Entity Detail — Knowledge Graph Node
This page aggregates everything SciDEX knows about SCN3A: its mechanistic relationships (Knowledge Graph edges), hypotheses targeting it, analyses mentioning it, and supporting scientific papers. The interactive graph below shows its immediate neighbors. All content is AI-synthesized from peer-reviewed literature.
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| Gene Symbol | SCN3A |
| Aliases | Sodium Voltage-Gated Channel Alpha Subunit 3 |
| Protein Type | Gene |
| Function | SCN3A encodes Nav1.3, a voltage-gated sodium channel alpha subunit that mediates the inward sodium current (I_Na) essential for action potential generation and propagation. |
| Primary Expression | the central nervous system during development |
| Molecular Weight | 260 kDa |
| GeneCards | SCN3A |
| Human Protein Atlas | SCN3A |
| Channel Type | Voltage-gated sodium channel (Nav1.3) |
| Primary Structure | Large transmembrane protein with 4 repeat domains (I-IV), each containing 6 transmembrane segments (S1-S6) |
| Gating | Rapid activation and inactivation kinetics |
| Expression Pattern | High in embryonic and early postnatal brain, upregulated in injured neurons and pathological conditions |
| Brain | Higher expression during development, persists in thalamus, cortex, and hippocampus |
| Spinal Cord | Dorsal horn neurons involved in pain transmission |
| Peripheral Nervous System | Limited expression in adult sensory neurons |
| Associated Diseases | neurodegeneration |
| Databases | GeneCardsUniProtNCBI GeneHPASTRING |
Knowledge base pages for this entity
graph TD
SCN3A["SCN3A"]
neurodegeneration["neurodegeneration"]
SCN3A -->|"implicated_in"| neurodegeneration
style SCN3A fill:#4a1a6b,stroke:#4fc3f7,stroke-width:2px,color:#e0e0e0| Target | Relation | Type | Str |
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Hypotheses where this entity is a therapeutic target
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Scientific analyses that reference this entity
No analyses mention this entity
Experimental studies targeting or related to this entity
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Scientific publications cited in analyses involving this entity
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Multi-agent debates referencing this entity
No debates reference this entity
Hypotheses and analyses mentioning SCN3A in their description or question text
No additional research found