In human postmortem brains [Brodmann area (BA) 8, frontal cortex] (1st sample set) (Appendix Table S7), RT–qPCR analyses revealed increased expressions of MPST and CBS in subjects with schizophrenia (Fig 6A and B), with no change in CTH mRNA levels (Fig 6C). The gene discussed is MPST; the disease is schizophrenia.