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Current Concepts of Osteomyelitis: From Pathologic Mechanisms to Advanced Research Methods
Marloes I Hofstee1, Gowrishankar Muthukrishnan2, Gerald J Atkins3
1AO Research Institute Davos, Davos, Switzerland; Department of Medical Microbiology, Amsterdam UMC, University of Amsterdam, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands.
The American Journal of Pathology
|March 21, 2020
Summary
Recent osteomyelitis research reveals new insights into host-pathogen interactions and immune cell roles. Advanced in vitro models are improving our understanding of bone infections and reducing animal use.
Area of Science:
- Bone biology
- Infectious diseases
- Immunology
Background:
- Osteomyelitis involves bone and bone marrow inflammation, often due to Staphylococcus aureus.
- Recent discoveries include osteocyte roles in immune cell recruitment and S. aureus persistence in bone.
- Polymorphonuclear cells are key in diagnosing implant-associated osteomyelitis.
Purpose of the Study:
- To review recent pathological concepts in osteomyelitis.
- To highlight novel discoveries in host-pathogen interactions.
- To discuss the value of advanced in vitro models in osteomyelitis research.
Main Methods:
- Review of recent scientific literature on osteomyelitis.
- Focus on host-pathogen interactions and immune responses.
- Evaluation of advanced in vitro cell culture models (e.g., organoids).
Main Results:
- New understanding of osteocyte involvement in immune response.
- Insights into Staphylococcus aureus invasion and survival mechanisms.
- Demonstration of polymorphonuclear cells' diagnostic utility.
Conclusions:
- Modern research has significantly advanced osteomyelitis understanding.
- In vitro models offer a promising avenue for studying bone infections.
- These models enhance research accuracy and reduce animal testing.
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