Primary Progressive Multiple Sclerosis, also known as multiple sclerosis, primary progressive, is related to relapsing-remitting multiple sclerosis and multiple sclerosis. An important gene associated with Primary Progressive Multiple Sclerosis is MOG (Myelin Oligodendrocyte Glycoprotein), and among its related pathways/superpathways are Cytokine Signaling in Immune system and Overview of interferons-mediated signaling pathway. The drugs Dalfampridine and Potassium Channel Blockers have been mentioned in the context of this disorder. Affiliated tissues include brain and spinal cord, and related phenotypes are cellular and immune system