Article ; Online: Hereditary hypophosphatemic rickets with hypercalciuria and nephrolithiasis-identification of a novel SLC34A3/NaPi-IIc mutation.
American journal of medical genetics. Part A
2011 Volume 155A, Issue 3, Page(s) 626–633
Abstract: ... 4225_50del) and a novel splice mutation (g.1226G>A) in SLC34A3, the gene encoding the renal sodium ... Hereditary hypophosphatemic rickets with hypercalciuria (HHRH) is characterized by rickets ... a boy with HHRH, nephrolithiasis, and compound heterozygosity for one previously described mutation (g ...
Abstract | Hereditary hypophosphatemic rickets with hypercalciuria (HHRH) is characterized by rickets, hyperphosphaturia, hypophosphatemia, elevated 1,25-dihydroxyvitamin-D, increased gastrointestinal calcium absorption and hypercalciuria. Serum calcium, 25-hydroxyvitamin-D and PTH levels are normal. Here we describe a boy with HHRH, nephrolithiasis, and compound heterozygosity for one previously described mutation (g.4225_50del) and a novel splice mutation (g.1226G>A) in SLC34A3, the gene encoding the renal sodium-phosphate co-transporter NaPi-IIc. The patient's mother and grandmother are carriers of g.4225_50del, and both have a history of nephrolithiasis associated with hypercalciuria and elevated 1,25-dihydroxyvitamin-D. His three siblings (2-6 years old), who are also carriers of g.4225_50del, have hypercalciuria but so far their renal ultrasounds are normal. Thus, SLC34A3/NaPi-IIc mutations appear to be associated with variable phenotypic changes at presentation, which can include recurrent nephrolithiasis. |
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MeSH term(s) | Base Sequence ; Child, Preschool ; Familial Hypophosphatemic Rickets/complications ; Familial Hypophosphatemic Rickets/genetics ; Female ; Humans ; Hypercalciuria/complications ; Hypercalciuria/genetics ; Infant ; Infant, Newborn ; Male ; Molecular Sequence Data ; Mutation/genetics ; Nephrolithiasis/complications ; Nephrolithiasis/genetics ; Pedigree ; Polymorphism, Single Nucleotide/genetics ; Pregnancy ; RNA, Messenger/genetics ; RNA, Messenger/metabolism ; Restriction Mapping ; Reverse Transcriptase Polymerase Chain Reaction ; Sodium-Phosphate Cotransporter Proteins, Type IIc/genetics | |||||
Chemical Substances | RNA, Messenger ; SLC34A3 protein, human ; Sodium-Phosphate Cotransporter Proteins, Type IIc | |||||
Language | English | |||||
Publishing date | 2011-02-22 | |||||
Publishing country | United States | |||||
Document type | Case Reports ; Journal Article | |||||
ZDB-ID | 2108614-X | |||||
ISSN | 1552-4833 ; 0148-7299 ; 1552-4825 | |||||
ISSN (online) | 1552-4833 | |||||
ISSN | 0148-7299 ; 1552-4825 | |||||
DOI | 10.1002/ajmg.a.33832 | |||||
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Database | MEDical Literature Analysis and Retrieval System OnLINE |
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