Molecular Mechanisms in the Regulation of Renal Proximal Tubular Na/Phosphate Cotransport
Heini Murer, Marius Lötscher, Brigitte Kaissling, J. Biber
Abstract
Heini Murer, Marius Lötscher, Brigitte Kaissling, J. Biber
Abstract
Renal proximal tubular Na/phosphate cotransport is the key target in the control of renal phosphate handling. Using molecular tools for the type II Na/phosphate cotransporter, it could be documented that altered brush border membrane phosphate transport reflects a state of altered brush border expression of the specific transporter molecule. This alteration is either the consequence of specific membrane insertion/retrieval processes and/or reflects states of altered synthesisdegradation of the transporter.
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Renal proximal tubular Na/phosphate cotransport is the key target in the control of renal phosphate handling. Using molecular tools for the type II Na/phosphate cotransporter, it could be documented that altered brush border membrane phosphate transport reflects a state of altered brush border expression of the specific transporter molecule. This alteration is either the consequence of specific membrane insertion/retrieval processes and/or reflects states of altered synthesisdegradation of the transporter.
Key concepts: Cotransporter, Brush border, Transporter, Phosphate, Symporter, Chemistry, Kidney, Apical membrane