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Clinical spectrum of fibroblast growth factor receptor mutations
M R Passos-Bueno1, W R Wilcox, E W Jabs
1Departamento Biologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil. passos@usp.br
Abstract:
During the last few years, it has been demonstrated that some syndromic craniosynostosis and short-limb dwarfism syndromes, a heterogeneous group comprising of 11 distinct clinical entities, are caused by mutations in one of three fibroblast growth factor receptor genes (FGFR1, FGFR2, and FGFR3). The present review list all mutations described to date in these three genes and the phenotypes associated with them. In addition, the tentative phenotype-genotype correlation is discussed, including the most suggested causative mechanisms for these conditions.
Insights
Mutations in fibroblast growth factor receptor genes (FGFR1, FGFR2, FGFR3) cause syndromic craniosynostosis and short-limb dwarfism. This review details these mutations, associated phenotypes, and potential causative mechanisms.
Area of Science:
- Genetics
- Molecular Biology
- Developmental Biology
Background:
- Syndromic craniosynostosis and short-limb dwarfism encompass 11 distinct clinical conditions.
- Recent research links these disorders to mutations in fibroblast growth factor receptor genes (FGFR1, FGFR2, FGFR3).
Purpose of the Study:
- To compile a comprehensive list of all identified mutations in FGFR1, FGFR2, and FGFR3.
- To correlate these genetic mutations with their associated clinical phenotypes.
- To discuss proposed mechanisms underlying these genetic disorders.
Main Methods:
- Literature review of published studies on FGFR gene mutations.
- Systematic compilation of mutation data and associated phenotypes.
- Analysis of proposed genotype-phenotype correlations and causative mechanisms.
Main Results:
- Detailed catalog of mutations within FGFR1, FGFR2, and FGFR3 genes.
- Comprehensive documentation of the diverse phenotypes linked to specific mutations.
- Identification of recurring mutation patterns and their phenotypic consequences.
Conclusions:
- FGFR gene mutations are a primary cause of syndromic craniosynostosis and short-limb dwarfism.
- Understanding genotype-phenotype correlations aids in diagnosis and potential therapeutic strategies.
- Further research into causative mechanisms can inform future treatment approaches.