We intersected autism-related genes and imprinted genes with brain differentially expressed genes and obtained 13 common genes: GABRA5, GABRG3, NTM, SNRPN, OTX1, FOXG1, TSHZ3, CDH18, GABRB3, GATM, HTR2A, DHCR7 and NLRP2 (Table S6). The gene discussed is HTR2A; the disease is autism.