nominally significantP <0.05
Pathways were filtered to those containing between 10 and 2000 genes, and a list of nominally significant pathways ( P <0.05) was identified as described previously. 41 Replication analyses in an independent prefrontal cortex sample Post-mortem prefrontal cortical tissue samples were obtained from the National Institute of Child Health and Human Development Brain and Tissue Bank for Developmental Disorders at the University of Maryland as described in detail elsewhere. 18 These brain samples include suicide cases whose psychiatric diagnoses are unclear.