Cntn2 — Contactin 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.
| Contactin 2 | |
|---|---|
| Gene Symbol | CNTN2 |
| Full Name | Contactin 2 (axonin-1, TAG-1) |
| Chromosome | 1q32.1 |
| NCBI Gene ID | 6900 |
| OMIM | 164395 |
| Ensembl ID | ENSG00000167644 |
| UniProt ID | Q9H5Y1 |
| Associated Diseases | Epilepsy, Autism Spectrum Disorder, Multiple Sclerosis, Amyotrophic Lateral Sclerosis |
CNTN2 Gene is involved in biological pathways relevant to neurodegenerative diseases. It plays important roles in neuronal function, cellular signaling, or stress response mechanisms.
Dysregulation or mutations in this gene/protein contribute to the pathogenesis of Alzheimer's disease, Parkinson's disease, and related neurodegenerative disorders.
CNTN2 encodes contactin 2, a neural cell adhesion molecule belonging to the immunoglobulin superfamily. Contactin 2 (also known as axonin-1 or TAG-1) plays critical roles in:
Contactin 2 is a glycosylphosphatidylinositol (GPI)-anchored protein that interacts with multiple partners including:
CNTN2 is expressed in the developing and adult nervous system:
| Disease | Variants | Inheritance | Mechanism |
|---|---|---|---|
| Epilepsy | R1026X, D1195N | Risk factor | Altered neuronal migration, network hyperexcitability |
| Autism Spectrum Disorder | Missense variants | Risk factor | Impaired synapse formation, social behavior deficits |
| Multiple Sclerosis | - | Modifier | Dysregulated oligodendrocyte function |
| Amyotrophic Lateral Sclerosis | - | Modifier | Altered axonal integrity |
Therapeutic approaches targeting CNTN2 include:
The study of Cntn2 — Contactin 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.