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Published in: Gut Pathogens 1/2019

Open Access 01-12-2019 | Chronic Inflammatory Bowel Disease | Research

1,25(OH)2D3 deficiency-induced gut microbial dysbiosis degrades the colonic mucus barrier in Cyp27b1 knockout mouse model

Authors: Wenjing Zhu, Jiayao Yan, Chunchun Zhi, Qianwen Zhou, Xiaoqin Yuan

Published in: Gut Pathogens | Issue 1/2019

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Abstract

Background

The relationship between disturbances of the gut microbiota and 1,25(OH)2D3 deficiency has been established both in humans and animal models with a vitamin D poor diet or a lack of sun exposure. Our prior study has demonstrated that Cyp27b1/ (Cyp27b1 knockout) mice that could not produce 1,25(OH)2D3 had significant colon inflammation phenotypes. However, whether and how 1,25(OH)2D3 deficiency due to the genetic deletion controls the gut homeostasis and modulates the composition of the gut microbiota remains to be explored.

Results

1,25(OH)2D3 deficiency impair the composition of the gut microbiota and metabolite in Cyp27b1/ mice, including Akkermansia muciniphila, Solitalea Canadensis, Bacteroides-acidifaciens, Bacteroides plebeius and SCFA production. 1,25(OH)2D3 deficiency cause the thinner colonic mucus layer and increase the translocation of the bacteria to the mesenteric lymph nodes. We also found 1,25(OH)2D3 supplement significantly decreased Akkermansia muciniphila abundance in fecal samples of Cyp27b1/ mice.

Conclusion

Deficiency in 1,25(OH)2D3 impairs the composition of gut microbiota leading to disruption of intestinal epithelial barrier homeostasis and induction of colonic inflammation. This study highlights the association between 1,25(OH)2D3 status, the gut microbiota and the colonic mucus barrier that is regarded as a primary defense against enteric pathogens.
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Metadata
Title
1,25(OH)2D3 deficiency-induced gut microbial dysbiosis degrades the colonic mucus barrier in Cyp27b1 knockout mouse model
Authors
Wenjing Zhu
Jiayao Yan
Chunchun Zhi
Qianwen Zhou
Xiaoqin Yuan
Publication date
01-12-2019
Publisher
BioMed Central
Published in
Gut Pathogens / Issue 1/2019
Electronic ISSN: 1757-4749
DOI
https://doi.org/10.1186/s13099-019-0291-z

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Live Webinar | 27-06-2024 | 18:00 (CEST)

Keynote webinar | Spotlight on medication adherence

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WHO estimates that half of all patients worldwide are non-adherent to their prescribed medication. The consequences of poor adherence can be catastrophic, on both the individual and population level.

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Obesity Clinical Trial Summary

At a glance: The STEP trials

A round-up of the STEP phase 3 clinical trials evaluating semaglutide for weight loss in people with overweight or obesity.

Developed by: Springer Medicine