Trans-epithelial immune cell transfer during suckling modulates delayed-type hypersensitivity in recipients as a function of gender

Breast feeding has long term effects on the developing immune system which outlive passive immunization of the neonate. We have investigated the transfer of milk immune cells and examined the result of transfer once the recipients were adult. Non-transgenic mouse pups were foster-nursed by green flu...

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Veröffentlicht in:PloS one 2008-10, Vol.3 (10), p.e3562-e3562
Hauptverfasser: Ma, Lisa J, Walter, Barbara, Deguzman, Ariel, Muller, H Konrad, Walker, Ameae M
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Walter, Barbara
Deguzman, Ariel
Muller, H Konrad
Walker, Ameae M
description Breast feeding has long term effects on the developing immune system which outlive passive immunization of the neonate. We have investigated the transfer of milk immune cells and examined the result of transfer once the recipients were adult. Non-transgenic mouse pups were foster-nursed by green fluorescent protein (GFP) transgenic dams for 3 weeks and the fate of GFP+ cells was followed by FACS analysis, immunohistochemistry and RT-PCR for GFP and appropriate immune cell markers. Pups suckled by non-transgenic dams served as controls. Despite a preponderance of B cells and macrophages in the stomach contents of the pups, most cells undergoing trans-epithelial migration derived from the 3-4% of milk cells positive for T lymphocyte markers. These cells homed to the spleen and thymus, with maximal accumulation at 3-4 weeks. By sensitizing dams with an antigen which elicits a T cell-mediated delayed-type-hypersensitivity (DTH) response, we determined that nursing by a sensitized dam (compared to a non-sensitized dam) amplified a subsequent DTH response in females and yet suppressed one in males. These results suggest that clinical evaluation weighing the pros and cons of nursing male versus female children by mothers with genetically-linked hypersensitivity diseases, such as celiac disease and eczema, or those in regions of the world with endemic DTH-eliciting diseases, such as tuberculosis, may be warranted.
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subjects Adoptive Transfer - veterinary
Allergy
Analysis
Animals
Animals, Newborn
Animals, Suckling
Antigen-antibody reactions
Antigens
Autoimmune diseases
B cells
Babies
Breast feeding
Celiac disease
Cell migration
Cell Movement - immunology
Cell Movement - physiology
Children
Cytokines
Dams
Eczema
Female
Females
Flow cytometry
Fluorescence
Gastroenterology and Hepatology/Small Intestine
Gender
Genetic engineering
Green fluorescent protein
Green Fluorescent Proteins - genetics
Green Fluorescent Proteins - metabolism
Hormones
Hypersensitivity
Hypersensitivity (delayed)
Hypersensitivity, Delayed - immunology
Immune system
Immunity, Maternally-Acquired - physiology
Immunization
Immunization (passive)
Immunoglobulins
Immunohistochemistry
Immunology
Immunology/Allergy and Hypersensitivity
Intestinal Mucosa - immunology
Intestinal Mucosa - metabolism
Intestinal Mucosa - physiology
Laboratory animals
Lactation - immunology
Leukocyte migration
Long term effects
Lymphocytes
Lymphocytes B
Lymphocytes T
Macrophages
Male
Males
Mammary Glands, Animal - immunology
Mammary Glands, Animal - physiology
Markers
Mice
Mice, Inbred C57BL
Mice, Transgenic
Milk
Newborn babies
Nitrogen
Nursing
Pediatrics and Child Health/Neonatology
Polymerase chain reaction
Public Health and Epidemiology/Epidemiology
Rodents
Sensitizing
Sex Characteristics
Skin diseases
Spleen
Stomach
Stomach - cytology
Stomach - metabolism
Suckling behavior
T cells
Thymus
Transgenic mice
Tuberculosis
title Trans-epithelial immune cell transfer during suckling modulates delayed-type hypersensitivity in recipients as a function of gender
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