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Fibroblast growth factor 23 and Klotho: physiology and pathophysiology of an endocrine network of mineral metabolism.


ABSTRACT: The metabolically active and perpetually remodeling calcium phosphate-based endoskeleton in terrestrial vertebrates sets the demands on whole-organism calcium and phosphate homeostasis that involves multiple organs in terms of mineral flux and endocrine cross talk. The fibroblast growth factor (FGF)-Klotho endocrine networks epitomize the complexity of systems biology, and specifically, the FGF23-?Klotho axis highlights the concept of the skeleton holding the master switch of homeostasis rather than a passive target organ as hitherto conceived. Other than serving as a coreceptor for FGF23, ?Klotho circulates as an endocrine substance with a multitude of effects. This review covers recent data on the physiological regulation and function of the complex FGF23-?Klotho network. Chronic kidney disease is a common pathophysiological state in which FGF23-?Klotho, a multiorgan endocrine network, is deranged in a self-amplifying vortex resulting in organ dysfunction of the utmost severity that contributes to its morbidity and mortality.

SUBMITTER: Hu MC 

PROVIDER: S-EPMC3770142 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Fibroblast growth factor 23 and Klotho: physiology and pathophysiology of an endocrine network of mineral metabolism.

Hu Ming Chang MC   Shiizaki Kazuhiro K   Kuro-o Makoto M   Moe Orson W OW  

Annual review of physiology 20130101


The metabolically active and perpetually remodeling calcium phosphate-based endoskeleton in terrestrial vertebrates sets the demands on whole-organism calcium and phosphate homeostasis that involves multiple organs in terms of mineral flux and endocrine cross talk. The fibroblast growth factor (FGF)-Klotho endocrine networks epitomize the complexity of systems biology, and specifically, the FGF23-αKlotho axis highlights the concept of the skeleton holding the master switch of homeostasis rather  ...[more]

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