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High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum
Published on: November 23, 2013
Cerebrospinal fluid pentraxin 3 and CD40 ligand in anti-N-menthyl-d-aspartate receptor encephalitis
Baozhu Liu1, Peiying Ai1, Dong Zheng2
1Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
Abstract:
Anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis is an autoimmune disorder of the central nervous system whose pathogenesis involves interleukin (IL)-6 and IL-17A. We examined the correlations between CSF concentrations of the acute-phase protein pentraxin 3 (PTX3), the chronic inflammatory mediator CD40L, IL-6, and IL-17A in anti-NMDAR encephalitis, and the impact on clinical outcome. PTX3, CD40L, IL-6, and IL-17A were significantly higher in the CSF of patients with anti-NMDAR encephalitis than in controls. Within the former, PTX3 levels correlated positively with IL-6 and the mRS, and CD40L levels with IL-17A and the mRS. Higher PTX3 and CD40L levels may reflect the underlying neuroinflammation.
Insights
This study found higher levels of specific inflammatory markers, pentraxin 3 (PTX3) and CD40L, in the cerebrospinal fluid (CSF) of patients with anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis, correlating with disease severity.
Area of Science:
- Neuroimmunology
- Autoimmune Neurology
- Central Nervous System Disorders
Background:
- Anti-N-methyl-d-aspartate receptor (NMDAR) encephalitis is a severe autoimmune disorder affecting the central nervous system.
- Interleukin (IL)-6 and IL-17A are implicated in the pathogenesis of anti-NMDAR encephalitis.
Purpose of the Study:
- To investigate the correlation between cerebrospinal fluid (CSF) concentrations of pentraxin 3 (PTX3) and CD40L with IL-6 and IL-17A in anti-NMDAR encephalitis.
- To assess the impact of these inflammatory markers on clinical outcomes.
Main Methods:
- Measurement of CSF levels of PTX3, CD40L, IL-6, and IL-17A in patients with anti-NMDAR encephalitis and control subjects.
- Correlation analysis between inflammatory marker levels and the modified Rankin Scale (mRS) for clinical outcome.
Main Results:
- CSF concentrations of PTX3, CD40L, IL-6, and IL-17A were significantly elevated in anti-NMDAR encephalitis patients compared to controls.
- PTX3 levels positively correlated with IL-6 and mRS scores.
- CD40L levels positively correlated with IL-17A and mRS scores.
Conclusions:
- Elevated CSF PTX3 and CD40L levels in anti-NMDAR encephalitis may serve as indicators of underlying neuroinflammation.
- These findings highlight potential biomarkers for assessing disease activity and severity in anti-NMDAR encephalitis.
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