Figure 4From: Acetylcholine content and viability of cholinergic neurons are influenced by the activity of protein histidine phosphataseAcetylcholine content and PHP downregulation. SN56 cells were transfected with siRNA. After 48 h of siRNA treatment cells were harvested for ACh measurement. Values are given as means ± standard deviation of 4 experiments. ***p < 0.001 compared to neg. control (ANOVA followed by Scheffé-test)Back to article page