Parathyroid hormone

Parathyroid hormone

Parathyroid hormone , parathormone or parathyrin, is secreted by the chief cells of the parathyroid glands as a polypeptide containing 84 amino acids...

 (PTH) is a polypeptidic hormone that elevates calcium level by dissolving the salts in bone and preventing their renal excretion. The 'parathyroid hormone-related protein

Parathyroid hormone-related protein

Parathyroid hormone-related protein is a protein member of the parathyroid hormone family. It is occasionally secreted by cancer cells . However, it also has normal functions.- Function :PTHrP acts as an endocrine, autocrine, paracrine, and intracrine hormone...

' (PTH-rP) is structurally related to PTH and seems to play a physiological role in lactation, possibly as a hormone for the mobilization and/or transfer of calcium to the milk. PTH and PTH-rP bind to the same G-protein coupled receptor.

Subfamilies

• Parathyroid hormone subtype 
• Parathyroid hormone-related protein
  Parathyroid hormone-related protein
  Parathyroid hormone-related protein is a protein member of the parathyroid hormone family. It is occasionally secreted by cancer cells . However, it also has normal functions.- Function :PTHrP acts as an endocrine, autocrine, paracrine, and intracrine hormone...