Journal article

Mutations in KCNT1 cause a spectrum of focal epilepsies

Rikke S Moller, Sarah E Heron, Line HG Larsen, Chiao Xin Lim, Michael G Ricos, Marta A Bayly, Marjan JA van Kempen, Sylvia Klinkenberg, Ian Andrews, Kent Kelley, Gabriel M Ronen, David Callen, Jacinta M McMahon, Simone C Yendle, Gemma L Carvill, Heather C Mefford, Rima Nabbout, Annapurna Poduri, Pasquale Striano, Maria G Baglietto Show all

EPILEPSIA | WILEY | Published : 2015

Abstract

Autosomal dominant mutations in the sodium-gated potassium channel subunit gene KCNT1 have been associated with two distinct seizure syndromes, nocturnal frontal lobe epilepsy (NFLE) and malignant migrating focal seizures of infancy (MMFSI). To further explore the phenotypic spectrum associated with KCNT1, we examined individuals affected with focal epilepsy or an epileptic encephalopathy for mutations in the gene. We identified KCNT1 mutations in 12 previously unreported patients with focal epilepsy, multifocal epilepsy, cardiac arrhythmia, and in a family with sudden unexpected death in epilepsy (SUDEP), in addition to patients with NFLE and MMFSI. In contrast to the 100% penetrance so far..

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University of Melbourne Researchers