Interleukin 7 from Maternal Milk Crosses the Intestinal Barrier and Modulates T-Cell Development in Offspring
2011

Interleukin 7 from Maternal Milk Affects T-Cell Development in Offspring

Sample size: 11 publication 10 minutes Evidence: moderate

Author Information

Author(s): Aspinall Richard, Prentice Andrew M., Ngom Pa Tamba

Primary Institution: Imperial College London

Hypothesis

Can interleukin 7 (IL-7) from maternal milk cross the intestinal barrier and influence T cell development in offspring?

Conclusion

The study shows that maternally derived IL-7 can cross the intestinal barrier and enhance T cell production in the thymus of offspring.

Supporting Evidence

  • IL-7 was detected in mouse milk shortly after birth.
  • IL-7 levels in milk decreased significantly after the first few days.
  • Cross fostering experiments showed increased T cell populations in pups fed IL-7 from wild type mothers.

Takeaway

Moms' milk has a special ingredient called IL-7 that helps baby mice grow strong immune cells called T cells.

Methodology

The study used recombinant IL-7 to trace its movement in live mice and analyzed T cell populations in various experimental groups.

Limitations

The study was conducted in mice, which may not fully replicate human physiology.

Participant Demographics

Newborn mice were used in the experiments.

Statistical Information

P-Value

0.03

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0020812

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