Thirteen genes (C4A, C4B, CACNA1C, CYP2D6, DRD2, GABBR1, GRIN2A, ITIH3, KCTD13, MICB, NOTCH4, SRR, and TNF) had been reported related to schizophrenia. The gene discussed is ITIH3; the disease is schizophrenia.