ArticleWorld journal of gastroenterology2014
Membrane-bound mucins and mucin terminal glycans expression in idiopathic or Helicobacter pylori, NSAID associated peptic ulcers.
Article in World journal of gastroenterology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 12 citations in OpenAlex.
- Helicobacter pylori and gastric mucin expression: A systematic review and meta-analysis.World journal of gastroenterology · 2015Pooled it
- Upregulation of MUC5AC production and deposition of LEWIS determinants by HELICOBACTER PYLORI facilitate gastric tissue colonization and the maintenance of infection.Journal of biomedical science · 2019Article
- Immunosuppressive agents are associated with peptic ulcer bleeding.Experimental and therapeutic medicine · 2017Article
- A systematic approach for the diagnosis and treatment of idiopathic peptic ulcers.The Korean journal of internal medicine · 2015Review
Corrections and comments
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Authors and funding
14 authors at 1 institution in 1 country.
Funding
Abstract
aimTo determine the expression of membrane-bound mucins and glycan side chain sialic acids in Helicobacter pylori (H. pylori)-associated, non-steroidal inflammatory drug (NSAID)-associated and idiopathic-gastric ulcers.
methodsWe studied a cohort of randomly selected patients with H. pylori (group 1, n = 30), NSAID (group 2, n = 18), combined H. pylori and NSAID associated gastric ulcers (group 3, n = 24), and patients with idiopathic gastric ulcers (group 4, n = 20). Immunohistochemistry for MUC1, MUC4, MUC17, and staining for Erythrina cristagalli agglutinin and Sambucus nigra agglutinin (SNA) lectins was performed on sections from the ulcer margins.
resultsStaining intensity of MUC17 was higher in H. pylori ulcers (group 1) than in idiopathic ulcers (group 4), 11.05 ± 3.67 vs 6.93 ± 4.00 for foveola cells, and 10.29 ± 4.67 vs 8.00 ± 3.48 for gland cells, respectively (P < 0.0001). In contrast, MUC1 expression was higher in group 4 compared group 1, 9.89 ± 4.17 vs 2.93 ± 5.13 in foveola cells and 7.63 ± 4.60 vs 2.57± 4.50 for glands, respectively (P < 0.0001). SNA lectin staining was increased in group 4, in parallel to elevated MUC1 expression, indicating more abundant α2-6 sialylation in that group.
conclusionCytoplasmic MUC17 staining was significantly decreased in the cases with idiopathic ulcer. The opposite was observed for both MUC1 and SNA lectin. This observation may reflect important pathogenic mechanisms, since different mucins with altered sialylation patterns may differ in their protection efficiency against acid and pepsin.
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