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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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Maternal microbiota communicates with the fetus through microbiota-derived extracellular vesicles
Anna Kaisanlahti1,2, Jenni Turunen3,4, Nadiya Byts3,5
1Biocenter Oulu, University of Oulu, 90220, Oulu, Finland. anna.kaisanlahti@oulu.fi.
Microbiome
|November 12, 2023
Summary
Bacterial extracellular vesicles from the maternal gut microbiota can reach the fetal environment during pregnancy. These vesicles may influence the developing fetal immune system before birth.
Area of Science:
- Microbiology
- Immunology
- Pregnancy Research
Background:
- Limited data exists on bacteria in the fetal environment.
- Extracellular vesicles (EVs) from gut microbiota are a novel host-microbiota interaction.
- This study investigated bacterial EVs in the fetal environment during healthy pregnancies.
Discussion:
- Bacterial EVs were found in amniotic fluid of healthy pregnant women.
- These EVs resembled those from the maternal gut microbiota.
- In mice, maternal gut microbiota EVs reached the amniotic space.
Key Insights:
- Maternal gut microbiota communicates with the fetus via bacterial EVs.
- Bacterial EVs can cross biological barriers to reach the fetus.
- This interaction may prime the fetal immune system for postnatal gut colonization.
Outlook:
- Further research is needed to understand the precise role of bacterial EVs in prenatal immune development.
- Investigating the impact of bacterial EVs on fetal immune priming is crucial.
- This discovery opens new avenues for understanding maternal-fetal microbiome interactions.
Keywords:
Amniotic fluidExtracellular vesiclesFetal environmentFetal microbiotaGut microbiotaIntestineMore Related Videos
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