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Inflammopharmacology
Erschienen in:

22.07.2017 | Original Article

Therapy with omeprazole modulates regulatory T cell/T helper 17 immune response in children with duodenal ulcers

verfasst von: Chuan-Ying Li, Cheng Wu

Erschienen in: Inflammopharmacology | Ausgabe 2/2018

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Abstract

The purpose of this study was to determine the effect of omeprazole on the regulatory T cell (Treg) and T helper 17 (Th17)-mediated response in patients with duodenal ulcers (DUs). DU patients were randomly divided into omeprazole and colloid bismuth subcitrate treatment groups. The ratios of Th17 and Treg in peripheral blood mononuclear cells (PBMCs) were measured. Cytokine production and Foxp3+- and RORγt-positive cells were detected. The expressions of STAT3, p-STAT3, STAT5 and p-STAT5 were detected by Western blot. The results showed that DU patients had an imbalanced Treg/Th17 response, as reflected by the higher IL-17 level and Th17 ratio and lower IL-10 level and Treg proportion in serum compared with those in the healthy volunteers. The administration of omeprazole to the patients significantly increased Treg and IL-10 levels and reduced Th17 and IL-17 levels. Omeprazole markedly increased the number of Foxp3-positive cells, decreased the number of RORγt-positive cells and restored the balanced ratio of IL-10/IL-17 in the ulcer tissue. Interestingly, we observed a negative correlation between the ratios of Treg/Th17 and the pathological scores in damaged tissues. Of note, H. pylori-infected PBMCs showed decreased Treg and an increased Th17 proportion, which could be reversed by omeprazole. Finally, omeprazole increased the expression of p-STAT5 and reduced the level of p-STAT3 without any effects on the total expression of STAT5 and STAT3. Our data suggest that omeprazole treatment restores the equilibrium of the Treg/Th17-mediated response in DU patients. Moreover, the modulation of p-STAT3 and p-STAT5 expression by omeprazole induced balanced polarisation of Treg/Th17.
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Metadaten
Titel
Therapy with omeprazole modulates regulatory T cell/T helper 17 immune response in children with duodenal ulcers
verfasst von
Chuan-Ying Li
Cheng Wu
Publikationsdatum
22.07.2017
Verlag
Springer International Publishing
Erschienen in
Inflammopharmacology / Ausgabe 2/2018
Print ISSN: 0925-4692
Elektronische ISSN: 1568-5608
DOI
https://doi.org/10.1007/s10787-017-0380-x

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