Target intelligence / Profile preview

Sodium channel protein type 8 subunit alpha (Nav1.6)

Target
Nav1.6
Molecular classification
Ion channel, Voltage-gated ion channel, Sodium channel
01

Overview

Sodium channel protein type 8 subunit alpha (Nav1.6) is the pore-forming alpha subunit of a voltage-gated sodium channel complex, encoded by the SCN8A gene. It is essential for initiating and propagating action potentials in neurons, especially at nodes of Ranvier where it enables rapid saltatory conduction. Mutations in SCN8A are associated with severe neurological disorders, particularly epileptic encephalopathy, characterized by early-onset seizures and intellectual disability due to altered channel gating properties.

Other names
SCN8ACERIIICIATEIEE13MEDNaCh6PN4sodium voltage-gated channel alpha subunit 8BFIS5MYOCL2DEE13
02

Mechanism of action

Voltage-gated sodium channel blockade/modulation

03

Biological functions

Action potential generationNeuronal excitabilitySodium ion transmembrane transportSaltatory conduction
04

Disease associations

Epileptic encephalopathyEarly infantile epileptic encephalopathySeizuresIntellectual disability
05

Safety considerations

Potential for off-target effects on other sodium channelsRisk of cardiac arrhythmias

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