The series of molecular signals initiated by an extracellular ligand binding to a neuropilin protein on the surface of a target cell, and ending with the regulation of a downstream cellular process, e.g. transcription. [ GOC:BHF http://www.ncbi.nlm.nih.gov/pubmed/12852851 ]
Synonyms: Npn signaling
This is just here as a test because I lose it