Research Article

Comparison of the Effects of Yokukansan and Yokukansankachimpihange on Glutamate Uptake by Cultured Astrocytes and Glutamate-Induced Excitotoxicity in Cultured PC12 Cells

Figure 4

Effects of TBHA and DHK on amelioration of TD-induced impairment of Glu uptake by YKS and YKSCH. Astrocytes were cultured for 5 days in (1) Ctrl, thiamine-containing normal medium, (2) T(−), TD medium; or (3) T(−) medium containing YKS (100 μg/mL) or YKSCH (140 μg/mL). Extracellular Glu concentration was measured 5 h after addition of 100 μM Glu with 300 μM TBHA (a1, a2) or 1 mM DHK (b1, b2). Data are presented as the mean ± SEM (n = 6). †††P < 0.001 vs. Ctrl, P < 0.01, P < 0.001 vs. T(−), and ###P < 0.001 vs. YKS or YKSCH: one-way ANOVA + Dunnett’s test.