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[Immunologic factors in human colostrum and milk]
Z Ulcová-Gallová1, P Fialová, V Krauz
1Gynekologicko-porodnická klinika LF UK, Plzen.
Casopis Lekaru Ceskych
|May 2, 1994
Summary
Human colostrum and milk are crucial for infant immunity, providing essential antibodies and factors that protect newborns from pathogens and allergens. Promoting breastfeeding is vital for neonatal health.
Area of Science:
- Immunology
- Lactation Biology
- Neonatal Health
Context:
- The mammary gland functions as an immunological secretory organ.
- Colostrum and milk contain specific and non-specific immune factors.
- These factors are transmitted to neonates via breastfeeding.
Purpose:
- To analyze and compare the immunological components of human colostrum and milk.
- To quantify levels of various immunoglobulins and other immune factors.
- To assess the immunological significance of colostrum and milk for neonatal protection.
Summary:
- Colostrum and milk samples from 105 mothers were analyzed for immunoglobulin (IgG, IgM, IgA, IgD, IgE) and other immune factor concentrations.
- Colostrum exhibited significantly higher levels of IgG, IgM, IgA, and secretory IgA (sIgA) compared to mature milk.
- Non-specific immunity factors were present in low concentrations; IgD was undetectable.
Impact:
- Human colostrum and milk possess bacteriostatic and inhibitory properties.
- They prevent the entry of pathogens and allergens into the neonatal digestive and respiratory tracts.
- Promoting breastfeeding is essential for leveraging these immunological benefits in neonates.