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Journal Articles Toxins Year : 2022

Gut–Kidney Axis Investigations in Animal Models of Chronic Kidney Disease

Abstract

Chronic kidney disease (CKD) is an incurable disease in which renal function gradually declines, resulting in no noticeable symptoms during the early stages and a life-threatening disorder in the latest stage. The changes that accompany renal failure are likely to influence the gut microbiota, or the ecosystem of micro-organisms resident in the intestine. Altered gut microbiota can display metabolic changes and become harmful to the host. To study the gut–kidney axis in vivo, animal models should ideally reproduce the disorders affecting both the host and the gut microbiota. Murine models of CKD, but not dog, manifest slowed gut transit, similarly to patient. Animal models of CKD also reproduce altered intestinal barrier function, as well as the resulting leaky gut syndrome and bacterial translocation. CKD animal models replicate metabolic but not compositional changes in the gut microbiota. Researchers investigating the gut–kidney axis should pay attention to the selection of the animal model (disease induction method, species) and the setting of the experimental design (control group, sterilization method, individually ventilated cages) that have been shown to influence gut microbiota.

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Toxicology
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hal-03842368 , version 1 (07-11-2022)

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Piotr Bartochowski, Nathalie Gayrard, Stéphanie Bornes, Céline Druart, Angel Argilés, et al.. Gut–Kidney Axis Investigations in Animal Models of Chronic Kidney Disease. Toxins, 2022, 14 (9), pp.626. ⟨10.3390/toxins14090626⟩. ⟨hal-03842368⟩
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