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Seleno-chitooligosaccharide-induced modulation of intestinal barrier function: Role of inflammatory cytokines, tight junction proteins, and gut microbiota in mice

Z. H. He, Y. Jin, D. Chen, H. X. Zheng, J. E. Xiang, Y. J. Jiang, Z. S. Wen

. 2025 ; 23 (1) : 45-55. [pub] 20250327

Language English Country Czech Republic

Document type Journal Article

Persistent link   https://www.medvik.cz/link/bmc25011858

Grant support
2022C02043 Program of Zhejiang Province - China
2022C02059 Open Fund for the Key Laboratory of Efficient Development and Utilization of Deep Blue Fisheries Resources of Zhejiang - China
SL2022012 National College Student Innovation and Entrepreneurship Training Program - China
202110340016 National College Student Innovation and Entrepreneurship Training Program - China
2023R411010 College Students Science and Technology Innovation Activity Project of Zhejiang Province - China

This study aimed to explore the function of Seleno-chitooligosaccharide (SOA) on the intestinal barrier through regulation of inflammatory cytokines, tight junction protein, and gut microbiota in mice. The results of ELISA assay demonstrated that SOA significantly increased the levels of IL-2, IL-10, and IFN-γ in serum and ileum. Meanwhile, SOA increased the levels of IL-4 in the ileum (p < 0.05). In addition, Diamine Oxidase (DAO) concentration was decreased in ileum by SOA treatments (p < 0.05). The administration of SOA significantly upregulated the expression of ZO-1 and Occludin in the ileum (p < 0.05). By 16S rDNA sequencing, reduced ratio of Bacillota/Bacteroidota was observed in SOA treated mice. Within the phylum of Bacteroidota, SOA increased the relative abundance of Deferribacterota, uncultured Bacteroidales bacterium, and Bacteroides. Within the phylum of Bacillota, increased relative abundance of Erysipelatoclostridium and Lachnoclostridium, and reduced relative abundance of Ruminococcaceae UCG-010 were observed with SOA supplement. In summary, SOA has the potential to modulate the function of intestinal barrier function and prevent intestinal diseases.

References provided by Crossref.org

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$a This study aimed to explore the function of Seleno-chitooligosaccharide (SOA) on the intestinal barrier through regulation of inflammatory cytokines, tight junction protein, and gut microbiota in mice. The results of ELISA assay demonstrated that SOA significantly increased the levels of IL-2, IL-10, and IFN-γ in serum and ileum. Meanwhile, SOA increased the levels of IL-4 in the ileum (p < 0.05). In addition, Diamine Oxidase (DAO) concentration was decreased in ileum by SOA treatments (p < 0.05). The administration of SOA significantly upregulated the expression of ZO-1 and Occludin in the ileum (p < 0.05). By 16S rDNA sequencing, reduced ratio of Bacillota/Bacteroidota was observed in SOA treated mice. Within the phylum of Bacteroidota, SOA increased the relative abundance of Deferribacterota, uncultured Bacteroidales bacterium, and Bacteroides. Within the phylum of Bacillota, increased relative abundance of Erysipelatoclostridium and Lachnoclostridium, and reduced relative abundance of Ruminococcaceae UCG-010 were observed with SOA supplement. In summary, SOA has the potential to modulate the function of intestinal barrier function and prevent intestinal diseases.
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