No association between the rs10503253 polymorphism in the CSMD1 gene and schizophrenia in a Han Chinese population

Background: Schizophrenia (SCZ) is a complex, heritable, and devastating psychiatric disorder. Recent genome-wide association studies have identified a single-nucleotide polymorphism (SNP; rs10503253) in the CUB and SUSHI multiple domains 1 (CSMD1) gene as a risk factor for SCZ. In this study, we investigated whether the rs10503253 in CSMD1 contributes to the risk of SCZ in a Han Chinese population. Methods: We conducted a case-control study in a population from eastern China, involving 1378 SCZ patients and 1091 unrelated healthy controls, using the ligase detection reaction-polymerase chain reaction method to genotype the rs10503253 polymorphism in the CSMD1 gene. Results: No significant association was found between the SCZ patients and controls for any allele or genotype frequency of the SNP rs10503253 (all P > 0.05). Conclusions: Our findings do not support an association between CSMD1 rs10503253 and SCZ in a Han Chinese population.