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).
An epidermal growth factor/neuregulin signaling pathway that deviates from what its normal course should be. Deregulation of the pathway, mostly as upregulation due to the increased expression or amplification of ligands and/or receptors, or mutations leading to such increases, has been linked to numerous forms of cancer, such as pancreatic, lung, endometrial and breast.