" /> Familial Hypocalciuric Hypercalcemia - CISMeF





Preferred Label : Familial Hypocalciuric Hypercalcemia;

NCIt related terms : Familial Benign Hypercalcemia;

NCIt definition : A hereditary condition caused by calcium sensing receptor gene mutations, resulting in calcium-hyposensitivity, and compensatory hypercalcemia and hypocalciuria.;

Alternative definition : NICHD: Familial hypocalciuric hypercalcemia types 1,2, and 3 are a group of autosomal dominant conditions due to loss of function mutation(s) of the CASR, GNA11, and AP2S1 genes, respectively. These genes encode the extracellular calcium-sensing receptor, the guanine nucleotide-binding protein subunit alpha-11, and the AP-2 complex subunit sigma. The condition is characterized by inappropriately low urinary calcium excretion and parathyroid hormone concentration in the presence of mild hypercalcemia.;

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17/06/2025


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