Lung Infection Model
Lung Infection Model - Related Videos
07:45
Modeling Dysplastic and Functional Lung Alveolar Repair after Influenza Infection
0 Views •
2025
This protocol provides instructions for intranasal administration of IAV and downstream analysis of mouse lung damage and associated transcriptional changes to lung cell types.
03:07
Development of a Rat Lung Infection Model Using Intratracheal Bacterial Inoculation
0 Views •
2026
Source: Nguyen, J. Q., et. al. Intratracheal Inoculation of Fischer 344 Rats with Francisella tularensis. J. Vis. Exp. (2017)This video demonstrates the procedure of intratracheal inoculation in an anesthetized rat, involving catheter placement, bacterial delivery into the trachea, and subsequent lung infection establishment for studying host-pathogen interactions.
10:10
A 3D Human Lung Tissue Model for Functional Studies on Mycobacterium tuberculosis Infection
0 Views •
Cited by 40 •
2015
Human tuberculosis infection is a complex process, which is difficult to model in vitro. Here we describe a novel 3D human lung tissue model that recapitulates the dynamics that occur during infection, including the migration of immune cells and early granuloma formation in a physiological environment.
03:06
Preparation of a Murine Oropharyngeal Aspiration Model to Establish Bacterial Lung Infections
0 Views •
2026
Source: Nielsen, T. B., et al., Murine Oropharyngeal Aspiration Model of Ventilator-associated and Hospital-acquired Bacterial Pneumonia. J. Vis. Exp. (2018)This video demonstrates the procedure of delivering bacteria through the oropharynx into the lungs of an anesthetized mouse to induce lung infection and trigger an immune response.
08:50
Direct Observation of Phagocytosis and NET-formation by Neutrophils in Infected Lungs using 2-photon Microscopy
0 Views •
Cited by 21 •
2011
We show, how to use 2-photon microscopy for the observation of the dynamics of neutrophil granulocytes in infected lungs while they phagocytose pathogens or produce neutrophil extracellular traps (NETs).
FAQs
Airway epithelial cells provide the tissue context in which infectious agents or pathogen-derived components interact with the lung. Examining these interactions helps researchers connect changes in lung tissue with inflammatory signaling and host defense. This perspective is important because it links pathogen exposure to tissue injury while preserving the relationship between epithelial responses and broader immune activity.
Inflammatory signaling pathways help explain how the lung responds after encountering an infectious agent or pathogen-derived component. A Lung Infection Model allows researchers to examine these pathways under controlled conditions alongside immune-cell activity and tissue changes. Their analysis can clarify how host defense develops and how inflammatory responses may relate to disease severity or tissue injury.
Researchers can examine pathogen growth and tissue injury as related but separate outcomes within the same experimental framework. Comparing these outcomes helps determine whether disease-associated changes correspond mainly to the infectious agent, the host response, or their interaction. This distinction supports more precise investigation of immune mechanisms and helps evaluate treatments aimed at pathogens or inflammation.
Studying innate and adaptive immune responses provides a broader view of host defense during respiratory infection. The model can support analysis of these response types in relation to pathogen interaction, inflammatory signaling, and lung tissue effects. Considering both arms of immunity helps researchers connect cellular mechanisms with disease severity and assess how immune activity may influence therapeutic outcomes.
A study generally establishes controlled contact between lung-related cells or tissue, immune cells, and an infectious agent or pathogen-derived component. Researchers then examine outcomes such as pathogen growth, tissue injury, inflammatory signaling, and host defense. These observations can be followed by testing antimicrobial or anti-inflammatory treatments, allowing responses to be compared within the experimental system.
Key outcomes include the extent of pathogen growth, changes associated with lung tissue injury, inflammatory signaling activity, and features of innate or adaptive host defense. Examining several outcomes together gives a more informative picture than analyzing infection alone. The combined results can reveal how cellular responses relate to disease severity and treatment effects.
These systems are useful when researchers need to examine whether a treatment affects the infectious process, the inflammatory response, or both. Antimicrobial approaches can be considered alongside pathogen growth, while anti-inflammatory approaches can be assessed in relation to tissue injury and signaling. Such comparisons help connect treatment effects with immune mechanisms and potential clinical outcomes.