Journal
CNS NEUROSCIENCE & THERAPEUTICS
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/cns.14336
Keywords
autoimmune glial fibrillary acidic protein astrocytopathy; cognitive dysfunction; enteric glia cells; Epstein-Barr virus; midbrain interpeduncal fossa
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This study describes the clinical, laboratory, and imaging characteristics of patients with autoimmune glial fibrillary acidic protein (GFAP) astrocytopathy. It is found that Epstein-Barr virus (EBV) is related to autoimmune GFAP astrocytopathy, and patients exhibit common features in clinical presentation, laboratory tests, and imaging findings.
BackgroundAutoimmune glial fibrillary acidic protein (GFAP) astrocytopathy is a novel autoimmune disease of central nervous system (CNS). It is unclear whether Epstein-Barr virus (EBV) is related to autoimmune GFAP astrocytopathy. ObjectiveTo describe the clinical, laboratory, and imaging characteristics of patients with autoimmune GFAP astrocytopathy. MethodsThe clinical, laboratory, and imaging findings of patients are presented. The levels of GFAP in CSF were detected by ELISA. T and B cell subsets in CSF were detected by flow cytometry. GFAP-IgG in serum and cerebrospinal fluid (CSF) were tested by cell-based assay (CBA) and tissue-based assay (TBA). ResultsAll three patients had fever, cognitive dysfunction, limb weakness, and positive GFAP-IgG with EBV infection in CSF. Enteric glia cells may involve in this disease. Typical imaging findings include the gadolinium enhancement of linear perivascular radial perpendicular to the ventricle, meningeal enhancement (especially in midbrain interpeduncal fossa), longitudinally extensive lesions involving spindle cords, and more T2/Flair-hyperintense lesions in the periventricular white matter at late stage. The patients had poor response to antiviral treatment and strong response to steroid pulse therapy. ConclusionEBV could induce CNS autoimmune response in autoimmune GFAP astrocytopathy. The detection of GFAP-IgG and EBV may facilitate the early diagnosis in these patients.
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