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Updated: Jul 5, 2026
07:54
In vitro Synthesis of Native, Fibrous Long Spacing and Segmental Long Spacing Collagen
Published on: September 20, 2012
Caffey disease: an unlikely collagenopathy
1Department of Surgery, McGill University, Shriners Hospital for Children, Montréal, Quebec, Canada. glorieux@shriners.mcgill.ca
The Journal of Clinical Investigation
|May 3, 2005
Summary
A novel mutation in the COL1A1 gene is linked to infantile cortical hyperostosis (Caffey disease). This finding differs from other collagen type I defects, suggesting a unique mechanism for this bone disorder.
Area of Science:
- Genetics
- Molecular Biology
- Pediatrics
Background:
- Infantile cortical hyperostosis (Caffey disease) presents with bone abnormalities and inflammation.
- The genetic basis for autosomal dominant Caffey disease has been investigated.
Purpose of the Study:
- To identify the genetic cause of autosomal dominant infantile cortical hyperostosis.
- To investigate the role of collagen type I in Caffey disease pathogenesis.
Main Methods:
- Fine mapping of the genetic locus in affected families.
- Mutation analysis of the COL1A1 gene.
- Assessment of collagen fibril morphology.
Main Results:
- A novel missense mutation in COL1A1 was identified in affected individuals across three pedigrees.
- This mutation affects the alpha1 chain of type I collagen.
- The mutation demonstrated a deleterious effect on collagen fibril morphology.
Conclusions:
- The identified COL1A1 mutation is associated with autosomal dominant infantile cortical hyperostosis.
- This contrasts with other COL1A1 mutations causing osteogenesis imperfecta or Ehlers-Danlos syndrome.
- Further research is needed to elucidate the functional link between this mutation and Caffey disease manifestations.
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