DBH and thanatophoric dysplasia: In this current study, we discussed whether the two vitiations, rs1800872 and rs72393728 on IL10 and DBH genes and their interaction contributed to the susceptibility and the development of TD and the schizophrenic patients’ psychopathology measured by the Positive and Negative Syndrome Scale (PANSS) in a group of northern Chinese Han schizophrenic patients.