Related Experiment Videos
Pathogenesis and pathophysiology of meningitis.
A R Tunkel1, B Wispelwey, W M Scheld
1Division of Infectious Diseases, University of Virginia School of Medicine, Charlottesville.
Infectious Disease Clinics of North America
|December 1, 1990
Summary
Experimental animal models advance understanding of meningitis pathogenesis. These models investigate bacterial, fungal, and viral meningitis, paving the way for novel treatments.
Area of Science:
- Neuroscience
- Infectious Diseases
- Immunology
Background:
- Meningitis pathogenesis and pathophysiology are primarily understood through experimental animal models.
- These models are crucial for studying bacterial meningitis, focusing on virulence factors, central nervous system (CNS) invasion, and subarachnoid space (SAS) inflammation.
Purpose of the Study:
- To review advances in understanding the pathogenesis and pathophysiology of bacterial, fungal, and viral meningitis.
- To highlight the role of experimental animal models in this understanding.
- To explore the potential for developing innovative treatment strategies based on these advances.
Main Methods:
- Utilizing experimental animal models to study meningitis.
- Investigating bacterial virulence factors and host inflammatory cytokine responses.
- Examining the pathophysiology of CNS invasion and inflammation in bacterial, fungal (Cryptococcus neoformans), and viral meningitis.
Main Results:
- Experimental models have elucidated bacterial virulence factors' roles in CNS infection and inflammation.
- Host inflammatory cytokines are implicated in pathophysiological consequences like increased blood-brain barrier (BBB) permeability, cerebral edema, and intracranial pressure.
- Understanding C. neoformans meningitis in immunocompromised individuals (e.g., AIDS) and viral meningitis mechanisms (hematogenous dissemination) is enhanced.
Conclusions:
- Advances in understanding meningitis pathogenesis and pathophysiology through animal models are significant.
- These insights into bacterial, fungal, and viral meningitis mechanisms offer potential for novel therapeutic strategies.
- Further research using these models may lead to improved treatments for various forms of meningitis.