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Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
07:36

Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats

Published on: November 20, 2015

Effect of intrauterine infection on brain development and injury

Jing Zhao1, Yurong Chen, Yuxia Xu

  • 1Department of Neonatology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China; Department of Pediatrics, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China.

International Journal of Developmental Neuroscience : the Official Journal of the International Society for Developmental Neuroscience
|July 9, 2013
PubMed

Insights

Intrauterine infection and inflammation increase the risk of perinatal brain injury in infants. Further research is needed to identify effective neuroprotective strategies against this inflammation-triggered damage.

Area of Science:

  • Neuroscience
  • Neonatology
  • Immunology

Background:

  • Intrauterine infection/inflammation poses a significant risk for perinatal brain injury in both term and premature infants.
  • This risk may exceed that from intrapartum hypoxia-ischemia (HI).
  • Microbial agents including viruses, protozoa, and bacteria are implicated in this injury.

Purpose of the Study:

  • To elucidate the mechanisms of intrauterine infection-triggered brain injury.
  • To explore the role of inflammatory factors like cytokines in perinatal brain injury.
  • To identify potential neuroprotective measures for fetal neurologic outcome.

Main Methods:

  • Review of existing literature on intrauterine infection, inflammation, and perinatal brain injury.
  • Analysis of the role of cytokines and gene polymorphisms in neuroinflammation.
  • Examination of the synergistic effects of inflammation and hypoxia-ischemia (HI).

Main Results:

  • Inflammatory factors, particularly cytokines, play a central role in intrauterine infection-triggered brain injury.
  • Inflammation signals can cross the blood-brain barrier, initiating a neuroinflammatory response.
  • Cytokine gene polymorphisms are implicated in perinatal brain injury.
  • Inflammation and HI may act synergistically to exacerbate brain injury.

Conclusions:

  • Understanding the link between inflammation and adverse neurodevelopmental outcomes is ongoing.
  • Evidence for effective interventions to improve fetal neurologic outcome is limited.
  • Pharmacologic agents like magnesium sulfate, erythropoietin, and corticosteroids warrant further investigation as potential neuroprotective treatments.

Keywords:
Brain injuryCytokineFetusHypoxia–ischemiaInflammationIntrauterine infectionTORCH

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