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Updated: Dec 16, 2025

Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
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Placental extracellular vesicles and pre-eclampsia.

Jessica Schuster1, Shi-Bin Cheng1, James Padbury1

  • 1Department of Pediatrics, Women and Infants Hospital of Rhode Island, Providence, RI, USA.

American Journal of Reproductive Immunology (New York, N.Y. : 1989)
|July 4, 2020
PubMed
Summary

Pre-eclampsia, a pregnancy hypertension disorder, involves abnormal placentation and impaired maternal-fetal communication. Extracellular vesicles (EVs) play a key role, with altered EVs in pre-eclampsia potentially driving disease mechanisms.

Keywords:
extracellular vesiclesplacentapre-eclampsia

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Cellular and Molecular Biology

Background:

  • Pre-eclampsia is a major cause of maternal morbidity and mortality, characterized by hypertension and organ dysfunction during pregnancy.
  • The exact cellular and molecular mechanisms of pre-eclampsia remain unclear, but abnormal placentation and impaired maternal blood flow are implicated.
  • Endoplasmic reticulum (ER) stress and impaired autophagy may contribute to systemic stress in pre-eclampsia.

Purpose of the Study:

  • To review the role of extracellular vesicles (EVs) in the maternal-fetal communication during pre-eclampsia.
  • To explore how EVs contribute to immune responses, inflammation, angiogenesis, and endothelial dysfunction in pre-eclampsia.
  • To highlight EVs as potential diagnostic or therapeutic targets for pre-eclampsia.

Main Methods:

  • This is a review article, synthesizing existing research on EVs and pre-eclampsia.
  • Literature search and analysis of studies investigating EV characteristics, cargo, and function in pre-eclampsia.
  • Focus on placental-derived EVs and their impact on maternal circulation and organ systems.

Main Results:

  • Circulating EVs are more abundant in pre-eclampsia patients compared to normal pregnancies.
  • Placental-derived EVs in pre-eclampsia exhibit altered protein and RNA content.
  • EVs are implicated in mediating immune responses, inflammation, and endothelial dysfunction in pre-eclampsia.

Conclusions:

  • Extracellular vesicles are crucial mediators of maternal-fetal communication and play a significant role in pre-eclampsia pathogenesis.
  • Altered EV cargo and function contribute to the systemic manifestations of pre-eclampsia, including inflammation and endothelial dysfunction.
  • Further research into EVs may offer novel diagnostic and therapeutic strategies for managing pre-eclampsia.