The non-peptide NPS receptor antagonist SHA-68 blocks the effects of NPS in animals and is anxiogenic.[15] Several peptide derived NPS agonists and antagonists have also been developed.[16][17][18][19][20]
^Xu YL, Gall CM, Jackson VR, Civelli O, Reinscheid RK (Jan 2007). "Distribution of neuropeptide S receptor mRNA and neurochemical characteristics of neuropeptide S-expressing neurons in the rat brain". The Journal of Comparative Neurology. 500 (1): 84–102. doi:10.1002/cne.21159. PMID17099900.
^Reinscheid RK, Xu YL (Dec 2005). "Neuropeptide S and its receptor: a newly deorphanized G protein-coupled receptor system". The Neuroscientist. 11 (6): 532–8. doi:10.1177/1073858405276405. PMID16282594.
^Reinscheid RK (2008). "Neuropeptide S: anatomy, pharmacology, genetics and physiological functions". Results and Problems in Cell Differentiation. 46: 145–58. doi:10.1007/400_2007_051. PMID18204825.
^Xu YL, Reinscheid RK, Huitron-Resendiz S, Clark SD, Wang Z, Lin SH, Brucher FA, Zeng J, Ly NK, Henriksen SJ, de Lecea L, Civelli O (Aug 2004). "Neuropeptide S: a neuropeptide promoting arousal and anxiolytic-like effects". Neuron. 43 (4): 487–97. doi:10.1016/j.neuron.2004.08.005. PMID15312648.
^Vitale G, Filaferro M, Ruggieri V, Pennella S, Frigeri C, Rizzi A, Guerrini R, Calò G (Dec 2008). "Anxiolytic-like effect of neuropeptide S in the rat defensive burying". Peptides. 29 (12): 2286–91. doi:10.1016/j.peptides.2008.08.014. PMID18793688.
^Roth AL, Marzola E, Rizzi A, Arduin M, Trapella C, Corti C, Vergura R, Martinelli P, Salvadori S, Regoli D, Corsi M, Cavanni P, Caló G, Guerrini R (Jul 2006). "Structure-activity studies on neuropeptide S: identification of the amino acid residues crucial for receptor activation". The Journal of Biological Chemistry. 281 (30): 20809–16. doi:10.1074/jbc.M601846200. PMID16720571.
^Camarda V, Trapella C, Calo G, Guerrini R, Rizzi A, Ruzza C, Fiorini S, Marzola E, Reinscheid RK, Regoli D, Salvadori S (Feb 2008). "Synthesis and biological activity of human neuropeptide S analogues modified in position 2". Journal of Medicinal Chemistry. 51 (3): 655–8. doi:10.1021/jm701204n. PMID18181564.
^Camarda V, Trapella C, Calo' G, Guerrini R, Rizzi A, Ruzza C, Fiorini S, Marzola E, Reinscheid RK, Regoli D, Salvadori S (Oct 2008). "Structure-activity study at positions 3 and 4 of human neuropeptide S". Bioorganic & Medicinal Chemistry. 16 (19): 8841–5. doi:10.1016/j.bmc.2008.08.073. PMID18793857.