Myelination-related proteins (MRPs)

Myelination-related proteins are a collective group of structural and functional proteins essential for the formation and maintenance of the myelin sheath in the central and peripheral nervous systems. Key members of this group include Myelin Basic Protein (MBP), Proteolipid Protein 1 (PLP1), Myelin Oligodendrocyte Glycoprotein (MOG), and Peripheral Myelin Protein 22 (PMP22) (UniProt P02686, P60201, Q16653). These proteins are critical for saltatory conduction, which enables the rapid transmission of electrical impulses along axons, and they provide metabolic support to neurons (StatPearls, Myelin Sheath). In autoimmune conditions such as Multiple Sclerosis, these proteins become the primary targets of the immune system, leading to demyelination, axonal loss, and progressive neurological disability (PubMed, PMID: 30544160). Current pharmacological research focuses on remyelination therapies that stimulate the production of these proteins by promoting the maturation of oligodendrocyte precursor cells. Additionally, these proteins serve as vital clinical biomarkers; for instance, the presence of MBP in cerebrospinal fluid is a hallmark of active demyelination and axonal damage (NIH, Myelin Basic Protein Assay).

Other names

Myelin proteinsMyelin sheath proteinsMyelin-associated proteinsMyelin structural proteins

Therapeutic strategies targeting myelination-related proteins focus on promoting remyelination by inducing the differentiation of oligodendrocyte precursor cells (OPCs) into mature, myelin-forming oligodendrocytes, or by acting as immunomodulatory decoys to divert autoimmune attacks away from native myelin structures (e.g., Glatiramer acetate).