Immunometabolic Alterations in Post-Traumatic Stress Disorder
Brasanac, J.; El-Ahmad, L.; Molleru, E.; Gamradt, S.; Gruenberg, L.; Shyshko, D.; Stiglbauer, V.; Zimbalski, K.; Schoofs, N.; Priebe, K.; Wulfing, F.; Guendelman, S.; Maslahati, T.; Koglin, S.; Otte, C.; Dziobek, I.; Roepke, S.; Gold, S.
Show abstract
Post-traumatic stress disorder (PTSD) has been linked to various alterations within the immune system, yet the metabolic programming of immune cells remains unexplored. In the current cross-sectional study, we interrogated immunometabolic function by applying cell-specific metabolic flow cytometry, serum biomarker profiling, and targeted gene expression analysis in peripheral blood mononuclear cells from patients with PTSD (N=34) compared with healthy controls (N=32). PTSD was associated with higher glycolysis- and oxidative pentose phosphate pathway-related markers across adaptive and innate immune cell subsets, as well as elevated circulating interleukin-6. Expression of inflammatory- and stress-related genes was largely comparable between groups. Together, these data provide preliminary evidence for immunometabolic alterations in PTSD at both cellular and systemic levels. These results could contribute to understanding potential pathophysiological mechanisms and support further investigation of immunometabolism in PTSD.
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