A total of 203 genes were differentially expressed in military personnel with PTSD.
Findings were independent of depression severity, history of TBI, and meditation use.
IPA identified dysregulated innate immune, glucocorticoid receptor, and NF-κB pathways.
The PTSD group showed upregulation in pro-inflammatory cytokine genes.
Findings suggest that inflammation may be a significant factor in PTSD pathogenesis.