Delayed gut microbiota development in high-risk for asthma infants is temporarily modifiable by Lactobacillus supplementation

Juliana Durack, Nikole E. Kimes, Din L. Lin, Marcus Rauch, Michelle McKean, Kathryn McCauley, Ariane R. Panzer, Jordan S. Mar, Michael D. Cabana and Susan V. Lynch ()
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Juliana Durack: University of California San Francisco
Nikole E. Kimes: University of California San Francisco
Din L. Lin: University of California San Francisco
Marcus Rauch: University of California San Francisco
Michelle McKean: University of California San Francisco
Kathryn McCauley: University of California San Francisco
Ariane R. Panzer: University of California San Francisco
Jordan S. Mar: University of California San Francisco
Michael D. Cabana: University of California San Francisco
Susan V. Lynch: University of California San Francisco

Nature Communications, 2018, vol. 9, issue 1, 1-9

Abstract: Abstract Gut microbiota dysbiosis and metabolic dysfunction in infancy precedes childhood atopy and asthma development. Here we examined gut microbiota maturation over the first year of life in infants at high risk for asthma (HR), and whether it is modifiable by early-life Lactobacillus supplementation. We performed a longitudinal comparison of stool samples collected from HR infants randomized to daily oral Lactobacillus rhamnosus GG (HRLGG) or placebo (HRP) for 6 months, and healthy (HC) infants. Meconium microbiota of HRP participants is distinct, follows a delayed developmental trajectory, and is primarily glycolytic and depleted of a range of anti-inflammatory lipids at 6 months of age. These deficits are partly rescued in HRLGG infants, but this effect was lost at 12 months of age, 6 months after cessation of supplementation. Thus we show that early-life gut microbial development is distinct, but plastic, in HR infants. Our findings offer a novel strategy for early-life preventative interventions.

Date: 2018
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DOI: 10.1038/s41467-018-03157-4

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