It is important to understand that oxytocin has a transdiagnostic role in psychiatric diseases often studied with autism, depression, and personality disorder; therefore, it is important to find out what are the core features that it impacts, and how it forms overall pathology through interaction with other neuropeptides, hormones, and neural connections along with gender differences concerning hormones and neuropeptides [21,22]. The gene discussed is OXT; the disease is depressive symptom measurement.