Variants within genomic regions marked by H3K4me3 (marker of active promoters) from NeuN-positive (neuronal) and NeuN-negative (non-neuronal) cells explained a significant amount of schizophrenia heritability (P = 1.38 × 10−10 and P = 7.97 × 10−10). Here, RBFOX3 is linked to schizophrenia.