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. 2013 Nov;16(11):1119–1132.

Table 1.

Channelopathies in idiopathic epilepsy (62, 68)

Epilepsy phenotype Channel (Gene involved)
Sodium Potassium Chloride Calcium GABA Acetylcholine
Autosomal dominant nocturnal frontal lobe epilepsy CHRNA4, CHRNB2
Benign familial neonatal infantile seizures SCN2A
Benign familial neonatal seizures KCNQ2,KCNQ3
Childhood absence epilepsy CLCN2 CACNA1H GABRG2
Epilepsy with grand mal seizures on awakening CLCN2
Episodic ataxia type 1 KCNA1
Episodic ataxia type 2 CACNA1A, CACNB4
Familial hemiplegic migraine CACNA1A
Febrile seizures GABRG2
Generalized epilepsy with febrile seizures plus SCN1A, SCN2A, SCN1B GABRG2
Generalized epilepsy with paroxysmal dyskinesia KCNMA1
Infantile spasms SCN1A
Intractable childhood epilepsy with generalized tonic-clonic seizures SCN1A
Juvenile absence epilepsy CLCN2
Juvenile myoclonic epilepsy CLCN2 GABRA1,GABRD
Myokymia KCNQ2
Severe myoclonic epilepsy of infancy SCN1A GABRG2
Spinocerebellar ataxia type 6 CACNA1A