ArticleFrontiers in immunology2022
Autoimmune Atrophic Gastritis: The Role of miRNA in Relation to
Article in Frontiers in immunology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 13 citations in OpenAlex.
- Signaling pathways and targeted interventions for precancers.Signal transduction and targeted therapy · 2026Review
- H. pylori infection downregulates the expression and release of miR- 223 in neutrophils.International microbiology : the official journal of the Spanish Society for Microbiology · 2025Article
- Autoimmune Gastritis: Unveiling the Mystery.The Korean journal of helicobacter and upper gastrointestinal research · 2025Review
- Mechanistic insights into Jianpi Qinghua Sanyu Yin treatment of raised erosive gastritis: ceRNA-mediated PI3K/AKT signaling pathways.Frontiers in pharmacology · 2025Article
- Article
- Update in Molecular Aspects and Diagnosis of Autoimmune Gastritis.Current issues in molecular biology · 2023Review
- The role of non-coding RNA in the diagnosis and treatment ofFrontiers in medicine · 2022Review
- Crosstalk between MicroRNAs and Oxidative Stress in Coeliac Disease.Inflammatory intestinal diseasesReview
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10 authors at 3 institutions in 1 country.
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Abstract
Introduction: MicroRNAs (miRNAs) have been proposed as diagnostic markers, biomarkers of neoplastic progression, and possible therapeutic targets in several immune-mediated diseases. We aimed to analyze the expression profile of selected miRNAs (miR21, miR142, miR223, miR155) in patients with autoimmune atrophic gastritis (AAG), patients with non-autoimmune multifocal atrophic gastritis (MAG), and healthy control subjects (HC). Materials and methods: A total of 103 patients with AAG were consecutively recruited for this study among those attending our gastroenterology outpatient clinic. Participating patients were divided into two groups: primary, not Helicobacter pylori (HP)-associated related AAG (n=57, P-AAG) and HP-associated AAG (n=46, HP-AAG); this subgroup included HP-positive patients, patients with previously reported HP infection, and patients harboring antral atrophy, considered as a stigma of HP infection. We also included 20 sex-age-matched MAG patients and 10 HC. Upper endoscopy with gastric biopsies were performed on each AAG and MAG patient. Circulating levels of miR21-5p, miR142-3p, miR223-3p, and miR155-5p were measured by RT-PCR in all groups. Results: MiR-21 was over-expressed in P-AAG (p=0.02), HP-AAG (p = 0.04), and MAG (p=0.03) compared with HC. By contrast, miR-142 was more expressed in HC than in HP-AAG (p=0.04) and MAG (p=0.03). MiR-155 showed no significant differences among the four subgroups, while, unexpectedly, miR-223 was overexpressed in HC compared to P-AAG (p=0.01), HP-AAG (p=0.003), and MAG (p<0.001), and was higher in P-AAG than in MAG (p=0.05). Conclusions: MiR-21 was over-expressed in patients with gastric precancerous conditions irrespective of etiology, while in the same subgroups miR-142 and miR-223 were under-expressed compared to healthy controls. Controlling miRNAs up- or downregulation could lead to a breakthrough in treating chronic autoimmune diseases and potentially interfere with the progression to cancer.
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