P626. Epigenome-Wide Meta-Analysis of >2100 Military and Civilian Participants Reveals New DNA Methylation Patterns Associated With PTSD

Epigenetic factors, including DNA methylation (DNAm), participate in adaptation to traumatic stress, and may help to distinguish between individuals with and without PTSD. Here, we present the results of the largest epigenome-wide association study (EWAS) of PTSD to date.