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Related Experiment Videos

Dietary nucleotide effects upon immune function in infants.

J D Carver1, B Pimentel, W I Cox

  • 1Department of Pediatrics, University of South Florida College of Medicine, Tampa 33612-4799.

Pediatrics
|August 1, 1991
PubMed
Summary
This summary is machine-generated.

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Dietary nucleotides (NTs) enhance infant immune function. Breast-fed infants and those receiving NT-supplemented formula showed improved natural killer cell activity and Interleukin-2 production compared to standard formula. Growth and infection rates were similar across groups.

Area of Science:

  • Immunology
  • Pediatrics
  • Nutrition Science

Background:

  • Nucleotide (NT) nitrogen is a component of nonprotein nitrogen in human milk.
  • Animal studies suggest dietary NTs are crucial for immune function maintenance.

Purpose of the Study:

  • To investigate the impact of nucleotide supplementation in infant formula on immune markers.
  • To compare immune responses in breast-fed infants, formula-fed infants with NTs, and formula-fed infants without NTs.

Main Methods:

  • A study involving 37 healthy term infants divided into three groups: breast-fed, formula with NTs (NT+), and standard formula (NT-).
  • Immune markers, including natural killer cell cytotoxicity and Interleukin-2 production, were assessed at 2 months of age.

Main Results:

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  • Natural killer cell cytotoxicity was significantly higher in breast-fed and NT+ groups versus the NT- group.
  • Interleukin-2 production was significantly higher in the NT+ group compared to the NT- group.
  • No significant differences were observed in growth rates or infection incidence/severity among the groups.

Conclusions:

  • Nucleotides may contribute to the enhanced immunity observed in breast-fed infants.
  • NT supplementation in infant formula shows potential for supporting infant immune development.