are associated with endothelial dysfunction in multiple sclerosis and lupus anticoagulant.
  • EMP can impair vasodilation, increase arterial stiffness, and promote thrombosis.

Conclusions:

  • EMP are significant markers of endothelial dysfunction and pro-thrombotic states.
  • Understanding EMP formation and clearance is vital for atherothrombosis treatment.
  • Further research into EMP biology may yield novel therapeutic targets.