In a pivotal and meticulously conducted study involving 171 patients diagnosed with neuromyelitis optica spectrum disorder (NMOSD), researchers have illuminated a powerful new biomarker pathway that could dramatically reshape disease monitoring and therapeutic approaches. The investigation focused on fluctuations in Aquaporin-4 immunoglobulin G (AQP4-IgG) antibody titers — a known hallmark of NMOSD — and uncovered […]