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February 19, 2026Journal of Pediatric Endocrinology and Metabolism

A novel CEP57 gene mutation in mosaic variegated aneuploidy syndrome 2: case report

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Authors

CVCristina Pellicer ViudesMBMercè BorràsSMSusana Enrique Madrid

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Overview

Case report reveals a novel cep57 mutation causing mosaic variegated aneuploidy syndrome 2, suggesting new genetic insights.

Key Points

  • To report a novel homozygous mutation in the cep57 gene associated with mosaic variegated aneuploidy syndrome 2.
  • Genetic testing including karyotype, array-CGH, and Silver–Russell syndrome screening.
  • Whole exome sequencing to identify mutations.
  • Familial segregation analysis to confirm inheritance patterns.
  • Identification of a likely pathogenic homozygous c.834_844dupCAATGTTCAGC variant in the cep57 gene.
  • Affected individual displayed severe short stature and facial dysmorphism.
  • Mild intellectual disability developed despite initially normal neurodevelopment.

Cite This Study

Viudes et al. (2026) studied this question.

synapsesocial.com/papers/6996a887ecb39a600b3ef505https://doi.org/10.1515/jpem-2025-0643
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