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Acampomelic campomelic dysplasia with SOX9 mutation
M K Thong1, G Scherer, K Kozlowski
1South Australian Clinical Genetics Service, Women's and Children's Hospital, North Adelaide, South Australia, Australia. thongm@cryptic.rch.unimelb.edu.au
American Journal of Medical Genetics
|August 22, 2000
Summary
Acampomelic campomelic dysplasia, a rare variant of campomelic dysplasia (CMD1), lacks long bone curvature. This study details a patient with acampomelic CMD1 and a new SOX9 mutation, aiding genotype-phenotype understanding.
Area of Science:
- Genetics
- Developmental Biology
- Skeletal Dysplasias
Background:
- Campomelic dysplasia (CMD1) is a severe skeletal dysplasia often associated with SOX9 gene mutations.
- Acampomelic campomelic dysplasia is a rare subtype characterized by the absence of limb bowing.
Observation:
- A case of acampomelic campomelic dysplasia (CMD1) in a male infant is presented.
- The patient exhibited a de novo missense mutation in the SOX9 gene.
- Clinical course was followed up to one year of age.
Findings:
- The identified SOX9 mutation is novel and contributes to the acampomelic phenotype.
- This case highlights the critical role of SOX9 in skeletal development.
Implications:
- This finding expands the known spectrum of SOX9 mutations in campomelic dysplasia.
- Further understanding of genotype-phenotype correlations in CMD1 is crucial for diagnosis and management.
- Contributes to the genetic landscape of skeletal dysplasias.