HIVEP2 and schizophrenia: Moreover, the brains of Shn-2 KO mice have numerous schizophrenia-related phenotypes, such as transcriptome/proteome changes similar to those of postmortem patients with schizophrenia, decreased PV and GAD67 levels, increased theta and decreased gamma power on electroencephalograms, and a thinner cortex[11,41-44].