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http://dx.doi.org/10.1111/j.1469-8749.2010.03888.x | DOI Listing |
Seizure
December 2024
Medipol University Faculty of Medicine, Department of Pediatrics, Division of Pediatric Neurology, Istanbul, Turkiye.
Objective: To evaluate the etiology-specific diagnosis of early-onset developmental epileptic encephalopathies (EO-DEEs) in a nationwide Turkish cohort to determine the implications for therapeutic management.
Methods: The cohort comprised 1450 patients who underwent EO-DEE. The utility of genetic testing was assessed with respect to the initial phases of next generation sequencing (NGS) (2005-2013) and the current NGS era (2014-2022).
Neuropediatrics
December 2016
Department of Neurology and Neurorehabilitation, Children's Clinic, Tartu University Hospital, Tartu, Estonia.
Cyclin-dependent kinase-like 5 () gene mutations have mainly been found in females with early infantile epileptic encephalopathy (EIEE), severe intellectual disability, and Rett-like features. To date, only 22 boys have been reported, presenting with far more severe phenotypic features. We report the first cases of gene-related EIEE in Estonia diagnosed using panels of epilepsy-associated genes and describe the phenotype-genotype correlations in three male and one female patient.
View Article and Find Full Text PDFTurk J Pediatr
August 2016
Division of Child Neurology, Department of Pediatrics, Ege University Faculty of Medicine, Izmir, Turkey.
Cyclin-dependent kinase-like 5 gene-related epileptic encephalopathy is gradually becoming better known in child neurology practice. The related gene mutations cause early infantile epileptic encephalopathy characterized by intractable epilepsy, severe mental retardation and, later, the development of Rett syndrome-like features. Herein, we report the first two Turkish cases of cyclin-dependent kinase-like 5 gene-related epileptic encephalopathy with novel mutations in exon 8, which is located in the catalytic domain of the gene.
View Article and Find Full Text PDFEpilepsia
November 2014
Pediatric Neurology and Neurogenetics Unit and Laboratories, A. Meyer Children's Hospital-University of Florence, Florence, Italy.
Objective: Mutations involving the cyclin-dependent kinase-like 5 (CDKL5) gene cause an early onset epileptic encephalopathy (EE) with severe neurologic impairment and a skewed 12:1 female-to-male ratio. To date, 18 mutations have been described in boys. We analyzed our cohort of boys with early onset EE to assess the diagnostic yield of our molecular approach.
View Article and Find Full Text PDFEpilepsia
December 2012
Pediatric Neurology Unit and Laboratories, Children's Hospital A. Meyer-University of Florence, Florence, Italy.
Rett syndrome is an X-linked neurodevelopmental disorder that manifests in early childhood with developmental stagnation, and loss of spoken language and hand use, with the development of distinctive hand stereotypies, severe cognitive impairment, and autistic features. About 60% of patients have epilepsy. Seizure onset before the age of 3 years is unlikely, and onset after age 20 is rare.
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