A class of G-protein-coupled receptors that react to varying extracellular CALCIUM levels. Calcium-sensing receptors in the PARATHYROID GLANDS play an important role in the maintenance of calcium HOMEOSTASIS by regulating the release of PARATHYROID HORMONE. They differ from INTRACELLULAR CALCIUM-SENSING PROTEINS which sense intracellular calcium levels.
Also Known As:
Receptors, Calcium-Sensing; CASR Protein; Ca-Sensing Receptors; Ca2+-Sensing Receptor; Calcium Receptors; Calcium-Sensing Receptor Protein; Extracellular Calcium-Ion Sensing Receptor; Parathyroid Calcium-Sensing Receptor; Receptor, Ca-Sensing; Receptors, Calcium; Ca Sensing Receptors; Ca-Sensing Receptor; Ca2+ Sensing Receptor; Calcium Sensing Receptor; Calcium Sensing Receptor Protein; Calcium Sensing Receptors; Calcium-Sensing Receptor, Parathyroid; Extracellular Calcium Ion Sensing Receptor; Parathyroid Calcium Sensing Receptor; Receptor Protein, Calcium-Sensing; Receptor, Ca Sensing; Receptor, Ca2+-Sensing; Receptor, Calcium-Sensing; Receptor, Parathyroid Calcium-Sensing; Receptors, Ca-Sensing; Receptors, Calcium Sensing; Calcium-Sensing Receptor