In light of this gap in knowledge, we provide for the first time a comprehensive representation of CpG and CpH methylation status and mRNA expression levels of DAO, G72, SR and DDO genes in three different post-mortem brain areas of patients with schizophrenia and non-psychiatric controls from two different brain banks by a novel, ultradeep approach48–50,54,55. The gene discussed is DAO; the disease is schizophrenia.