The Pathway Ontology (PW), is currently being developed at the Rat Genome Database. For more information about this vocabulary, please see Petri et al. The rat genome database pathway portal. Database (Oxford). 2011 Apr 8;2011:bar010. Print 2011 or contact us (https://rgd.mcw.edu/rgdweb/contact/contactus.html).
Fibroblast growth factor 23 signaling, a member of the endocrine subfamily of fibroblast growth factor family plays important roles in phosphate homeostasis. It is also important in vitamin D metabolism. The pathway is also referred to as the FGF23-Klotho axis, Klotho representing the obligatory co-receptor family for this subfamily with low affinity for the FGF receptors.