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Molecular assay reagents intended to identify deletions or duplications of the sodium voltage-gated channel beta subunit 1 (SCN1B) gene, located at chromosome 19q13.11, which encodes the protein sodium channel subunit beta-1. Genetic variants at this locus have been associated with Brugada syndrome, early infantile epileptic encephalopathy, familial atrial fibrillation, and generalized epilepsy with febrile seizures.
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