IL-10-producing CD4(+) T Cells Negatively Regulate Fucosylation of Epithelial Cells in the Gut
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Fucosylated glycans on the surface of epithelial cells (ECs) regulate intestinal homeostasis by serving as attachment receptors and a nutrient source for some species of bacteria. We show here that epithelial fucosylation in the ileum is negatively regulated by IL-10-producing CD4(+) T cells. The number of fucosylated ECs was increased in the ileum of mice lacking T cells, especially those expressing αβ T cell receptor (TCR), CD4, and IL-10. No such effect was observed in mice lacking B cells. Adoptive transfer of αβTCR(+) CD4(+) T cells from normal mice, but not IL-10-deficient mice, normalized fucosylation of ECs. These findings suggest that IL-10-producing CD4(+) T cells contribute to the maintenance of the function of ECs by regulating their fucosylation.
Reciprocal Interactions Between Regulatory T Cells and Intestinal Epithelial Cells.
Jiang Z, Wu C Front Immunol. 2022; 13:951339.
PMID: 35860233 PMC: 9289291. DOI: 10.3389/fimmu.2022.951339.
Kazmi S, Khan M, Shamma T, Altuhami A, Ahmed H, Assiri A Int J Mol Sci. 2022; 23(3).
PMID: 35163192 PMC: 8836023. DOI: 10.3390/ijms23031269.
Finding the sweet spot: glycosylation mediated regulation of intestinal inflammation.
Brazil J, Parkos C Mucosal Immunol. 2021; 15(2):211-222.
PMID: 34782709 PMC: 8591159. DOI: 10.1038/s41385-021-00466-8.
Khan M, Ashoor G, Shamma T, Alanazi F, Altuhami A, Kazmi S Cells. 2021; 10(5).
PMID: 34069395 PMC: 8158696. DOI: 10.3390/cells10051248.
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Kononova S, Litvinova E, Vakhitov T, Skalinskaya M, Sitkin S Int J Mol Sci. 2021; 22(8).
PMID: 33917768 PMC: 8068183. DOI: 10.3390/ijms22083854.