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SCN9A

sodium voltage-gated channel alpha subunit 9

HCNC Approved Symbol
SCN9A (HGNC:10597)
Genomic Coordinates
2:166,195,185 - 166,375,987 (2q24.3)
Synonyms
Nav1.7, PN1, NE-NA, NENA, ETHA
Disease Associations
This gene is associated with the following 5 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
Erythermalgia, primary
133020AD
Insensitivity to pain, congenital
243000AR
Neuropathy, hereditary sensory and autonomic, type IID
243000AR
Paroxysmal extreme pain disorder
167400AD
Small fiber neuropathy
133020AD

Diagnosed Cases

8Patients

In total, 8 patients were diagnosed with a variant in the SCN9A gene.

Frequently observed phenotypes

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

Seizures
 2 (25.0%)
Peripheral axonal degeneration
 
1 (12.5%)
Peripheral nerve disease
 
1 (12.5%)
Peripheral nervous system disease
 
1 (12.5%)
Peripheral neuropathy, sensory
 
1 (12.5%)