Dvl2 — Dishevelled Segment Polarity Protein 2 is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
| Gene Symbol | DVL2 |
| Full Name | Dishevelled Segment Polarity Protein 2 |
| Chromosome | 17p13.1 |
| NCBI Gene ID | 1656 |
| OMIM | 601369 |
| Ensembl ID | ENSG00000104164 |
| UniProt ID | O14681 |
| Associated Diseases | Neurodevelopmental Disorders, Alzheimer's Disease |
DVL2 (Dishevelled Segment Polarity Protein 2) is a key component of the Wnt/β-catenin signaling pathway, involved in neuronal development, synaptic plasticity, and axonal guidance. The DVL2 gene encodes a cytoplasmic protein with DIX, PDZ, and DEP domains that mediate protein-protein interactions critical for Wnt signal transduction.
DVL2 encodes a member of the Dishevelled (Dvl) protein family, which plays a central role in the Wnt/β-catenin signaling pathway. Dvl proteins are key cytoplasmic intermediates that transduce Wnt signals from the cell surface to the nucleus. Dvl2 contains an N-terminal DIX domain, a central PDZ domain, and a C-terminal DEP domain, each mediating distinct protein-protein interactions.
In the nervous system, DVL2 is involved in neuronal development, synaptic plasticity, and axonal guidance. It regulates dendritic morphogenesis, spine formation, and synaptic transmission through its interactions with various postsynaptic proteins.
Expressed throughout the developing and adult brain, with high expression in the cerebral cortex, hippocampus, and cerebellum. DVL2 is particularly enriched in synaptic fractions.
| Disease | Variants | Inheritance | Mechanism |
|---|---|---|---|
| Neurodevelopmental Disorders | De novo missense | AD | Altered Wnt signaling during brain development |
| Alzheimer's Disease | — | Risk factor | Dysregulated Wnt signaling, impaired synaptic plasticity |
Modulating DVL2 and Wnt signaling represents a therapeutic strategy for neurodegenerative diseases. Small molecule activators of Wnt signaling are being explored for AD treatment.
The study of Dvl2 — Dishevelled Segment Polarity Protein 2 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.