Genotype–microbiome–metabolome associations in early childhood and their link to BMI
2024

Genotype, Microbiome, and Metabolome Links to Childhood BMI

Sample size: 676 publication 10 minutes Evidence: moderate

Author Information

Author(s): Aparicio Andrea, Sun Zheng, Gold Diane R., Lasky‐Su Jessica A., Litonjua Augusto A., Weiss Scott T., Lee‐Sarwar Kathleen, Liu Yang‐Yu

Primary Institution: Brigham and Women's Hospital and Harvard Medical School

Hypothesis

How do genotype, microbiome, and metabolome interact to influence body mass index (BMI) in early childhood?

Conclusion

The study found significant associations between specific genetic variants, microbiome features, and BMI in children, suggesting that genetics can shape the microbiome and influence obesity risk.

Supporting Evidence

  • Genetic variants in the FHIT gene were linked to microbiome features and BMI.
  • Children's microbiome and metabolome data were integrated to identify associations with obesity.
  • Specific SNPs showed persistent associations with BMI measurements across multiple ages.

Takeaway

This study shows that what you're born with in your genes can affect the tiny bugs in your tummy, which can make you gain weight as you grow up.

Methodology

The study used a multi-omic approach to analyze genetic, microbiome, and metabolomic data from children in a longitudinal trial.

Potential Biases

Potential biases may arise from the limited diversity of the sample and the missing data across different time points.

Limitations

The study had a relatively small sample size and lacked metagenome sequencing data, limiting the analysis to genus-level insights.

Participant Demographics

Children aged 6 months to 8 years enrolled in the Vitamin D Antenatal Asthma Reduction Trial.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1002/mlf2.12153

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