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The intestinal microflora of childhood patients with indicated celiac disease

J Kopecný1, J Mrázek, K Fliegerová

  • 1Institute of Animal Physiology and Genetics, v.v.i., Academy of Sciences of the Czech Republic, 142 20 Prague, Czechia. kopecnyj@iapg.cas.cz

Folia Microbiologica
|July 29, 2008
PubMed

Insights

Childhood patients exhibit higher fecal short-chain fatty acids (SCFAs) than healthy children. Gut microbiota analysis revealed uncultured bacterial strains in patients, suggesting a distinct microbial profile in pediatric gut conditions.

Area of Science:

  • Microbiology
  • Gastroenterology
  • Pediatrics

Background:

  • Altered gut microbiota composition is implicated in various pediatric gastrointestinal disorders.
  • Short-chain fatty acids (SCFAs) are crucial metabolites produced by gut bacteria with significant physiological roles.

Purpose of the Study:

  • To investigate the fecal SCFA concentration and gut microbial composition in childhood patients compared to healthy children.
  • To characterize the bacterial populations in fecal samples and duodenal biopsies.

Main Methods:

  • Fecal samples were analyzed for short-chain fatty acids (SCFAs) and pH.
  • Denaturing gradient gel electrophoresis (DGGE) was employed to profile total bacteria, lactobacilli, and bifidobacteria in fecal and duodenal samples.

Main Results:

  • Childhood patients showed significantly higher fecal SCFA concentrations (154 +/- 46.9 mmol/L) compared to healthy children (96.6 +/- 19.2 mmol/L).
  • Fecal pH was nonsignificantly lower in patients (6.78 +/- 0.75) versus controls (7.42 +/- 0.74).
  • Over 50% of detected bacterial species in patients were previously uncultured strains, and duodenal-adhering bacteria were not dominant in stool.

Conclusions:

  • Elevated fecal SCFAs in pediatric patients may indicate altered gut metabolism.
  • The gut microbiome in these patients is characterized by a high proportion of uncultured bacteria, suggesting novel microbial players in pediatric gut health.

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