A Functional Allelic Variant of theFGF23Gene Is Associated with Renal Phosphate Leak in Calcium Nephrolithiasis
Author(s) -
Domenico Rendina,
Teresa Esposito,
Giuseppe Mossetti,
Gianpaolo De Filippo,
Fernando Gianfrancesco,
Anna Perfetti,
Sara Magliocca,
Pietro Formisano,
Dominique Prié,
Pasquale Strazzullo
Publication year - 2012
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.206
H-Index - 353
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2011-1528
Subject(s) - hypophosphatemia , fibroblast growth factor 23 , endocrinology , medicine , renal function , phosphate , parathyroid hormone , calcium , biology , biochemistry
A significant percentage of patients with calcium nephrolithiasis and normal parathyroid function have renal phosphate leak. This disorder is characterized by idiopathic hypophosphatemia and reduced renal phosphate threshold normalized for the glomerular filtration rate (TmPi/GFR). The majority of these patients harbor high or inappropriately normal circulating levels of fibroblast growth factor 23 (FGF23), a hormone regulating phosphate homeostasis.
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