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 (http://rgd.mcw.edu/contact/index.shtml).
Prostaglandin D2 signaling exerts important functions in the central nervous system (CNS) that among others, include the regulation of sleep and the perception of pain. The two D2 receptors are G-protein coupled receptors (GPCR).