ArticleHelicobacter
Proteomic Profiling of Extracellular Vesicles Reveals Potential Biomarkers for Helicobacter pylori Infection and Gastric Cancer.
Article in Helicobacter. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The trial behind it
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Who cites it
5 citing papers in PubMed.
- Helicobacter pylori-derived outer membrane vesicles: Pathogenic roles, microbiota interactions, and biomedical applications.Journal of advanced research · 2026Review
- Bacterial Membrane Vesicles: Biogenesis, Functions, and Emerging Biotechnological Applications.Microorganisms · 2026Review
- Bacterial and gut microbiota-derived extracellular vesicles as emerging sources of cancer biomarkers: molecular mechanisms, diagnostic approaches, and therapeutic applications.Frontiers in cellular and infection microbiology · 2026Review
- Antibiotics Impact the Cytotoxicity and Cytopathic Effect ofInternational journal of molecular sciences · 2025Article
- Extracellular Vesicles for Clinical Diagnostics: From Bulk Measurements to Single-Vesicle Analysis.ACS nano · 2025Review
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
backgroundHelicobacter pylori (H. pylori) has been identified as a type I carcinogen and contributes to a high rate of gastric cancer (GC), especially in Eastern Asia. Extracellular vesicles (EVs) have the potential to be used to detect various cancer types and diseases. However, the protein markers in EVs for the prognosis of H. pylori infection and GC are unknown. We aim to identify the proteins within EVs derived from a gastric epithelial cell line (AGS) infected with H. pylori by using LC-MS/MS. MATERIALS AND
methodsEVs were isolated from AGS cells infected with high- and low-virulence H. pylori (strains TN2wt and Tx30a) by ultracentrifugation. Proteins within these EVs were identified and analyzed for potential marker candidates through bioinformatics. Proteins in H. pylori-derived EVs (HpEVs) from bacterial culture supernatant and HpEVs derived from H. pylori-infected AGS cells were elucidated.
resultsDifferentially expressed proteins by proteomic analysis in AGSEVs-Tx30a vs. AGSEVs-noninfected (NI) and AGSEVs-TN2wt vs. AGSEVs-NI were 107 and 55 proteins, respectively. Bioinformatics of these proteomes revealed that essential proteins for H. pylori survival and pathogenicity including outer membrane proteins, metabolism-related, host cell infection-related, and virulence-related proteins were observed in HpEVs. Interestingly, EVs derived from AGS cells infected with H. pylori TN2wt significantly contained multiple proteins related to GC (ATP6V0A1, GAPDH, HINT1, LYZ, and RBX1).
conclusionThis study provides a comprehensive protein profile of EVs from H. pylori-infected AGS cells and HpEVs, which could serve as liquid-based biomarkers in the future for screening H. pylori infection, especially GC-related.
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