S267P mutation in FGFR2: first report in a patient with Crouzon syndrome
Ronghu Ke1, Xianxian Yang, Min Ge
1From the *Department of Plastic and Reconstructive Surgery, Huashan Hospital, Fudan University School of Medicine; and the †Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jaio Tong University School of Medicine, Shanghai, China.
Insights
Fibroblast growth factor receptor 2 (FGFR2) gene mutations cause craniosynostosis syndromes. A novel S267P mutation in FGFR2 was identified in a patient with Crouzon syndrome, expanding the known genetic causes.
Area of Science:
- Genetics
- Molecular Biology
- Developmental Biology
Background:
- Syndromic craniosynostosis, including Apert, Crouzon, and Pfeiffer syndromes, are known to be caused by mutations in the fibroblast growth factor receptor 2 (FGFR2) gene.
- FGFR2 mutations lead to premature fusion of cranial sutures, impacting skull development.
Observation:
- A patient clinically diagnosed with Crouzon syndrome was analyzed for genetic mutations.
- The study focused on identifying specific genetic alterations within the FGFR2 gene in this patient.
Findings:
- A novel missense point mutation, S267P, was identified in the FGFR2 gene of the Crouzon syndrome patient.
- This S267P mutation is reported for the first time in association with Crouzon syndrome.
Implications:
- The discovery of the S267P mutation expands the known molecular spectrum of FGFR2 mutations in Crouzon syndrome.
- This finding contributes to a better understanding of the genetic heterogeneity underlying syndromic craniosynostosis.
- Further research may elucidate the specific pathogenic mechanisms of this novel FGFR2 mutation.
Abstract:
It has been known for several years that mutations in the fibroblast growth factor receptor (FGFR2) result in syndromic craniosynostosis including Apert, Crouzon, or Pfeiffer syndromes. Here, we report on a child with a clinically diagnosed Crouzon syndrome that shows the missense point mutation S267P in FGFR2 gene. The mutation is firstly identified in Crouzon syndrome. Our observations expand the molecular spectrum of FGFR2 mutations in the syndrome.
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