NR3C1 and post-traumatic stress disorder: In the PTSD group, the expression of GR was upregulated in the hippocampus (2.02 ± 0.30), amygdala (2.20 ± 0.35), and PFC (2.11 ± 0.26) compared with the control and Sevo groups (p < 0.01 vs Ctrl and Sevo).