Dysregulated Tetrahydrobiopterin Pathways Impairs Oligodendrocyte Differentiation and Remyelination in Multiple Sclerosis Posted byRachelle Ramirez June 24, 2026June 24, 2026 Leave a comment on Dysregulated Tetrahydrobiopterin Pathways Impairs Oligodendrocyte Differentiation and Remyelination in Multiple Sclerosis Zaenab S. Dhari, MD