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A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
08:50

A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development

Published on: June 24, 2020

Prenatal inflammation and lung development.

Boris W Kramer1, Suhas Kallapur, John Newnham

  • 1Department of kindergeneeskunde, Academisch ziekenhuis Maastricht, Postbus 5800, 6202 AZ Maastricht, The Netherlands.

Seminars in Fetal & Neonatal Medicine
|October 11, 2008
PubMed
Summary
This summary is machine-generated.

Prenatal inflammation, like chorioamnionitis, can alter fetal lung development and immune responses. This exposure may impact the risk of respiratory distress syndrome (RDS) and bronchopulmonary dysplasia (BPD) in infants.

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A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
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Published on: March 25, 2016

Area of Science:

  • Neonatal immunology
  • Fetal lung development
  • Perinatal medicine

Background:

  • Chronic chorioamnionitis, often involving mycoplasma and ureaplasma, frequently affects very low birth weight infants.
  • The link between chorioamnionitis and respiratory outcomes like respiratory distress syndrome (RDS) and bronchopulmonary dysplasia (BPD) is inconsistent.
  • Current diagnostic methods for chorioamnionitis and neonatal lung diseases lack precision, confounding established correlations.

Purpose of the Study:

  • To investigate the impact of prenatal inflammation on fetal lung development and immune system modulation.
  • To explore the relationship between prenatal chorioamnionitis and the risk of postnatal lung diseases in infants.
  • To understand how prenatal inflammatory exposures influence the maturation and function of fetal immune cells.

Main Methods:

  • Review of existing literature on chorioamnionitis and its effects on fetal lung development.
  • Analysis of animal models demonstrating the effects of pro-inflammatory mediators and ureaplasma on fetal lung maturation and injury.
  • Examination of studies involving intra-amniotic endotoxin administration to assess modulation of the fetal innate immune system.

Main Results:

  • Animal models show prenatal inflammation can induce lung maturation but also cause alveolar simplification and vascular injury.
  • Intra-amniotic endotoxin exposure can mature monocytes into alveolar macrophages.
  • Prenatal inflammation can lead to either induction or paralysis of inflammatory responses in the fetal immune system, depending on exposure history.

Conclusions:

  • Prenatal inflammation significantly affects fetal lung development and subsequent immune responses.
  • The precise impact of prenatal inflammation on neonatal respiratory health requires further investigation due to diagnostic limitations.
  • Understanding these prenatal effects is crucial for developing strategies to mitigate lung disease in high-risk infants.