Article
The molecular clock mediates leptin-regulated bone formation.
Cell - 9 Sept 2005
Fu Loning, Patel Millan S, Bradley Allan, Wagner Erwin F, Karsenty Gerard
Abstract excerpt
The hormone leptin is a regulator of bone remodeling, a homeostatic function maintaining bone mass constant. Mice lacking molecular-clock components (Per and Cry), or lacking Per genes in osteoblasts, display high bone mass, suggesting that bone remodeling may also be subject to circadian regulation. Moreover, Per-deficient mice experience a paradoxical increase in bone mass following leptin...
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