Journal
FRONTIERS IN PEDIATRICS
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fped.2022.902798
Keywords
necrotizing enterocolitis (NEC); probiotics; intestinal microbiome; prematurity; formula
Categories
Funding
- National Institute of Health [R01DK117296, K08DK125735]
- Childrens Mercy Hospital
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The study demonstrates that different preterm formulas have varying effects on intestinal inflammation, apoptosis, and microbiome composition in developing infants. Formula feeding with EleCare and Similac Special Care resulted in greater intestinal injury compared to NeoSure, but pre-treatment with Lactobacillus rhamnosus GG alleviated the severity of the damage.
Formula feeding is an important risk factor for the development of necrotizing enterocolitis in preterm infants. The potential harmful effects of different preterm formulas on the developing intestinal tract remain incompletely understood. Here we demonstrate that feeding newborn mouse pups with various preterm formulas resulted in differing effects on intestinal inflammation, apoptosis, and activation of the pro-inflammatory transcription factor NF kappa B. 16S rRNA sequencing revealed that each preterm formula resulted in significant gut microbial alterations that were different from dam-fed controls. Formula feeding with EleCare and Similac Special Care caused greater intestinal injury compared to NeoSure. Pre-treatment with Lactobacillus rhamnosus GG ameliorated severity of intestinal injury from EleCare and Similac Special Care. Our findings indicate that not all preterm formulas are the same, and different formulations can have varying effects on intestinal inflammation, apoptosis, and microbiome composition.
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