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Updated: Jul 15, 2025

Evaluation of Host-Pathogen Responses and Vaccine Efficacy in Mice
Published on: February 22, 2019
Imaging-Selected Host Responses in the Context of Infections
Catherine A Foss1,2, Adam R Renslo3,4
1Russel H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
New molecular imaging techniques visualize host responses to infections, aiding diagnosis when microbe tracers are limited. These methods offer complementary approaches to pathogen-focused imaging for better understanding disease progression and outcomes.
Area of Science:
- Medical Imaging
- Infectious Diseases
- Host-Pathogen Interactions
Background:
- Few microbe-specific tracers exist for imaging infections.
- Host responses significantly contribute to disease morbidity and mortality.
- Molecular imaging offers a novel approach to visualize infection-related pathology.
Purpose of the Study:
- To highlight recent molecular imaging approaches for visualizing host responses during infection.
- To showcase diverse imaging modalities and host response aspects (inflammation, tissue injury, nutrients).
- To emphasize the potential of these host-focused imaging strategies.
Main Methods:
- Review of recent molecular imaging studies adapted for infection visualization.
- Focus on leveraging host-derived signals (inflammation, tissue repair, nutrient metabolism).
- Inclusion of diverse imaging modalities.
Main Results:
- Demonstrated success in adapting molecular imaging for infection detection via host responses.
- Showcased diverse applications targeting inflammation, tissue injury, and nutrient availability.
- Highlighted the complementary nature of host-focused imaging to pathogen-focused methods.
Conclusions:
- Molecular imaging of host responses presents a promising avenue for infection diagnosis and management.
- These techniques are valuable complements to existing pathogen-centric imaging modalities.
- Further preclinical and clinical studies are warranted to fully realize the potential of these approaches.
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