Salivary Glands - a New Site of Helicobacter Pylori Occurrence

Overview

Journal J Appl Biomed

Specialties Biomedical Engineering
General Medicine

Date 2024 Oct 22

PMID 39434511

Authors

Jan Rotnagl

Jiri Hlozek

Richard Holy

Emil Pavlik

David Kalfert

Jaromir Astl

Affiliations

Soon will be listed here.

Abstract

Objective: The role of Helicobacter pylori (Hp) in the pathological processes of the gastric mucosa is well understood. Decreasing trend in successful eradication of HP from the stomach was observed in last years. This lack of succes is mainly caused by increasing ATB resistance. Nevertheless other possible causes of this phenomenon are being explored. Thus, many studies have focused on the search for extragastric reservoirs as potential sources of persistence or reinfection after successful Hp eradication. The pathological potential of Hp at these localities has also been studied.

Methods: Our study aimed to determine the presence of Hp inside the salivary glands ductal system through its detection from sialolites. Subsequently, we tried to prove the possible ability of Hp to penetrate the salivary gland parenchyma by detecting Hp from the tissue of salivary tumors. Concrements and salivary tumor tissue samples were collected using sialendoscopy or standard surgery, and Hp detection and genotyping were performed through PCR.

Results: Hp was detected in 68.3% of the sialopathy samples. VacA S1AM1 was the most common genotype. CagA-positive genotype represented only 34% of the total number of positive samples.

Conclusion: Our findings of Hp positivity in concrements provide compelling evidence of Hp presence in the ductal system of salivary glands. Confirmation of Hp presence in tumor tissue suggests its potential ability to infiltrate the gland's parenchyma. Further research is needed to confirm Hp's ability to cause local infection, as well as the possible causal association between Hp presence in the studied region, sialolithiasis, and salivary gland tumors.

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