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In Vitro Analysis of Myd88-mediated Cellular Immune Response to West Nile Virus Mutant Strain Infection
Published on: November 27, 2014
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West Nile Virus infection triggering autoimmune encephalitis: Pathophysiological and therapeutic implications
P Karagianni1, H Alexopoulos1, A Sourdi2
1Department of Pathophysiology, Faculty of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
Clinical Immunology (Orlando, Fla.)
|August 28, 2019
Summary
Pathogen infections can trigger autoimmune encephalitis. West Nile Virus infection in a patient led to autoimmune encephalitis, suggesting a link between viral infections and autoimmune conditions.
Area of Science:
- Neurology
- Immunology
- Infectious Diseases
Background:
- Pathogen infections are recognized triggers for autoimmune phenomena.
- Autoimmune encephalitis represents a spectrum of neurological disorders.
- Understanding infection-associated autoimmunity is crucial for diagnosis and treatment.
Observation:
- A patient presented with West Nile Virus infection.
- The patient subsequently developed autoimmune encephalitis.
- Anti-glycine receptor antibodies were detected in the patient's serum.
Findings:
- Combination therapy with corticosteroids and intravenous immunoglobulin effectively resolved encephalitis symptoms.
- In silico analysis revealed sequence similarities between West Nile Virus antigens and glycine receptor fragments.
- This suggests a potential molecular mimicry mechanism in autoimmunization.
Implications:
- West Nile Virus infection is identified as a potential trigger for autoimmune encephalitis.
- This case expands the known spectrum of infection-associated autoimmune conditions.
- Further research is needed to elucidate the precise autoimmunization process, distinguishing between molecular mimicry and natural autoantibody clone expansion.
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