Conditions / Genetic

pseudopseudohypoparathyroidism

info ยท Genetic

A pseudohypoparathyroidism characterized by a lack of resistance to parathyroid hormone or other hormones along with the constellation of clinical features referred to as Albright hereditary osteodystrophy and that has_material_basis_in a mutation resulting in

A pseudohypoparathyroidism characterized by a lack of resistance to parathyroid hormone or other hormones along with the constellation of clinical features referred to as Albright hereditary osteodystrophy and that has_material_basis_in a mutation resulting in loss of function of the Gs-alpha isoform of the GNAS gene on the paternal allele. This results in expression of the Gs-alpha protein only from the maternal allele.

Signs and symptoms

  • Delayed eruption of teeth
  • Brachydactyly
  • Short stature
  • Full cheeks
  • Short neck
  • Short metacarpal
  • Depressed nasal bridge
  • Short metatarsal
  • Osteoporosis
  • Cognitive impairment

Also known as: Normocalcemic pseudohypoparathyroidism; PPHP