SDCCAG8 and schizophrenia: Some of these genes, including MORF4L1, PSMA4, ARHGEF28, TMEM229B, NXPH1, CAMK1D, and SDCCAG8, have been reported to be associated with schizophrenia in previous studies (GWAS catalog, https://www.ebi.ac.uk/gwas/home/).