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Open AccessArticle

Helicobacter pylori Infection and the Patterns of Gastric Mucin Expression in Children

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Department of Pathology, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
2
Department of Gastroenterology and Hepatology, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
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Department of Functional Sciences, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
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Department of Pathology, Emergency Clinical Hospital for Children, 400370 Cluj-Napoca, Romania
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Department of Public Health and Management, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2020, 9(12), 4030; https://doi.org/10.3390/jcm9124030
Received: 17 November 2020 / Revised: 10 December 2020 / Accepted: 11 December 2020 / Published: 13 December 2020
(This article belongs to the Section Gastroenterology & Hepatopancreatobiliary Medicine)
Background: The updated model for the mechanism of gastric carcinogenesis demonstrates that Helicobacter pylori (H. pylori) is a risk factor in every step of the process. The expression of certain gastric mucins is altered by H. pylori infection in adult patients. The aim of our research was to assess the impact of H. pylori infection on the expression of secretory mucins in the pediatric antral mucosa. Methods: Slides were stained with monoclonal antibodies for MUC5AC, MUC6 and MUC2, digitalized and scored using both a semiquantitative and a quantitative approach. Results: The expression of MUC5AC was significantly lower in infected children. Also, MUC2 expression was more pronounced in infected children. MUC6 expression did not differentiate between infected and noninfected children. Additionally, the presence of chronic inflammation significantly altered the expression of MUC6 and MUC2. The expression of MUC6 was significantly higher in patients with gastric atrophy. Conclusion: The minor differences in mucin expression at distinct ages might stem from different H. pylori exposure periods. Further research is needed to determine the particular patterns of expression according to age and to evaluate the effects of the interaction between H. pylori and mucins in the progression of the gastric carcinogenesis cascade. View Full-Text
Keywords: Helicobacter pylori; gastritis; children; gastric mucins; immunohistochemistry Helicobacter pylori; gastritis; children; gastric mucins; immunohistochemistry
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MDPI and ACS Style

Domșa, A.-M.T.; Lupușoru, R.; Gheban, D.; Buruiană-Simic, A.; Gheban, B.A.; Lazăr, C.; Borzan, C.M. Helicobacter pylori Infection and the Patterns of Gastric Mucin Expression in Children. J. Clin. Med. 2020, 9, 4030. https://doi.org/10.3390/jcm9124030

AMA Style

Domșa A-MT, Lupușoru R, Gheban D, Buruiană-Simic A, Gheban BA, Lazăr C, Borzan CM. Helicobacter pylori Infection and the Patterns of Gastric Mucin Expression in Children. Journal of Clinical Medicine. 2020; 9(12):4030. https://doi.org/10.3390/jcm9124030

Chicago/Turabian Style

Domșa, Ana-Maria T.; Lupușoru, Raluca; Gheban, Dan; Buruiană-Simic, Alexandra; Gheban, Bogdan A.; Lazăr, Camelia; Borzan, Cristina M. 2020. "Helicobacter pylori Infection and the Patterns of Gastric Mucin Expression in Children" J. Clin. Med. 9, no. 12: 4030. https://doi.org/10.3390/jcm9124030

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