Cys-Tyr-Ile-Thr-Asn-Cys-Gly-Leu-Gly-NH2

(Thr4,Gly7)-Oxytocin, an Oxytocin analogue, is a specific OT receptor agonist. (Thr4,Gly7)-Oxytocin also excites subicular neurons via activation of TRPV1 channels, and depression of K+ channels. [1][2].

[1] Lily R Barrett, et al. Oxytocin activation of paraventricular thalamic neurons promotes feeding motivation to attenuate stress-induced hypophagia. Neuropsychopharmacology. 2021 Apr;46(5):1045-1056. DOI:10.1038/s41386-021-00961-3
[2] Binqi Hu, et al. Activation of Oxytocin Receptors Excites Subicular Neurons by Multiple Signaling and Ionic Mechanisms. Cereb Cortex. 2021 Mar 31;31(5):2402-2415. DOI:10.1093/cercor/bhaa363
[3] M R Melis, et al. Oxytocin increases nitric oxide production in the paraventricular nucleus of the hypothalamus of male rats: correlation with penile erection and yawning. Regul Pept. 1997 Mar 26;69(2):105-11. DOI:10.1016/s0167-0115(97)00002-5