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Diet and host-microbial crosstalk in postnatal intestinal immune homeostasis

Nitya Jain1, W Allan Walker2

  • 1Center for Computational and Integrative Biology, Massachusetts General Hospital, 185 Cambridge Street, Boston, MA 02114, USA.

Nature Reviews. Gastroenterology & Hepatology
|September 10, 2014
PubMed

Insights

Early nutrition profoundly impacts neonatal immune system development and gut microbiota. Understanding these interactions is crucial for preventing infant diseases and promoting long-term health.

Area of Science:

  • Immunology
  • Microbiology
  • Nutritional Science

Background:

  • Neonatal immune system development is distinct from adults.
  • Immune-microbial interactions shape mucosal immunity and host well-being.
  • Nutrition is a key modulator of immune-microbiota homeostasis.

Purpose of the Study:

  • To review the impact of early-life nutrition on neonatal microbiota.
  • To explore how diet-induced perturbations affect mucosal immunity.
  • To discuss consequences for disease susceptibility in infants.

Main Methods:

  • Literature review of current research on early nutrition, microbiota, and immunity.
  • Analysis of immune-microbial interactions in neonates.
  • Examination of dietary influences on microbial communities.

Main Results:

  • Early nutrition significantly influences the developing neonatal immune system and gut microbiota composition.
  • Dietary imbalances can disrupt immune-microbiota homeostasis, increasing disease risk.
  • Global nutritional shifts are altering infant gut microbial communities.

Conclusions:

  • Early-life nutrition is critical for establishing immune tolerance and preventing disease.
  • Dietary interventions can modulate microbiota and immune responses in neonates.
  • Further research is needed to understand long-term health outcomes related to early nutrition.

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