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Updated: Jun 3, 2026

Isolation of Whole Cell Protein Lysates from Mouse Facial Processes and Cultured Palatal Mesenchyme Cells for Phosphoprotein Analysis
Published on: April 1, 2022
FGF signaling in craniofacial biological control and pathological craniofacial development
1Department of Orthodontics and Pediatric Dentistry, University of Michigan, Ann Arbor, MI, USA. nhatch@umich.edu
Fibroblast growth factor receptors (FGFRs) are crucial for craniofacial development. Mutations in FGFRs cause craniosynostosis syndromes, leading to premature skull fusion and skeletal abnormalities.
Area of Science:
- Developmental Biology
- Genetics
- Skeletal Biology
Background:
- Fibroblast growth factor receptors (FGFRs) are transmembrane proteins vital for organ development.
- FGFR signaling regulates craniofacial skeleton development through specific isoforms, growth factors, and proteoglycans.
- Signaling is modulated by endogenous inhibitors.
Purpose of the Study:
- To review the role of FGF/FGFR signaling in craniofacial skeleton development.
- To discuss mechanisms linking FGFR signaling to craniosynostosis syndromes.
- To highlight recent in vitro and in vivo studies on FGFRs in skeletal development.
Main Methods:
- Literature review of in vitro and in vivo studies.
- Analysis of signaling regulation by FGFR isoforms, FGFs, and proteoglycans.
- Examination of gain-of-function mutations in FGFRs associated with craniosynostosis.
Main Results:
- FGFR signaling is critical for normal craniofacial development.
- Gain-of-function mutations in FGFRs lead to craniosynostosis syndromes.
- These mutations cause premature cranial bone fusion and affect facial skeleton, vertebrae, and digits.
Conclusions:
- FGFR signaling pathways are essential for skeletal development.
- Dysregulation of FGFR signaling contributes to congenital craniosynostosis syndromes.
- Further research into FGFR mechanisms can inform treatments for skeletal abnormalities.
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