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Lorenz-Depiereux, B. ; Schnabel, D.* ; Tiosano, D.* ; Häusler, G.* ; Strom, T.M.

Loss-of-function ENPP1 mutations cause both generalized arterial calcification of infancy and autosomal-recessive hypophosphatemic rickets.

Am. J. Hum. Genet. 86, 267-272 (2010)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
The analysis of rare genetic disorders affecting phosphate homeostasis led to the identification of several proteins that are essential for the renal regulation of phosphate homeostasis; for example, fibroblast growth factor 23 (FGF23), which inhibits renal phosphate reabsorption and 1,25-dihydroxyvitamin D synthesis. Here, we report presumable loss-of-function mutations in the ENPP1 gene (ectonucleotide pyrophosphatase/phosphodiesterase) in members of four families affected with hypophosphatemic rickets. We provide evidence for the conclusion that ENPP1 is the fourth gene-in addition to PHEX, FGF23, and DMP1-that, if mutated, causes hypophosphatemic rickets resulting from elevated FGF23 levels. Surprisingly, ENPP1 loss-of-function mutations have previously been described in generalized arterial calcification of infancy, suggesting an as yet elusive mechanism that balances arterial calcification with bone mineralization.
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Publication type Article: Journal article
Document type Scientific Article
Keywords FGF23; DMP1
Language
Publication Year 2010
HGF-reported in Year 2010
ISSN (print) / ISBN 0002-9297
e-ISSN 1537-6605
Quellenangaben Volume: 86, Issue: 2, Pages: 267-272 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place New York, NY
Reviewing status Peer reviewed
POF-Topic(s) 30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Research field(s) Genetics and Epidemiology
PSP Element(s) G-500700-001
Scopus ID 76049105171
PubMed ID 20137773
Erfassungsdatum 2010-10-18