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Single Nucleotide Polymorphisms of GABRG2 in Febrile Seizures and GEFS+ / 대한소아신경학회지
Journal of the Korean Child Neurology Society ; (4): 144-151, 2005.
Article Dans Coréen | WPRIM | ID: wpr-184752
ABSTRACT

PURPOSE:

Febrile seizures are characterized by a heterogenous phenotype segregating as an autosomal dominant trait with incomplete penetrance. Mutations in GABRG2 gene were identified in two families with generalized epilepsy and febrile seizures plus (GEFS+) and with absence epilepsy and febrile seizures(FSs). The present study assessed the role of GABRG2 gene in FSs and GEFS+ of the Korean population.

METHODS:

66 FSs, 20 GEFS+ and 94 healthy control subjects were selected throughout a collaborative study of Catholic Child Neurology Research Group. The SNP211037 of GABRG2 was screened by DHPLC. DNA fragments showing variant chromatograms were subsequently sequenced. Genotypes and allelic frequencies for GABRG2 gene polymorphism in three groups were compared.

RESULTS:

The number of individuals with the GABRG2(SNP211037)-C/C genotype in patients with FSs was significantly greater compared with that in healthy control subjects and the GABRG2(SNP211037)-C allele frequency in patients with FSs was significantly higher than that in healthy control subjects. The odds ratio for developing FSs in individuals with the GABRG2(SNP211037)-CC genotype was 5.96 compard with individuals with the GABRG2(SNP211037)-T/T genotype. In contrast, the GABRG2 (SNP211037) gene in GEFS+ and control groups was not significantly different.

CONCLUSION:

Theses data suggest that genomic variations of GABRG2 might be one of the susceptibility factors for FSs in the Korean population.
Sujets)

Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Phénotype / ADN / Odds ratio / Épilepsie généralisée / Petit mal épileptique / Crises convulsives fébriles / Pénétrance / Polymorphisme de nucléotide simple / Fréquence d'allèle / Génotype Type d'étude: Etude d'étiologie / Étude pronostique Limites du sujet: Enfant / Humains langue: Coréen Texte intégral: Journal of the Korean Child Neurology Society Année: 2005 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Phénotype / ADN / Odds ratio / Épilepsie généralisée / Petit mal épileptique / Crises convulsives fébriles / Pénétrance / Polymorphisme de nucléotide simple / Fréquence d'allèle / Génotype Type d'étude: Etude d'étiologie / Étude pronostique Limites du sujet: Enfant / Humains langue: Coréen Texte intégral: Journal of the Korean Child Neurology Society Année: 2005 Type: Article