There are also agonists or activators for products of six DEGs that are down-regulated in ASD (Lrrk2), schizophrenia (Chrm4, Prkca), schizophrenia and BP (Klf2) or schizophrenia, BP and MDD (Nr4a1 and Nr4a3; Table 3). Here, PRKCA is linked to major depressive disorder.