TRANK1 and schizophrenia: In a recent study, we identified nine novel autoantibodies (against DPYD, MAD1L1, ZNF804A, DRD2, TRANK1, VRK2, TCF4, TSNARE1, ERCC4 and MMP16) that were strongly associated with schizophrenia, irrespective of medication prescribed to patients with the disease 16.