Chromothriptic Translocation t(1;18): A Paradigm of Genomic Complexity in a Child with Normal Intellectual
Raffaele Falsaperla1,2, Eliana Salvo3, Annamaria Sapuppo4
1Department of Medical Science, Pediatrics, University of Ferrara, 44124 Ferrara, Italy.
This study investigates a rare form of pyridoxine-dependent epilepsy (PDE) in a child with normal development. Complex genomic rearrangements, not single gene mutations, were identified as the likely cause of this unique pyridoxine-dependent neurological disorder.
Area of Science:
- Genetics
- Neurology
- Epilepsy Research
Background:
- Pyridoxine-dependent epilepsy (PDE) is a rare genetic disorder causing treatment-resistant seizures, typically linked to ALDH7A1, PNPO, or PLPBP gene variants.
- Some PDE patients lack confirmed molecular diagnoses despite exhibiting characteristic phenotypes and pyridoxine responsiveness.
- This study focuses on a child with a 13-year history of PDE and normal intellectual development, whose condition improved with pyridoxine but had unremarkable whole-exome sequencing (WES) results.
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