关键词: ADNFLE CHRNA4 hypermotor seizure nicotinic acetylcholine receptor nocturnal seizure

Mesh : Adult Aged Epilepsies, Partial / complications genetics physiopathology Female Humans Middle Aged Pedigree Receptors, Nicotinic / genetics Sleep Arousal Disorders / etiology genetics physiopathology Young Adult

来  源:   DOI:10.1684/epd.2020.1140   PDF(Sci-hub)

Abstract:
Sleep-related hypermotor epilepsy, or nocturnal frontal lobe epilepsy, as it was formerly called, is a focal epilepsy with mostly sleep-related seizures of hypermotor, tonic or dystonic semiology. Sleep-related hypermotor epilepsy may be attributed to a monogenetic cause with autosomal dominant inheritance. Mutations are described in different genes, including the genes for three subunits of the nicotinic acetylcholine receptor. We present a family with members over four generations exhibiting sleep-related hypermotor epilepsy. Genetic testing was available for three members from three generations, and revealed two variants in the alpha-4 subunit of the nicotinic acetylcholine receptor (one of them being novel) which are likely to be disease-causing. As these mutations were identified in cis configuration (on the same allele), we do not know whether one of the variants alone or a combination of the two is responsible for the pathogenicity.
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