Constitutive Activation of the Cyclic Adenosine 3′,5′-Monophosphate Signaling Pathway by Parathyroid Hormone (PTH)/PTH-Related Peptide Receptors Mutated at the Two Loci for Jansen’s Metaphyseal Chondrodysplasia

Abstract excerpt

Two different activating PTH/PTH-related peptide (PTHrP) receptor mutations, H223R and T410P, were recently identified as the most likely cause of Jansen's metaphyseal chondrodysplasia. To assess the functional importance of either amino acid position in the human PTH/PTHrP receptor, H223 and T410 were individually replaced by all other amino acids. At position 223, only arginine and lysine led to...

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