PACS2 pathogenic variant associated with malformation of cortical development and epilepsy

Author:

Checri Rayann1,Dozières‐Puyravel Blandine1ORCID,Elmaleh‐Bergès Monique2,Verloes Alain3,Auvin Stéphane145ORCID

Affiliation:

1. Pediatric Neurology Department, CRMR épilepsies rares, EpiCARE Member AP‐HP, Robert‐Debré University Hospital Paris France

2. Radiology Department AP‐HP, Robert‐Debré University Hospital Paris France

3. Medical Genetics Department, ITHACA ERN Member AP‐HP, Robert‐Debré University Hospital Paris France

4. INSERM NeuroDiderot Université Paris Cité Paris France

5. Institut Universitaire de France (IUF) Paris France

Abstract

AbstractPACS2 pathogenic variants are associated with an autosomal dominant syndrome (OMIM DEE66), associating developmental and epileptic encephalopathy, facial dysmorphism, and cerebellar dysgenesis. However, no malformation of cortical development has been reported yet. We report here a seven‐year‐old child with a history of infantile epileptic spasm syndrome and a right insular polymicrogyria and pachygyria due to de novo PACS2 recurrent mutation c.625G>A (p.Glu209Lys). Our observation raises the question of the role of PACS2 in the cortical development. It also reminds the importance of cerebellar anomalies in the recognition of PACS‐related DEE.

Publisher

Wiley

Subject

Neurology (clinical),Neurology,General Medicine

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