Background: Aquaporin 4-immunoglobulin G (AQP4-IgG) plays a major role in the pathogenesis of neuromyelitis optica spectrum disorder (NMOSD). Seropositive status for this antibody has become one of th
Objective: To test the hypothesis that serum levels of glial fibrillary acidic protein (GFAP) and neurofilament light chain (NfL), which are intermediate astrocyte and neuron filaments, respectively,
