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Infection of Primary Nasal Epithelial Cells Grown at an Air-Liquid Interface to Characterize Human Coronavirus-Host Interactions
Published on: September 22, 2023
Airway epithelial cell-pathogen interactions
Alessandra Bragonzi1, Elena Copreni, Sophie de Bentzmann
1Institut fur Allgemeine Hygiene und Umwelthygiene, Universität Tübingen, Tübingen, Germany.
Abstract:
Cystic fibrosis (CF) airway becomes colonized with only a limited number of bacterial pathogens. It is of paramount importance to establish in vitro and in vivo models to better understand bacterial-host interactions under CF-like conditions. In this article, in vitro methods suitable to study Pseudomonas aeruginosa (Pa) and Staphylococcus aureus (Sa) adherence to and uptake by airway epithelial cells are described. Acute and chronic respiratory infection models, which have been used in CF transgenic mice and mimic human CF lung pathology, are also taken into consideration.
Insights
Cystic fibrosis (CF) airways are prone to specific bacterial infections. This study details in vitro and in vivo models for studying Pseudomonas aeruginosa and Staphylococcus aureus interactions in CF lung environments.
Area of Science:
- Microbiology
- Pulmonology
- Pathogen Research
Background:
- Cystic fibrosis (CF) airways exhibit limited pathogen colonization.
- Understanding bacterial-host interactions in CF is crucial for treatment development.
Purpose of the Study:
- To describe in vitro methods for studying Pseudomonas aeruginosa (Pa) and Staphylococcus aureus (Sa) adherence and uptake by airway epithelial cells.
- To consider acute and chronic respiratory infection models in CF transgenic mice that mimic human CF lung pathology.
Main Methods:
- In vitro assays for bacterial adherence and uptake by airway epithelial cells.
- Establishment and utilization of CF transgenic mouse models for respiratory infection studies.
Main Results:
- Detailed methodologies for in vitro bacterial-host interaction studies are provided.
- CF mouse models that replicate human CF lung pathology are discussed.
Conclusions:
- The described models are essential for investigating bacterial pathogenesis in cystic fibrosis.
- These models facilitate the study of Pseudomonas aeruginosa and Staphylococcus aureus in CF airways.
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