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Dietary xylo‐oligosaccharide ameliorates colonic mucus microbiota penetration with restored autophagy in interleukin‐10 gene–deficient mice
Background Inflammatory bowel disease (IBD) is, nowadays, highly prevalent and presents a global clinical challenge. The objective of this study is to assess the effects of xylo‐oligosaccharide (XOS) on Il10–/– mice, a classic animal model of IBD. Methods Male wild‐type (WT) mice were assigned to WT...
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Published in: | JPEN. Journal of parenteral and enteral nutrition 2022-07, Vol.46 (5), p.1130-1140 |
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Main Authors: | , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Background
Inflammatory bowel disease (IBD) is, nowadays, highly prevalent and presents a global clinical challenge. The objective of this study is to assess the effects of xylo‐oligosaccharide (XOS) on Il10–/– mice, a classic animal model of IBD.
Methods
Male wild‐type (WT) mice were assigned to WT group, and Il10–/– mice were assigned to interleukin‐10 gene–deficient (IL‐10–KO) group and XOS group, respectively. There were 6–8 mice aged 8 weeks in each group. Mice in the XOS group received 1.0 g/kg/day XOS by gavage for 4 weeks.
Results
Compared with mice in IL‐10–KO group, Il10–/– mice with XOS intervention presented significant mild spontaneous colitis with lower disease activity index, histological scores, and bowel inflammatory cytokine levels. Dietary XOS downregulated bowel mucus bacterial penetration, which occurred as early as the onset of bowel colitis. The effect of XOS was associated with restored expression of LC3II/I and decreased expression of p62 and beclin‐1 in colon.
Conclusions
Therefore, XOS decreases colonic mucus microbiota penetration with restored function of antophagy. Our findings suggest that XOS may be a potential dietary supplement or functional food for early management of IBD. |
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ISSN: | 0148-6071 1941-2444 |
DOI: | 10.1002/jpen.2274 |