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Year : 2010  |  Volume : 5  |  Issue : 2  |  Page : 147-149

Two female siblings with West syndrome: Familial idiopathic West syndrome with genetic susceptibility and variable phenotypic expression

1 Department of Medical Genetics, Kayseri Education and Research Hospital, Kayseri, Turkey
2 Department of Pediatrics, Erciyes University, Kayseri, Turkey
3 Department of Pediatrics, Medical Faculty, Yamagata University, Yamagata, Japan

Correspondence Address:
Ahmet Okay Caglayan
Kayseri Education and Research Hospital, Department of Medical Genetics 38010, Kayseri
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1817-1745.76116

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The West syndrome (WS) is a characteristic form of epilepsy which usually begins in the first year of life. We describe two female siblings, aged 4 and 2 years, respectively, born from third degree consanguineous parents, with infantile spasms and developmental delay. Epileptic spasms had not a good outcome under antiepileptic drug treatment. Clinical and imaging features were of different severity in both siblings. Routine biochemical tests, metabolic investigations, and chromosomal analysis were normal. We analyzed CDKL5 gene by direct sequences and denaturing high-performance liquid chromatography using Transgenomic WAVE system. Analysis of the CDKL5 gene, which is responsible for female patient with WS, did not show any disease-causing mutation. WS has heterogeneous backgrounds, and may be more than one gene is responsible for its familial forms. In this family, consanguinity is observed in parents, which usually suggests that autosomal recessive inheritance is likely.


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