Abstract:
:Activating mutations in the genes for fibroblast growth factor receptors 1-3 (FGFR1-3) are responsible for a diverse group of skeletal disorders. In general, mutations in FGFR1 and FGFR2 cause the majority of syndromes involving craniosynostosis, whereas the dwarfing syndromes are largely associated with FGFR3 mutations. Osteoglophonic dysplasia (OD) is a "crossover" disorder that has skeletal phenotypes associated with FGFR1, FGFR2, and FGFR3 mutations. Indeed, patients with OD present with craniosynostosis, prominent supraorbital ridge, and depressed nasal bridge, as well as the rhizomelic dwarfism and nonossifying bone lesions that are characteristic of the disorder. We demonstrate here that OD is caused by missense mutations in highly conserved residues comprising the ligand-binding and transmembrane domains of FGFR1, thus defining novel roles for this receptor as a negative regulator of long-bone growth.
journal_name
Am J Hum Genetjournal_title
American journal of human geneticsauthors
White KE,Cabral JM,Davis SI,Fishburn T,Evans WE,Ichikawa S,Fields J,Yu X,Shaw NJ,McLellan NJ,McKeown C,Fitzpatrick D,Yu K,Ornitz DM,Econs MJdoi
10.1086/427956subject
Has Abstractpub_date
2005-02-01 00:00:00pages
361-7issue
2eissn
0002-9297issn
1537-6605pii
S0002-9297(07)62588-9journal_volume
76pub_type
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