(a)
(b)
(c)
Figure 5: Changes of T-tau, TNF-α, and IL-1β in CSF of AD patients determined by ELISA assay. (a) T-tau. (b) TNF-α. (c) IL-1β. T-tau, TNF-α, and IL-1β concentrations had attenuated during 48 weeks compared with control group after drug treatments (). No statistical difference between DON treatment group and CH treatment group ().