ArticleFrontiers in cellular and infection microbiology2025
Exercise improves endothelial progenitor cell's function in mice with Type 2 diabetes via gut microbiota modulation.
Article in Frontiers in cellular and infection microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Evidence has proved that exercise increases migration and tube formation of rat EPCs. But the mechanism behind the improved function of EPCs by exercise remains unclear. Methods: This study conducted 8-week exercise interventions (aerobic, resistance, or combined) in 6-week-old type 2 diabetic mice, assessing post-exercise glucose, weight, GLP-1, and gut microbiota. Mice with optimal outcomes were selected as fecal donors for microbiota transplantation via gavage. Recipient mice were evaluated for GLP-1, microbiota changes, and endothelial progenitor cell (EPC) proliferation/migration. Results: Exercise altered microbial composition (e.g., increased Prevotellaceae and Ligilactobacillus), while fecal microbiota transplantation(FMT) enriched Akkermansia. Notably, FMT elevated plasma Glucagon-like peptide-1 (GLP-1) levels by 0.92 pmmol/L (P < 0.001) compared to controls, surpassing the modest, non-significant effects of exercise alone. Critically, FMT enhanced EPC's proliferation (P < 0.007 vs. controls) and migration (P < 0.05), mirroring exercise-induced improvements. While exercise reduced body weight (e.g., 10.58 g in aerobic training (AT), P < 0.001) and blood glucose, FMT amplified these metabolic benefits, lowering glucose by 9.22 mmol/L (P < 0.001). Discussion: Our findings suggest that exercise improves EPC's function in diabetic mice via gut microbiota modulation, with FMT synergistically enhancing GLP-1 secretion. The identified microbiota (Prevotellaceae, Ligilactobacillus, Akkermansia) may serve as therapeutic targets for T2DM(T2DM) and its cardiovascular complications.
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