Article
Molecular genetic and biochemical analyses of FGF23 mutations in familial tumoral calcinosis.
American journal of physiology. Endocrinology and metabolism - 1 Oct 2008
Garringer Holly J, Malekpour Mahdi, Esteghamat Fatemehsadat, Mortazavi Seyed M J, Davis Siobhan I, Farrow Emily G, Yu Xijie, Arking Dan E, Dietz Harry C, White Kenneth E
Abstract excerpt
Fibroblast growth factor 23 (FGF23) is a hormone required for normal renal phosphate reabsorption. FGF23 gain-of-function mutations result in autosomal dominant hypophosphatemic rickets (ADHR), and FGF23 loss-of-function mutations cause familial hyperphosphatemic tumoral calcinosis (TC). In this study, we identified a novel recessive FGF23 TC mutation, a lysine (K) substitution for glutamine (Q) (160 C>A) at...
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