Potential Effects of Alendronate on Fibroblast Growth Factor 23 Levels and Effective Control of Hypercalciuria in an Adult with Jansen's Metaphyseal Chondrodysplasia
Author(s) -
Luiz F. Onuchic,
Bruno FerrazdeSouza,
Berenice B. Mendonça,
Pedro Henrique Silveira Corrêa,
Regina Matsunaga Martin
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.2011-3082
Subject(s) - hypercalciuria , medicine , fibroblast growth factor 23 , endocrinology , gastroenterology , calcium , parathyroid hormone
Jansen's metaphyseal chondrodysplasia (JMC) is a rare autosomal dominant disorder caused by activating mutations in the PTH 1 receptor (PTH1R; PTH/PTHrP receptor), leading to chronic hypercalcemia and hypercalciuria. Hypophosphatemia is also a hallmark of JMC, and recently, increased fibroblast growth factor 23 (FGF23) levels have been reported in this syndrome. Hypercalcemia has been associated with increased cardiovascular risk; however, cardiovascular disease has not been extensively investigated in JMC patients.
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