Early onset myoclonic epilepsy and 15q26 microdeletion: observation of the first case

Domenica Immacolata Battaglia, Marcella Zollino, Chiara Veredice, Flaviana Bianco, Ilaria Contaldo, Daniela Orteschi, Maria Chiara Stefanini, Donatella Lettori, Francesco Guzzetta

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The authors report the study of a 30-month-old girl with refractory myoclonic epilepsy associated with mental retardation, growth delay, peculiar facial appearance, and minor physical anomalies. Extensive genetic studies were performed, including an array-based comparative genomic hybridization (array-CGH) that showed a cryptic interstitial deletion of 15q (5 Mb) affecting the 15q26.1-26.2 region. Partial deletions of the long arm of chromosome 15, including the 15q26 region, were observed in syndromic associations that typically include congenital diaphragmatic hernia, but neurologic features were poorly described and epileptic seizures were never reported. Our findings suggest that genes for seizures could be included in the 15q26.1q26.2 deletion interval.
Original languageEnglish
Pages (from-to)1810-1815
Number of pages6
JournalEpilepsia
Volume50
DOIs
Publication statusPublished - 2009

Keywords

  • Abnormalities, Multiple
  • Adult
  • Age of Onset
  • Child, Preschool
  • Chromosome Deletion
  • Chromosomes, Human, Pair 15
  • Comparative Genomic Hybridization
  • Epilepsies, Myoclonic
  • Female
  • Hernia, Diaphragmatic
  • Humans
  • In Situ Hybridization, Fluorescence
  • Intellectual Disability
  • Magnetic Resonance Imaging
  • Male
  • Oligonucleotide Array Sequence Analysis
  • Syndrome

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