There are 8 genes in this region: SYC1, CYP2E1, OR7M1p, OR6L2P, SPRN, MTG1, OR6L1P and PAOX. According to UCSC and SFARI databases, some of the mentioned genes including PAOX, MTG1 and SYCE1 have an expression and function in brain, from which SYCE1 has been also reported as a risk factor for autism (40). Here, SPRN is linked to autism.