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Molecular assay reagents intended to identify mutations in the cholinergic receptor, nicotinic, alpha polypeptide 4 (CHRNA4) gene, located at chromosome 20q13.2-q13.3, which encodes for a subunit of a receptor that mediates fast signal transmission at synapses. Mutations at this locus have been identified in many patients with autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE) and other forms of epilepsy.
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