AKT1 and myalgic encephalomeyelitis/chronic fatigue syndrome: In the hippocampus, VEGFA expression was increased in the CFS + Rg1 group compared to the Control group (p = 0.043), while the CFS + Rg1 showed increased expressions of AKT1 and VEGFA compared to CFS (p = 0.001, p = 0.015).