A novel mutation in FGFR-3 disrupts a putative N-glycosylation site and results in hypochondroplasia
2000
Winterpacht, Andreas, Katja Hilbert, Christiane Stelzer, Thorsten Schweikardt, Heinz Decker, Hugo Segerer, Jurgen Spranger, and Bernhard Zabel. A novel mutation in FGFR-3 disrupts a putative N-glycosylation site and results in hypochondroplasia. Physiol. Genomics 2: 9–12, 2000.—Fibroblast growth factor receptor 3 (FGFR3) is a glycoprotein that belongs to the family of tyrosine kinase receptors. Specific mutations in the FGFR3 gene are associated with autosomal dominant human skeletal disorders such as hypochondroplasia, achondroplasia, and thanatophoric dysplasia. Hypochondroplasia (HCH), the mildest form of this group of short-limbed dwarfism disorders, results in ∼60% of cases from a mutation in the intracellular FGFR3-tyrosine kinase domain. The remaining cases may either be caused by defects in other FGFR gene regions or other yet unidentified genes. We describe a novel HCH mutation, the first found outside the common mutation hot spot of this condition. This point mutation, an N328I exchange in the e...
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