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Review
. 2016 Jan-Feb;65(1):76-88.
doi: 10.1097/NNR.0000000000000133.

The Infant Microbiome: Implications for Infant Health and Neurocognitive Development

Irene Yang  1 , Elizabeth J Corwin, Patricia A Brennan, Sheila Jordan, Jordan R Murphy, Anne Dunlop
Affiliations
Review

The Infant Microbiome: Implications for Infant Health and Neurocognitive Development

Irene Yang et al. Nurs Res. 2016 Jan-Feb.

Abstract

Background: Beginning at birth, the microbes in the gut perform essential duties related to the digestion and metabolism of food, the development and activation of the immune system, and the production of neurotransmitters that affect behavior and cognitive function.

Objectives: The objectives of this review are to (a) provide a brief overview of the microbiome and the "microbiome-gut-brain axis"; (b) discuss factors known to affect the composition of the infant microbiome: mode of delivery, antibiotic exposure, and infant-feeding patterns; and (c) present research priorities for nursing science and clinical implications for infant health and neurocognitive development.

Discussion: The gut microbiome influences immunological, endocrine, and neural pathways and plays an important role in infant development. Several factors influence colonization of the infant gut microbiome. Different microbial colonization patterns are associated with vaginal versus surgical birth, exposure to antibiotics, and infant-feeding patterns. Because of extensive physiological influence, infant microbial colonization patterns have the potential to impact physical and neurocognitive development and life course disease risk. Understanding these influences will inform newborn care and parental education.

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Conflict of interest statement

The authors have no conflicts of interest to report.

Figures

FIGURE 1
FIGURE 1
The gut-brain axis.
FIGURE 2
FIGURE 2
Maternal and neonatal factors influencing the development of the infant microbiome.
FIGURE 3
FIGURE 3
Timeline of factors influencing the development of the infant gut from birth to three years.
See this image and copyright information in PMC

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