Reduced diversity and increased virulence-gene carriage in intestinal enterobacteria of coeliac children
2008

Gut Bacteria and Coeliac Disease in Children

Sample size: 31 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sánchez Ester, Nadal Inmaculada, Donat Ester, Ribes-Koninckx Carmen, Calabuig Miguel, Sanz Yolanda

Primary Institution: Instituto de Agroquímica y Tecnología de Alimentos (CSIC)

Hypothesis

Do intestinal Enterobacteriaceae populations differ in diversity and virulence-gene carriage between active and non-active coeliac patients and healthy children?

Conclusion

The study found that coeliac patients have reduced diversity and increased virulence-gene carriage in their gut bacteria compared to healthy children.

Supporting Evidence

  • Non-E. coli clones were more commonly isolated in healthy children than in coeliac patients.
  • Active coeliac patients had a higher prevalence of virulent E. coli clones.
  • Virulent E. coli clones from coeliac patients carried more virulence genes than those from healthy controls.
  • The study suggests a link between gut microbiota changes and coeliac disease pathogenesis.

Takeaway

Kids with coeliac disease have different gut bacteria than healthy kids, which might make them sicker.

Methodology

Faecal samples were collected from 31 children, including active and non-active coeliac patients and healthy controls, and Enterobacteriaceae clones were isolated and analyzed for virulence genes.

Potential Biases

Potential bias in sample selection and the influence of diet on gut microbiota was not fully controlled.

Limitations

The study only included a small sample size and focused on specific bacterial groups.

Participant Demographics

10 active coeliac patients, 10 symptom-free coeliac patients, and 11 healthy controls, aged 0.1 to 12 years.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-230X-8-50

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