Effects of Fecal Microbiota Transplantation on Composition in Mice with CKD

Christophe Barba1,2, Christophe O Soulage1, Gianvito Caggiano3

  • 1CarMeN Lab, INSA-Lyon, INSERM U1060, INRA, University Claude Bernard Lyon 1, 69100 Villeurbanne, France.

Toxins
|December 1, 2020
PubMed
Abstract

Insights

Fecal microbiota transplantation (FMT) improved gut microbiota diversity and reduced uremic toxins in mice with chronic kidney disease (CKD). FMT also enhanced glucose tolerance but did not alter kidney function.

Area of Science:

  • Nephrology
  • Gastroenterology
  • Microbiology

Background:

  • Chronic kidney disease (CKD) is marked by uremic toxin buildup.
  • Intestinal microbiota significantly contributes to CKD complications and toxin production.
  • Limited strategies exist to reduce uremic toxin concentrations in CKD.

Purpose of the Study:

  • To investigate if fecal microbiota transplantation (FMT) can mitigate metabolic complications and uremic toxin accumulation in a mouse model of CKD.
  • To assess the impact of FMT on gut microbiota structure and function in CKD.
  • To evaluate changes in uremic toxin levels and metabolic profiles post-FMT.

Main Methods:

  • CKD was induced in mice using adenine-supplemented diet.
  • Mice were divided into control, CKD, and CKD + FMT groups.
  • FMT was administered to CKD mice, with outcomes assessed three weeks later.

Main Results:

  • Fecal microbiota transplantation (FMT) increased gut microbial alpha diversity.
  • FMT treatment led to a reduction in p-cresyl sulfate, a key uremic toxin.
  • Improved glucose tolerance was observed in CKD mice receiving FMT.
  • No significant changes in kidney function were detected post-FMT.

Conclusions:

  • FMT can limit uremic toxin accumulation from the intestinal cresol pathway by enhancing gut microbiota diversity.
  • Fecal microbiota transplantation shows potential therapeutic benefits for CKD-related metabolic issues.
  • Further research is required to optimize FMT parameters (efficiency, timing, dosage) for clinical application in CKD patients.