Energy sensor as a new regulator of FGF23 synthesis

Kidney International
Hirotaka Komaba

Abstract

Phosphate plays an important role in biological energy cycle, but the interaction of cellular energy metabolism with fibroblast growth factor 23 production has been less well characterized. Glosse and colleagues now demonstrate that AMP-activated protein kinase, a cellular energy sensor, regulates fibroblast growth factor 23 production. Interestingly, AMP-activated protein kinase-deficient mice show high fibroblast growth factor 23 levels, normal phosphate levels, and cardiac hypertrophy, which resemble those seen in patients with moderate chronic kidney disease.

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