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Updated: May 4, 2026

Development of a Neonatal Piglet Acute Lung Injury Model Recreating the Early Environment of Preterm Infant Lungs
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Development of a Neonatal Piglet Acute Lung Injury Model Recreating the Early Environment of Preterm Infant Lungs

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The thioredoxin system in neonatal lung disease

Trent E Tipple1

  • 11 Center for Perinatal Research, The Research Institute at Nationwide Children's Hospital , Columbus, Ohio.

Antioxidants & Redox Signaling
|December 17, 2013
PubMed

Insights

The thioredoxin (Trx) system regulates lung development. Preserving its function may prevent oxygen-induced lung injury and improve outcomes for premature infants with bronchopulmonary dysplasia (BPD).

Area of Science:

  • Neonatal physiology
  • Pulmonary medicine
  • Cellular redox biology

Background:

  • Fetal lung development occurs in hypoxia; premature birth introduces hyperoxia.
  • Bronchopulmonary dysplasia (BPD) is a common respiratory morbidity in premature infants, caused by lung injury including O2 toxicity.
  • The thioredoxin (Trx) system, an antioxidant and redox regulator, is expressed in newborn lung epithelia.

Purpose of the Study:

  • To review the role of thioredoxin (Trx) family proteins in normal and aberrant lung development.
  • To examine the Trx system's involvement in hyperoxic responses and BPD pathogenesis.
  • To explore the therapeutic potential of the Trx system in preventing oxygen-mediated lung injury.

Main Methods:

  • Review of literature on Trx system function in lung development.
  • Analysis of Trx system's role in hyperoxic injury models.
  • Investigation of Trx system's impact on signaling pathways in lung development.

Main Results:

  • The Trx system is crucial for normal lung development.
  • Aberrant Trx system function contributes to arrested lung development in BPD models.
  • The Trx system modulates O2-dependent signaling in alveolar epithelial cells.

Conclusions:

  • The Trx system significantly contributes to redox regulation essential for lung development.
  • Therapeutic strategies targeting pulmonary Trx function may improve outcomes for premature infants.
  • Preserving Trx function could mitigate O2-mediated lung injury and BPD progression.
Abstract

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