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Prognostic Factors in Anti-Neuronal Antibody Positive Patients
Çağla Aydin1, Şenay Yıldız Çelik1, Sema İçöz1
1Department of Neurology, Istanbul University, Faculty of Medicine, İstanbul, Turkey.
Noro Psikiyatri Arsivi
|July 31, 2018
Summary
Anti-neuronal antibody (ANA) type is the primary prognostic factor in patients with neurological syndromes. Antibody targeting extracellular or synaptic antigens indicates a good prognosis and treatment response, regardless of tumor presence or MRI findings.
Area of Science:
- Neurology
- Immunology
- Oncology
Background:
- Anti-neuronal antibodies (ANA) are biomarkers in paraneoplastic neurological syndromes and autoimmune encephalitis.
- Understanding prognostic factors in ANA-seropositive patients is crucial for clinical management.
Purpose of the Study:
- To identify prognostic factors associated with anti-neuronal antibody (ANA) seropositivity in a Turkish cohort.
- To analyze the relationship between antibody type, clinical presentation, and patient outcomes.
Main Methods:
- A cohort of 27 ANA-seropositive patients was analyzed.
- ANA detection utilized immunofluorescence, immunoblot, and cell-based assays.
- Clinical data, tumor status, MRI, and oligoclonal bands (OCB) were correlated with prognosis and treatment response.
Main Results:
- N-methyl-D-aspartate receptor (NMDAR), Hu, and Ma2 antibodies were most prevalent.
- Antibodies targeting extracellular or synaptic antigens correlated with good prognosis and treatment response.
- Tumor presence, cranial MRI lesions, or OCB were not significant prognostic indicators.
Conclusions:
- Antibody type is the most significant prognostic factor in ANA-seropositive patients.
- NMDAR, Hu, and Ma2 antibodies represent the most common ANA targets in this cohort.
- Prognosis is primarily determined by the specific antibody identified.
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