VIPR2 and schizophrenia: Among the most highly penetrant genetic risk factors for neuropsychiatric disorders, clinical studies have shown that microduplications at 7q36.3, containing VIPR2, confer significant risk for schizophrenia (Levinson et al., 2011; Vacic et al., 2011; Yuan et al., 2014; Li et al., 2016; Marshall et al., 2017) and ASD (Vacic et al., 2011; Firouzabadi et al., 2017).