Th1/Th2 balance Objective Results References
Th1 bias Studymechanism of stress with cognitive deficit Th1-type cytokine correlates to a better performance Palumboa et al. [9]
Th1 bias Study association of Glatiramerof adult neurogenesis Glatiramer induce Th1bias
following increasing neurogenesis
Palumboa et al., He et al. [9,13]
Th1 bias Study association of exercise of neurogenesis Moderate exercise producesTh1-like cytokine Baum et al. [11]
Th1 bias Study association of A(H1N1) Vaccination of neurogenesis A(H1N1) Vaccination causes Th1-like immune response Xia et al. [10]
Th1 bias Adaptive immune responseincreases hippocampalproliferation A rheumatoid arthritismodel,
Th1-dependent local inflammation
Wolf et al. [5]
Th2 bias Study the effect of zinc on Th1/Th2 ratio in elderly individuals Decrease of Th1/Th2 ratio with aging Kahmann et al. [24]
Th2 bias Altered cytokine production in the elderly Decrease of Th1/Th2 ratio with aging Rink et al. [22]
Th2 bias Shift toward destructive Th2 inflammation in brain T helper type 2 (Th2) in choroidplexus inflammation with aging Baruch et al. [36]
Th2 bias Th2 bias at the maternal/fetal interface in pregnancy Decrease of neurogenesis in pregnancy related in Th2 bias Piao et al. [15]
Rolls et al. [14]
Table 1: Association of adult hippocampal neurogenesis or cognitive function with Th1/Th2 balance.