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Updated: Feb 11, 2026

Mouse- and Human-derived Primary Gastric Epithelial Monolayer Culture for the Study of Regeneration
Published on: May 7, 2018
A study of the interaction between H. pylori mice passage strains and gastric epithelial cells
Inayatur Rahman1, Muhammad Idrees2, Mohammad Waqas2
1GandharaCollege of Pharmacy, Gandhara University, Peshawar, Pakistan.
Abstract:
Helicobacter pylori (H. pylori) infections are very serious health problem that are further worsened by increasing/developing resistance to the current antibiotics. Therefore, new therapeutic agents are needed for H. pylori eradication. Use of a CD46 derived peptide (P3) as bactericidal agent against H. pylori has shown high activity rate in vivo and this study examines the changes in H. pylori features in response to effect of P3 treatment.AGS cells were infected with H. pylori wild type strain 67:21 and its mice passage strains (P3 treated and untreated strains) and further examined using immunoblotting assay, FACS and Urease activity analysis. Comparatively we found increased level of Urease alpha subunit A (UreA) and alkyl hydroperoxide reductase C (AhpC) proteins for P3 treated strain of H. pylori than its wild type or untreated strain after infection of AGS cells. Conclusion These results suggest that there might be a high rate of adherence to host cells for the P3 treated passage strain than untreated or wild type strain. Our findings also indicate that either adhesins are being changed or H. pylori interaction to the host cells is affected after P3 treatment.
Insights
New peptide treatments show promise for eradicating Helicobacter pylori (H. pylori) by increasing bacterial adherence to host cells. This study investigated changes in H. pylori after P3 peptide treatment, revealing potential new therapeutic strategies.
Area of Science:
- Microbiology
- Infectious Diseases
- Drug Discovery
Background:
- Helicobacter pylori (H. pylori) infections pose a significant health challenge due to rising antibiotic resistance.
- Novel therapeutic agents are crucial for effective H. pylori eradication.
Purpose of the Study:
- To investigate the impact of a CD46-derived peptide (P3) on H. pylori characteristics.
- To understand H. pylori's response to P3 treatment, focusing on host cell interactions.
Main Methods:
- Infection of AGS cells with H. pylori wild type and P3-treated/untreated strains.
- Analysis using immunoblotting, Flow Cytometry (FACS), and urease activity assays.
Main Results:
- P3-treated H. pylori strains exhibited increased levels of Urease alpha subunit A (UreA) and alkyl hydroperoxide reductase C (AhpC) proteins.
- Elevated UreA and AhpC suggest enhanced adherence and altered host cell interaction in P3-treated strains.
Conclusions:
- P3 treatment may enhance H. pylori adherence to host cells, indicating a potential mechanism for therapeutic intervention.
- Changes in adhesins or host cell interaction pathways are suggested following P3 exposure in H. pylori.
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