Plp2 Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
PLP2 (Proteolipid Protein 2, also known as Myelin Protein 2) is a minor integral membrane protein expressed primarily in oligodendrocytes within the central nervous system (CNS). While less abundant than its relative PLP1, PLP2 plays essential roles in myelin sheath maintenance, oligodendrocyte survival, and CNS lipid homeostasis. PLP2 is encoded by the PLP2 gene and belongs to the proteolipid family of transmembrane proteins characterized by their high hydrophobicity and affinity for lipid membranes. [1]
| Property | Value | [2]
|----------|-------| [3]
| Protein Name | Proteolipid Protein 2 | [4]
| Gene Symbol | PLP2 | [5]
| UniProt ID | P60228 | [6]
| Molecular Weight | ~20.5 kDa (176 amino acids) | [7]
| Isoforms | Multiple splice variants |
| Topology | Four-transmembrane domain protein |
| Subcellular Localization | Plasma membrane, Endoplasmic reticulum, Myelin sheath |
| Protein Family | PLP/DM20 family (PF0125) |
PLP2 exhibits the characteristic four-transmembrane domain structure shared with PLP1 and DM20. The protein contains:
PLP2 expression is predominantly CNS-restricted:
PLP2 contributes to the lipid-protein matrix of CNS myelin:
PLP2 is implicated in demyelinating conditions:
While primarily associated with PLP1 mutations, PLP2 abnormalities may modify disease severity:
Emerging research suggests PLP2 may play roles in AD:
PLP2 interacts with cholesterol homeostasis pathways:
PLP2-related therapeutic strategies include:
The study of Plp2 Protein has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
Simons et al. Lipid rafts in oligodendrocytes (2002). 2002. ↩︎
Aggarwal et al. PLP2 expression in oligodendrocytes (2011). 2011. ↩︎
Bosio et al. Cholesterol and proteolipid protein interaction (1996). 1996. ↩︎
McTigue & Tripathi, Remyelination in multiple sclerosis (2008). 2008. ↩︎
Jurevics et al. PLP2 gene regulation (2002). 2002. ↩︎
Michalski et al. Myelin proteolipid protein isoforms (2011). 2011. ↩︎