期刊
EPILEPSIA
卷 49, 期 3, 页码 500-508出版社
WILEY
DOI: 10.1111/j.1528-1167.2007.01415.x
关键词
epileptic seizures; familial hemiplegic migraine; Na+; K+-ATPase
Purpose: Mutations in the ATP1A2 gene have been described in families with familial hemiplegic migraine (FHM). FHM is a variant of migraine with aura characterized by the occurrence of hemiplegia during the aura. Within several FHM families, some patients also had epileptic seizures. In this study we tested the hypothesis that mutations in ATP1A2 may be common in patients presenting with epilepsy and migraine. Methods: We selected 20 families with epilepsy and migraine and performed mutation analysis of ATP1A2 in the probands by direct sequencing of all exons and splice-site junctions. Results: Novel ATP1A2 mutations were found in two of the 20 families (10%). The p.Gly900Arg mutation was present in a family with epilepsy and FHM, and the p.Cys702Tyr mutation occurred in a family with occipitotemporal epilepsy and migraine with and without visual aura. In the two families together, six mutation carriers had the combination of epilepsy and migraine, two had only epilepsy, and six had only migraine. Discussion: This study shows that a history of migraine and a family history of both epilepsy and migraine should be obtained in all patients presenting with epilepsy in the epilepsy clinic. It may be worthwhile to screen patients with a combination of epilepsy and migraine and a positive family history of either migraine or epilepsy for mutations in the ATP1A2 gene.
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