In addition to disease vulnerability, SNPs of oxytocin receptor genes have been reported to be associated with clinical symptomatology in schizophrenia, including rs237885 [106] and rs237887 [106] with overall symptoms rs237902 [109] with negative symptoms, and rs53576 [109] and rs2254298 [111] with general psychopathology of schizophrenia. Here, OXTR is linked to schizophrenia.