Renal physiology of the extracellular calcium-sensing receptor.

DT Ward, D Riccardi

Research output: Contribution to journalReview articlepeer-review


The kidney is a fundamental component of the Ca2+ homeostatic system and its ability to sense extracellular Ca2+ ([Ca2+]o) levels in the urinary filtrate and the interstitial fluid is an important ionic feedback mechanism in achieving normocalcaemia. The protein responsible for the measurement of [Ca2+]o is the extracellular Ca2+-sensing receptor (CaR), which is expressed in multiple sites along the nephron. Its cellular localization and apparent function(s) appear to depend upon the region of the nephron in which it is expressed. The renal expression of CaR will be detailed in this review and its role in integrating [Ca2+]o with the calciotropic signals responsible for Ca2+ homeostasis will be discussed.
Original languageEnglish
Pages (from-to)169–176
Number of pages8
JournalPflügers Archiv European Journal of Physiology
Issue number2
Publication statusPublished - Nov 2002


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