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Related Experiment Videos

Breast-feeding, a complex support system for the offspring.

Lars A Hanson1, Marina Korotkova, LilIana Håversen

  • 1Department of Clinical Immunology, Göteborg University, Göteborg, Sweden. lars.a.hanson@immuno.gu.se

Pediatrics International : Official Journal of the Japan Pediatric Society
|July 26, 2002
PubMed
Summary

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Breast milk provides crucial immune protection for newborns. Secretory IgA and other factors in milk reduce infection risk and may offer long-term benefits, including protection against allergies.

Area of Science:

  • Immunology
  • Neonatal Health
  • Pediatrics

Background:

  • Newborns have immature immune systems, relying on maternal IgG antibodies.
  • Maternal IgG antibodies are protective but can be tissue-damaging and energy-intensive.
  • Breast milk contains secretory IgA (sIgA) and other factors that offer localized mucosal protection.

Purpose of the Study:

  • To review the protective mechanisms of human milk against neonatal infections.
  • To evaluate the long-term immune-stimulating effects of breastfeeding.
  • To assess the impact of breastfeeding on the development of allergic diseases.

Main Methods:

  • Literature review of studies on human milk composition and infant immunity.
  • Analysis of the roles of secretory IgA, lactoferrin, and oligosaccharides.

Related Experiment Videos

  • Examination of epidemiological data on breastfeeding and disease outcomes.

    • Main Results:

    • Breast milk's sIgA prevents infections at mucosal surfaces, reducing energy expenditure.
    • Breastfeeding significantly lowers risks of neonatal septicemia, respiratory infections, otitis media, diarrhea, UTIs, and necrotizing enterocolitis.
    • Human milk actively stimulates infant immunity, providing protection against infections and potentially reducing risks of celiac and allergic diseases long-term.

    Conclusions:

    • Human milk offers superior protection compared to passive IgG transfer.
    • Breastfeeding provides immediate and lasting benefits for infant immune development and disease prevention.
    • Evidence supports breastfeeding's role in reducing the incidence of allergic diseases, particularly in high-risk infants.