Gut Microbiota Diversity and Eczema in Infants
Author Information
Author(s): Erick Forno, Andrew B. Onderdonk, John McCracken, Augusto A. Litonjua, Daniel Laskey, Mary L. Delaney, Andrea M. DuBois, Diane R. Gold, Louise M. Ryan, Scott T. Weiss, Juan C. Celedón
Primary Institution: Channing Laboratory, Boston, MA, USA
Hypothesis
Is there a relationship between the bacterial diversity of the gut and the development of eczema in early life?
Conclusion
Reduced microbial diversity is associated with the development of eczema in early life.
Supporting Evidence
- Control subjects had greater fecal microbial diversity than children with eczema at ages 1 and 4 months.
- The increase in diversity from 1 to 4 months was significant in controls but not in eczema cases.
- An increment in the Shannon diversity index was associated with a reduction in the odds of eczema.
Takeaway
Babies with less variety of good bacteria in their tummies are more likely to get eczema.
Methodology
Fecal samples were collected from infants at 1 and 4 months, and microbial diversity was assessed using denaturating gradient gel electrophoresis.
Potential Biases
Possible selection bias in the recruitment of participants.
Limitations
Small sample size and potential confounding factors not fully controlled.
Participant Demographics
Infants aged 1 to 4 months, with a mix of genders and delivery methods.
Statistical Information
P-Value
0.01 for 1 month, 0.02 for 4 months
Confidence Interval
95% CI for means provided in the results
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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