Trans-Epithelial Immune Cell Transfer during Suckling Modulates Delayed-Type Hypersensitivity in Recipients as a Function of Gender
2008

Breast Milk Immune Cell Transfer and Its Effects on Immune Response

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ma Lisa J., Walter Barbara, DeGuzman Ariel, Muller H. Konrad, Walker Ameae M.

Primary Institution: University of California Riverside

Hypothesis

Does the transfer of immune cells through breast milk affect the delayed-type hypersensitivity response in offspring based on gender?

Conclusion

The study found that maternal immune cell transfer during suckling modulates the delayed-type hypersensitivity response in offspring, enhancing it in females and suppressing it in males.

Supporting Evidence

  • Breast milk contains immune cells that can influence the immune system of the offspring.
  • Transferred immune cells were primarily CD4+ and CD8+ T cells.
  • Nursing by sensitized dams enhanced the DTH response in female pups.
  • Nursing by sensitized dams suppressed the DTH response in male pups.
  • Immune cell transfer occurs during the first two weeks of nursing.

Takeaway

When baby mice drink their mom's milk, they can get special immune cells that help their bodies fight off sickness, but it works differently for boy and girl mice.

Methodology

Mice were fostered by GFP transgenic dams, and immune cell transfer was analyzed using FACS, immunohistochemistry, and RT-PCR.

Potential Biases

Potential bias in the interpretation of gender-specific immune responses.

Limitations

The study primarily used mouse models, which may not fully represent human responses.

Participant Demographics

Non-transgenic mouse pups fostered by GFP transgenic dams.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0003562

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