GRM3 and schizophrenia: Among the 9 million expressed quantitative trait loci (eQTLs) identified in the DG-GCL, expression of 15 transcriptional signatures associated with schizophrenia risk loci were identified, including PSD3, MARS, NLGN4X, GRM3, SEMA6D, MMP16, THEMIS, SATB2, CACNA1C, KCTD18, PRKD1, HDAC2-AS2.