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Antibodies in milk.

E Telemo1, L A Hanson

  • 1University of Göteborg, Department of Clinical Immunology, Sweden. esbjorn.telemo@immuno.gu.se

Journal of Mammary Gland Biology and Neoplasia
|July 1, 1996
PubMed
Summary

Maternal antibodies, transferred via the placenta and breast milk, provide crucial immune defenses for infants. Breastfeeding offers immediate and long-term protection against infections and promotes immune tolerance.

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Area of Science:

  • Immunology
  • Pediatrics
  • Microbiology

Background:

  • Infant immune systems are immature, necessitating maternal immune support against evolving pathogens.
  • Maternal antibodies are transferred passively to the fetus and neonate.

Purpose of the Study:

  • To review the mechanisms and significance of maternal antibody transfer for infant immunity.
  • To highlight the role of breast milk in providing both specific and nonspecific defense factors.

Main Methods:

  • Review of existing literature on maternal-fetal and maternal-infant antibody transfer.
  • Analysis of studies on the immunological components of breast milk.
  • Examination of epidemiological data on the impact of breastfeeding on infant morbidity.

Main Results:

  • Immunoglobulin G (IgG) antibodies are transported across the placenta.
  • Immunoglobulin A (IgA) antibodies and other nonspecific factors are present in breast milk.
  • Breastfeeding is associated with reduced incidence of various infant infections and conditions.

Conclusions:

  • Maternal antibodies are essential for immediate and lasting protection of infants.
  • Breast milk provides critical immunological benefits, including infection resistance and immune tolerance.
  • Breastfeeding plays a vital role in infant health and immune system development.

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