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Biber, J; Gisler, S M; Hernando, N; Wagner, C A; Murer, H (2004). PDZ interactions and proximal tubular phosphate reabsorption. American Journal of Physiology: Renal Physiology, 287(5):F871-F875.

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In adults, the extent of renal reabsorption of P(i) and consequently the extent of urinary excretion of phosphate are to a large extent determined by the abundance of the Na-P(i) cotransporter NaPi-IIa (SLC34A1). Localization of this cotransporter is restricted to the apical membrane of proximal tubular cells, and its abundance is controlled by a number of factors and pathophysiological conditions. To guarantee a proper apical localization and specific regulated endocytosis of NaPi-IIa, an orchestrated pattern of protein interactions has to be envisaged. Attempts to screen for such interacting proteins resulted in the identification of a PDZ domain containing proteins. The purpose of this review is to discuss the roles of these PDZ proteins in proximal tubular Na-P(i) cotransport.


21 citations in Web of Science®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Physiology
07 Faculty of Science > Institute of Physiology
Dewey Decimal Classification:570 Life sciences; biology
Date:1 November 2004
Deposited On:11 Feb 2008 12:22
Last Modified:05 Apr 2016 12:18
Publisher:American Physiological Society
Publisher DOI:10.1152/ajprenal.00244.2004
PubMed ID:15475541

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