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[Cytokines in bone diseases. Genetic defects of PTH/PTHrP receptor in chondrodysplasia].

Clinical calcium 20(10):1481 (2010) PMID 20890029

Parathyroid hormone-related protein (PTHrP) signaling plays important roles in regulating the differentiation of chondrocytes in endochondral bone development. PTHrP signaling functions as an inhibitory effect on chondrocyte hypertrophy which is a terminal stage of differentiation at a growth plate. Mutations of the PTH÷PTHrP receptor have been identified in Jansen metaphyseal chondrodysplasia, Blomstrand's lethal chondrodysplasia, and enchondromatosis. Furthermore, genetic manipulations of the PTHrP and its receptor genes in mice have demonstrated the critical roles of these proteins in regulating both the switch between proliferation and differentiation of chondrocytes.

DOI: CliCa101014811488