The clinical spectrum of familial hemiplegic migraine associated with mutations in a neuronal calcium channel by Ducros A, Denier C, Joutel A, Cecillon M, Lescoat C, Vahedi K, Darcel F, Vicaut E, Bousser M G, Tournier-Lasserve E in The New England journal of medicine (2001). PubMed

Abstract

Familial hemiplegic migraine, an autosomal dominant disorder characterized by attacks of transient hemiparesis followed by a migraine headache, is classically divided into pure familial hemiplegic migraine (affecting 80 percent of families) and familial hemiplegic migraine with permanent cerebellar signs (affecting 20 percent of families). Mutations in CACNA1A, which encodes a neuronal calcium channel, are present in 50 percent of families with hemiplegic migraine, including all those with cerebellar signs. We studied the various clinical manifestations associated with mutations in CACNA1A in families with hemiplegic migraine with and without cerebellar signs.

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