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Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
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Watermelon-Derived Extracellular Vesicles Influence Human Ex Vivo Placental Cell Behavior by Altering Intestinal

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Dietary plant extracellular vesicles (EVs) can positively influence placental function and fetal growth. This research shows watermelon EVs alter gut cell secretions, impacting placental cells and potentially reducing fetal growth restriction (FGR).

Keywords:
FGRinterkingdom communicationplantpregnancytrophoblast

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Area of Science:

  • Reproductive biology
  • Nutritional science
  • Cell biology

Background:

  • Placental function is crucial for nutrient transfer to the fetus.
  • Sub-optimal placental development can lead to fetal growth restriction (FGR), increasing risks for stillbirth and later-life diseases.
  • Maternal fruit and vegetable intake reduces FGR risk, but known nutrients don't fully explain this effect.

Purpose of the Study:

  • To investigate if dietary extracellular vesicles (EVs) can regulate placental function.
  • To explore the potential of plant-derived EVs in improving placental health and mitigating FGR.

Main Methods:

  • Characterized microRNA and protein cargo of EVs from watermelon.
  • Demonstrated in vitro internalization of EVs by human intestinal cells.
  • Analyzed alterations in the intestinal secretome using mass spectrometry.
  • Applied modified secretome to human placental cells and explants to assess effects on trophoblast behavior.

Main Results:

  • Watermelon EVs were actively internalized by intestinal cells.
  • EVs altered the intestinal secretome, impacting distal pathways.
  • The modified secretome affected placental trophoblast proteome, migration, and syncytialization.

Conclusions:

  • Dietary plant EVs can modulate intercellular communication between the gut and placenta.
  • Plant EVs offer a potential strategy to enhance placental function.
  • Harnessing plant EVs may provide novel approaches to reduce FGR rates.