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Related Experiment Videos

Acampomelic campomelic syndrome.

U Moog1, N J Jansen, G Scherer

  • 1Department of Clinical Genetics, University of Maastricht, PO Box 1475, 6201 BL Maastricht, The Netherlands. ute.moog@gen.unimaas.nl

American Journal of Medical Genetics
|December 26, 2001
PubMed
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Campomelic dysostosis (CD) is a skeletal disorder often causing limb bowing. A specific variant, acampomelic campomelic dysostosis (ACD), may result from SOX9 gene mutations, suggesting a genotype-phenotype correlation.

Area of Science:

  • Genetics
  • Skeletal Dysplasias
  • Developmental Biology

Background:

  • Campomelic dysostosis (CD) is an autosomal dominant skeletal malformation syndrome.
  • It is characterized by limb bowing, distinctive thoracic and pelvic anomalies, and frequently leads to respiratory failure and sex reversal in XY individuals.
  • Mutations in the SOX9 gene are the primary cause of CD, impacting skeletal and genital development.

Observation:

  • This study details a chromosomally normal boy with acampomelic campomelic dysostosis (ACD), a variant of CD without significant limb bowing.
  • The patient was followed clinically for two years.
  • A heterozygous SOX9 missense mutation (H165Y) was identified in this patient.

Findings:

  • The identified SOX9 missense mutation (H165Y) in a patient with ACD adds to a small number of similar cases.

Related Experiment Videos

  • This finding supports the emergence of a genotype-phenotype correlation specifically for the ACD variant of campomelic dysostosis.
  • Previous research indicated that chromosomal rearrangements affecting SOX9 regulatory elements can also cause CD, sometimes with mild or absent campomelia.

    • Implications:

    • Further research is needed to confirm the genotype-phenotype correlation for ACD, potentially refining diagnostic and prognostic approaches.
    • Understanding SOX9 mutations in ACD can improve the clinical management of affected individuals.
    • This study contributes to the broader understanding of SOX9 gene function in skeletal development and its role in rare genetic disorders.