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SCN1A

sodium voltage-gated channel alpha subunit 1

HCNC Approved Symbol
SCN1A (HGNC:10585)
Genomic Coordinates
2:165,984,641 - 166,149,161 (2q24.3)
Synonyms
Nav1.1, GEFSP2, HBSCI, NAC1, SMEI, SCN1, FEB3
Disease Associations
This gene is associated with the following 5 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
Developmental and epileptic encephalopathy 6B, non-Dravet
619317AD
Dravet syndrome
607208AD
Febrile seizures, familial, 3A
604403AD
Generalized epilepsy with febrile seizures plus, type 2
604403AD
Migraine, familial hemiplegic, 3
609634AD

Diagnosed Cases

87Patients

In total, 87 patients were diagnosed with a variant in the SCN1A gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Epilepsy
 34 (39.1%)
Seizures
 23 (26.4%)
Developmental delay
 16 (18.4%)
Global developmental delay
 15 (17.2%)
Intellectual disability
 
10 (11.5%)