" /> Pseudopseudohypoparathyroidism - CISMeF





Preferred Label : Pseudopseudohypoparathyroidism;

Symbol : PPHP;

CISMeF acronym : PPHP;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Albright hereditary osteodystrophy without multiple hormone resistance;

Description : Patients with pseudopseudohypoparathyroidism do not show resistance to parathyroid hormone (PTH; 168450) or other hormones, as is the case with PHP1A (103580), but do manifest the constellation of clinical features referred to as Albright hereditary osteodystrophy (AHO), which includes short stature, obesity, round facies, subcutaneous ossifications, brachydactyly, and other skeletal anomalies. Some patients have mental retardation (Kinard et al., 1979; Fitch, 1982; Mantovani and Spada, 2006).;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the guanine nucleotide-binding protein, alpha-stimulating activity polypeptide gene (GNAS, 139320.0002);

Laboratory abnormalities : Reduced erythrocyte Gs activity; Normal urinary cyclic AMP response to PTH administration;

Prefixed ID : #612463;

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03/05/2025


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