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Molecular assay reagents intended to identify deletions or duplications of the sodium voltage-gated channel alpha subunit 1 (SCN1A) gene, located at chromosome 2q24.3, which encodes the protein sodium channel protein type 1 subunit alpha. Genetic variants at this locus have been associated with familial hemiplegic migraine, generalized epilepsy with febrile seizures, and severe myoclonic epilepsy in infancy.
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