Fibroblast growth factor 23 leads to endolysosomal routing of the renal phosphate cotransporters NaPi-IIa and NaPi-IIc in vivo

Author:

Küng Catharina J.1,Haykir Betül1,Schnitzbauer Udo1,Egli-Spichtig Daniela1,Hernando Nati1,Wagner Carsten A.1ORCID

Affiliation:

1. Institute of Physiology, University of Zurich and National Center of Competence in Research Kidney.CH, Zurich, Switzerland

Abstract

The hormone fibroblast growth factor 23 (FGF23) controls phosphate homeostasis by regulating renal phosphate excretion. FGF23 acts on several phosphate transporters in the kidney. Here, we define the time course of this action and demonstrate how phosphate transporters NaPi-IIa and NaPi-IIc are degraded.

Funder

Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

Publisher

American Physiological Society

Subject

Physiology

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