A Patient-Friendly Guide to Recognizing and Diagnosing MOG Antibody Disease (MOGAD) MOG Antibody Disease, often abbreviated as MOGAD, is a condition where the immune system mistakenly attacks a protein called myelin oligodendrocyte glycoprotein (MOG) in the nervous system. This guide is designed to help you understand the common symptoms of MOGAD, the testing processes involved… Continue reading How do I know if I have MOG antibody disease (MOGAD)?