Maternal factors associate with microbiota-derived extracellular vesicle profiles in pregnancy: a clinical cohort study - Report - MDSpire

Maternal factors associate with microbiota-derived extracellular vesicle profiles in pregnancy: a clinical cohort study

  • By

  • Jenni Turunen

  • Kaisu Kyrö

  • Janica Virta

  • Marko Suokas

  • Jenni Hekkala

  • Sonja Karikka

  • Anna Kaisanlahti

  • Justus Reunanen

  • Niko Paalanne

  • Mysore V. Tejesvi

  • Terhi Ruuska-Loewald

  • May 28, 2026

  • 0 min

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Clinical Report: Influence of Maternal Characteristics on Microbiota-Derived EVs

Overview

This study investigates how maternal factors influence the secretion of microbiota-derived extracellular vesicles (EVs) during pregnancy. Findings suggest that maternal characteristics significantly affect the profiles of these EVs in amniotic fluid and feces.

Background

Microbiota-derived EVs are important for host interactions and may play a role in fetal development. Understanding the influence of maternal factors on these EVs is crucial, as they could impact both maternal and fetal health during pregnancy. The study aims to elucidate the relationship between maternal microbiota and the secretion of EVs.

Data Highlights

No numerical data or trial data provided in the source material.

Key Findings

  • Microbiota-derived EVs are distinct entities from gut microbiota.
  • Maternal factors significantly influence the secretion of microbiota-derived EVs.
  • EVs can cross biological barriers and carry biomolecular cargo to the fetus.
  • Antibiotic use during pregnancy may affect maternal and fetal health outcomes.
  • Obesity in pregnant women can alter gut microbiota and its functions.

Clinical Implications

The findings highlight the importance of considering maternal health factors, such as obesity and antibiotic use, in relation to microbiota-derived EVs. This understanding may inform future research on maternal-fetal health interactions.

Conclusion

The study underscores the significant role of maternal characteristics in shaping the profiles of microbiota-derived EVs during pregnancy, which may have implications for fetal development.

Related Resources & Content

  1. Frontiers in Pediatrics, 2026 -- Impact of maternal fecal microbiota on the early development of neonatal gut microbial community
  2. Frontiers in Immunology, 2026 -- Editorial: Community series in the immunological role of the maternal microbiome in pregnancy, Volume II
  3. Frontiers in Immunology, 2026 -- Dynamic chemokine profiles in cervical mucus during healthy pregnancy: IP-10 and MIP-1β as potential biomarkers of gestational immune adaptation
  4. Open Forum Infectious Diseases -- Colonization in Mothers, Perinatal Transmission, and Neonatal Acquisition of Resistant Enterobacterales
  5. Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches
  6. A multi-platform assessment of extracellular vesicles from the plasma and urine of women with preeclampsia - PubMed
  7. Maternal microbiota communicates with the fetus through microbiota-derived extracellular vesicles - PMC
  8. Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches
  9. A multi-platform assessment of extracellular vesicles from the plasma and urine of women with preeclampsia - PubMed
  10. Maternal microbiota communicates with the fetus through microbiota-derived extracellular vesicles - PMC

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