GABRB2 and schizophrenia: Our investigated gene, GABRB2, and its rs1816072 T > C SNP have been found to impact major neurotransmitter transmission in schizophrenia, promoting it to be considered a susceptibility gene in several populations (Tsang et al., 2013, Heidari Nia et al., 2022, Lo et al., 2007b).