There are five known mammalian neuropeptide Y receptors designated Y1 through Y5.[8] Four neuropeptide Y receptors each encoded by a different gene have been identified in humans, all of which may represent therapeutic targets for obesity and other disorders.[9][10][11]
^Lindner D, Stichel J, Beck-Sickinger AG (September 2008). "Molecular recognition of the NPY hormone family by their receptors". Nutrition (Burbank, Los Angeles County, Calif.). 24 (9): 907–17. doi:10.1016/j.nut.2008.06.025. PMID18725086.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^Kamiji MM, Inui A (October 2007). "Neuropeptide y receptor selective ligands in the treatment of obesity". Endocrine Reviews. 28 (6): 664–84. doi:10.1210/er.2007-0003. PMID17785427.
"Neuropeptide Y Receptors". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology. {{cite web}}: Cite has empty unknown parameter: |coauthors= (help)