Gut microbiota and lipopolysaccharide content of the diet influence development of regulatory T cells: studies in germ-free mice
2008

Gut Microbiota and Diet Affect Immune Cell Development

Sample size: 10 publication Evidence: moderate

Author Information

Author(s): Hrncir Tomas, Stepankova Renata, Kozakova Hana, Hudcovic Tomas, Tlaskalova-Hogenova Helena

Primary Institution: Institute of Microbiology, Academy of Sciences of the Czech Republic

Hypothesis

Does the presence of gut microbiota and the quality of a sterile diet influence the maturation of the immune system in germ-free mice?

Conclusion

The study shows that both live gut microbiota and microbial components in the diet stimulate the development and function of the immune system.

Supporting Evidence

  • Gut microbiota and LPS-rich diet increase the weight and cellularity of lymphoid organs.
  • Both gut microbiota and LPS-rich diet drive the expansion of CD4+ T cells in mesenteric lymph nodes.
  • The presence of gut microbiota increases the production of interleukin-10 and interferon-γ.

Takeaway

Mice without germs need good bacteria and certain foods to help their immune system grow strong.

Methodology

The study involved comparing the immune system development in germ-free and conventional mice fed different diets with varying LPS content.

Participant Demographics

Germ-free and conventional Balb/c mice

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2172-9-65

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