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Related Experiment Video

Updated: Jun 5, 2026

Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas
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Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas

Published on: January 26, 2024

Microparticles and pregnancy complications.

Anat Aharon1, Benjamin Brenner

  • 1Thrombosis and Hemostasis Unit, Rambam Health Care Campus, Haifa, Israel; Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel. a_aharon@yahoo.com

Thrombosis Research
|January 26, 2011
PubMed
Summary
This summary is machine-generated.

Microparticles (MPs), cell membrane fragments, are linked to blood clots and inflammation. This review explores their controversial role in pregnancy complications like preeclampsia and fetal growth restriction.

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Published on: September 10, 2018

Area of Science:

  • Obstetrics and Gynecology
  • Hematology
  • Cell Biology

Background:

  • Microparticles (MPs) are cell membrane fragments implicated in thrombosis, inflammation, and endothelial dysfunction.
  • While normal pregnancy involves increased MPs, their specific origins and roles in complications remain debated.
  • Pregnancy is a hyper-coagulable state, and complications like preeclampsia are linked to placental dysfunction.

Purpose of the Study:

  • To review the role of microparticles in maternal-placental communication.
  • To elucidate the interplay between microparticles, thrombosis, and pregnancy complications.
  • To address the controversies surrounding MP prevalence, origin, and function in pregnancy.

Main Methods:

  • Literature review focusing on microparticle research in pregnancy.
  • Analysis of studies investigating MP levels, cell origin, and functional effects.
  • Synthesis of data on MP involvement in normal and complicated pregnancies.

Main Results:

  • Increased MP levels are observed in normal pregnancy, but their precise contribution is unclear.
  • MPs may contribute to pro-thrombotic and pro-inflammatory states relevant to pregnancy complications.
  • Evidence suggests MPs play a role in placental dysfunction and associated adverse outcomes.

Conclusions:

  • Microparticles are key mediators in maternal-placental crosstalk.
  • The pro-thrombotic and inflammatory roles of MPs are significant in pregnancy complications.
  • Further research is needed to clarify the exact mechanisms and clinical implications of MPs in obstetrics.