Symptoms of SCN4A Gene Myasthenic Syndrome Due to Mutation in SCN4A Genetic Test The SCN4A gene is responsible for encoding the alpha subunit of the voltage-gated sodium channel NaV1.4, which is primarily expressed in skeletal muscle cells. Mutations in the SCN4A gene can lead to a variety of neuromuscular disorders, including the SCN4A gene myasthenic […]











