PCDH19 mutation in Japanese females with epilepsy.

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Higurashi N, Shi X, Yasumoto S, Oguni H, Sakauchi M, Itomi K, Miyamoto A, Shiraishi H, Kato T, Makita Y, Hirose S

PCDH19 mutation in Japanese females with epilepsy.

Epilepsy Res. 2012 Mar;99(1-2):28-37. doi: 10.1016/j.eplepsyres.2011.10.014. Epub 2011 Nov 1.

PubMed ID
22050978 [ View in PubMed

PURPOSE: To determine the significance of PCDH19 mutations in Japanese females with epilepsy and to delineate their phenotypes. METHODS: PCDH19 sequencing analysis was performed in 116 females with various epilepsies, including 97 with Dravet syndrome (83.6%). They were referred for SCN1A analysis, and 52 carried SCN1A mutations. RESULTS: Seven heterozygous mutations in exon 1 were identified in 7 patients (6.0%): 2 frameshift, 2 nonsense, and 3 missense mutations. One patient was a monozygotic twin, and her sister with mild phenotype carried the same mutation. The main clinical features among these 8 patients included early seizure onset (

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