Effects of Established Immune-Mediated Disease Risk Factors on the Risk of AQP4-IgG-Positive Neuromyelitis Optica Spectrum Disorder: A Two-Sample Mendelian Randomization Study Posted byRachelle Ramirez June 24, 2026June 24, 2026 Leave a comment on Effects of Established Immune-Mediated Disease Risk Factors on the Risk of AQP4-IgG-Positive Neuromyelitis Optica Spectrum Disorder: A Two-Sample Mendelian Randomization Study Nahad Sedaghat,