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October 3, 2025Molecular MetabolismOpen Access

Evaluation of the effects of metformin on gut functions and microbiota and their contribution to improving glucose tolerance in diabetic mice

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Authors

MGM. GodetEMEmmanuelle MeugnierOVOriane Vitalis

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Overview

Observational analysis revealed metformin enhances glucose tolerance in diabetic mice, suggesting vital gut-microbiota interactions.

Key Points

  • Metformin restored glucose tolerance and fasting insulin levels in mice, demonstrating significant metabolic improvement.
  • The study found that metformin's effects on gut parameters like mucus production and GLP-1 expression followed a dose-dependent pattern.
  • Escalating doses of metformin were orally administered to glucose intolerant mice after a high fat high sucrose diet.
  • The findings point to potential novel microbial biomarkers and targets that could enhance metformin's therapeutic efficacy.

Cite This Study

Godet et al. (2025) studied this question.

synapsesocial.com/papers/68dfe94bdaa1363beb04a7bbhttps://doi.org/10.1016/j.molmet.2025.102263
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Also Consider

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  1. 1Effects of metformin on gut microbiota and short2025
  2. 2Novel mechanism whereby metformin improves glucose homeostasis: TXNIP–GLUT1 axis modulation enhances intestinal glucotonic effects2025
  3. 3<b>From Metformin to Microbiome: The Missing Links in Metabolic Modulation</b>2025
  4. 4Metformin inhibits mitochondrial complex I in intestinal epithelium to promote glycemic control2025 · 2 citations
  5. 5Similarities and differences in the intestinal actions of metformin and imeglimin2025