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Preterm pigs for preterm birth research: reasonably feasible.

Jing Sun1,2,3, Jie Chong1,2, Jinwei Zhang1,2,3

  • 1Chongqing Academy of Animal Sciences, Chongqing, China.

Frontiers in Physiology
|July 31, 2023
PubMed
Summary

Preterm birth impacts infant organ development. This review details animal models, focusing on pigs, to study preterm infant physiology and develop new treatments.

Keywords:
animal modelsapplicationgestational agepediatric diseasespostnatal developmentpreterm birthpreterm pigs

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Area of Science:

  • Perinatal Medicine
  • Developmental Biology
  • Comparative Physiology

Background:

  • Preterm birth significantly increases neonatal morbidity and mortality by disrupting organ development.
  • Large animal models are essential for developing and validating treatments for preterm infants.
  • Understanding the physiological development of preterm neonates is critical for improving survival rates.

Purpose of the Study:

  • To review preterm birth classifications, prevalence, and animal models.
  • To analyze the correlation between animal gestational age and human gestation.
  • To detail the physiological characteristics and applications of preterm pig models.

Main Methods:

  • Literature review of preterm birth definitions, prevalence, and animal models (mice, rats, rabbits, sheep, pigs).
  • Analysis of gestational age conversion between animal models and human years.
  • Detailed description of preterm pig physiology across different gestational ages.
  • Summary of pediatric applications of preterm pig models.

Main Results:

  • Established classification, definition, and prevalence of preterm birth.
  • Analyzed gestational age relationships in common animal models.
  • Provided comprehensive physiological data for preterm pig models at various stages.
  • Highlighted successful pediatric applications of preterm pig models.

Conclusions:

  • Preterm pig models offer valuable insights into preterm infant physiology and development.
  • These models are crucial for optimizing interventions like nutritional support and respiratory care.
  • Further research using preterm pig models can advance the treatment of preterm neonates.