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Updated: Jul 8, 2026
08:38
Using a Bacterial Pathogen to Probe for Cellular and Organismic-level Host Responses
Published on: February 22, 2019
Using the Damage Response Framework as a Lens to Discuss Acinetobacter baumannii Host-Pathogen Interactions: A
Nana Yaa P Sakyi Opoku1, Hansel M Fletcher1, Jacinda C Abdul-Mutakabbir2,3
1Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA.
Infectious Diseases and Therapy
|July 7, 2026
Summary
The Damage Response Framework (DRF) explains disease as cumulative host damage from pathogen virulence and immune response. Applying the DRF to Acinetobacter baumannii infections enhances understanding of host-pathogen interactions and guides treatment strategies.
Area of Science:
- Microbiology
- Immunology
- Pathogenesis
Background:
- Host-pathogen interactions (HPI) determine disease outcomes.
- The Damage Response Framework (DRF) quantifies host damage during HPI.
- Acinetobacter baumannii is a multidrug-resistant pathogen with significant immunomodulatory capabilities.
Purpose of the Study:
- To review Acinetobacter baumannii infections through the lens of the DRF.
- To elucidate how the DRF framework can advance the understanding of A. baumannii pathogenesis.
- To explore the DRF's potential in guiding future research and treatment strategies for A. baumannii infections.
Main Methods:
- This is a narrative review.
- The review synthesizes existing literature on A. baumannii and the DRF.
- It applies the DRF conceptual model to analyze host-pathogen interactions in A. baumannii infections.
Main Results:
- Disease arises from the interplay between microbial virulence and host immune response, leading to cumulative host damage.
- A. baumannii pathogenesis is influenced by isolate-specific virulence, antimicrobial resistance, and host immune status.
- The DRF provides a comprehensive model for assessing damage in A. baumannii infections, explaining varied clinical outcomes.
Conclusions:
- The DRF offers a valuable perspective for understanding A. baumannii pathogenesis and HPI.
- Applying the DRF framework can improve our comprehension of how A. baumannii causes disease.
- The DRF can inform the development of integrated treatment strategies targeting both host and microbial factors to improve patient outcomes.
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