Fig. 6. Effect of compounds 1–8 on LPS-induced mRNA expressions of TNF-α, and IL-6 in BV-2 microglial cells. Each bar represents the means ± SD of three independent experiments. Significance: *P < 0.05, **p < 0.01, ***p < 0.001, compared to LPS group; ^###P < 0.001, compared to control group.