Mutations of the CYP24A1 gene, encoding for the enzyme 25(OH)D-24-hydroxylase, can cause hypercalcemia, hypercalciuria, nephrolithiasis and nephrocalcinosis. We report the case of a 22-year-old male patient with recurrent nephrolithiasis, nephrocalcinosis, hypercalcemia with low parathyroid hormone levels, hypercalciuria and low bone mass. Gene sequencing showed that the patient had compound heterozygous mutations including a novel genotype of the CYP24A1 gene. Genetic CYP24A1 testing and biochemical analyses were offered to other family members; the father was heterozygous for the same novel genotype and was also affected with recurrent nephrolithiasis.

A novel CYP24A1 genotype associated to a clinical picture of hypercalcemia, nephrolithiasis and low bone mass (vol 45, pg 291, 2016)

Ferraro, PM;Gambaro, G
2017-01-01

Abstract

Mutations of the CYP24A1 gene, encoding for the enzyme 25(OH)D-24-hydroxylase, can cause hypercalcemia, hypercalciuria, nephrolithiasis and nephrocalcinosis. We report the case of a 22-year-old male patient with recurrent nephrolithiasis, nephrocalcinosis, hypercalcemia with low parathyroid hormone levels, hypercalciuria and low bone mass. Gene sequencing showed that the patient had compound heterozygous mutations including a novel genotype of the CYP24A1 gene. Genetic CYP24A1 testing and biochemical analyses were offered to other family members; the father was heterozygous for the same novel genotype and was also affected with recurrent nephrolithiasis.
2017
Genetics; Vitamin D; Hypercalciuria; Osteoporosis; Urolithiasis
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11562/998776
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