Neuromedin U is an agonist at both the NMU1 and NMU2 subtypes, while neuromedin S is selective for NMU2, and is a more potent agonist at this subtype than neuromedin U.[2][3] Several other peptide and non-peptide ligands are also available for the NMU receptors.
^Kajino M, Hinuma S, Tarui N, Yamashita T, Nakayama Y. Receptor regulators. European Patent EP 1559428 A1. Published 03.08.2005
^Liu JJ, Payza K, Huang J, Liu R, Chen T, Coupal M, Laird JM, Cao CQ, Butterworth J, Lapointe S, Bayrakdarian M, Trivedi S, Bostwick JR (July 2009). "Discovery and pharmacological characterization of a small-molecule antagonist at neuromedin U receptor NMUR2". The Journal of Pharmacology and Experimental Therapeutics. 330 (1): 268–75. doi:10.1124/jpet.109.152967. PMID19369576. S2CID7366636.
"Neuromedin U Receptors". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology. Archived from the original on 2016-03-03. Retrieved 2007-10-25.