miR-219

miR-219 is a microRNA that serves as a critical regulator of oligodendrocyte differentiation and myelination within the central nervous system. It functions by post-transcriptionally repressing several inhibitory factors of myelination, including Platelet-derived growth factor receptor alpha (PDGFRα) and Forkhead box J3 (Foxj3). In the context of vascular dementia (VaD) and other white matter diseases, miR-219 expression is often reduced, leading to impaired oligodendrocyte progenitor cell (OPC) maturation and subsequent white matter damage. Therapeutic approaches focusing on the augmentation of miR-219 levels, such as through the use of synthetic miR-219 mimics or gene therapy, are being investigated to promote remyelination, restore white matter integrity, and alleviate cognitive and behavioral deficits associated with vascular dementia and multiple sclerosis.

Other names

miRNA-219miRNA219miRNA 219