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Related Experiment Videos

In utero galactose intoxication in animals

S Segal1

  • 1Division of Biochemical Development and Molecular Diseases, Children's Hospital of Philadelphia, PA 19104, USA.

European Journal of Pediatrics
|January 1, 1995
PubMed
Summary

High galactose diets fed to pregnant rats caused developmental issues in fetuses and newborns, including cataracts and reduced brain development. These findings suggest potential in utero toxicity for human fetuses with galactosemia.

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Area of Science:

  • Biochemistry
  • Developmental Biology
  • Toxicology

Background:

  • Galactosemia is a genetic disorder affecting galactose metabolism.
  • In utero exposure to high galactose levels may impact fetal development.
  • Understanding these effects is crucial for managing galactosemia during pregnancy.

Purpose of the Study:

  • To investigate the in utero effects of high galactose exposure on fetal and newborn development in a rat model.
  • To examine the biochemical changes in the brain of offspring exposed to galactose during gestation.

Main Methods:

  • Pregnant rats were fed diets high in galactose.
  • Fetal and newborn offspring were examined for physical and neurological development.
  • Biochemical analysis of fetal blood, amniotic fluid, and brain tissue was performed.

Main Results:

  • Offspring exhibited cataracts, decreased brain weight, protein, and DNA content.
  • Elevated galactitol and decreased myo-inositol were found in the brains of newborns.
  • Reduced brain synaptosome response to acetylcholine was observed in offspring.

Conclusions:

  • Maternal high galactose diet leads to significant developmental abnormalities in offspring.
  • In utero galactose exposure can cause neurochemical alterations and developmental deficits.
  • Findings support the hypothesis of in utero toxicity in human galactosemic fetuses.

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