This study includes data from the dorsolateral prefrontal cortex from the NIMH HBCC brain bank. Tissue for the study was dissected at the NIMH HBCC and shipped to the Icahn School of Medicine at Mount Sinai (ISMMS) for nucleotide isolation and data generation in one facility in order to reduce site-specific sources of technical variation. Tissue pH, RNA integrity number (RIN), and postmortem interval (PMI) were ascertained.